{"title":"Countersunk Self-Drilling Screws","description":"\u003cp\u003eCountersunk Self-Drilling Screws in A2 (304) and A4 (316) stainless steel. 112 products, with size and grade filters to narrow the list.\u003c\/p\u003e","products":[{"product_id":"2-9-x-13-six-lobe-csk-self-driller-din-7504-o-a2-stainless-steel","title":"2.9 X 13 Six Lobe Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 2.9 x 13mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506416689527,"sku":"7504OA229013T-D","price":4.97,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506416722295,"sku":"7504OA229013T-T","price":6.89,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OT5550.png?v=1789550530"},{"product_id":"2-9-x-16-six-lobe-csk-self-driller-din-7504-o-a2-stainless-steel","title":"2.9 X 16 Six Lobe Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 2.9 x 16mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506420687223,"sku":"7504OA229016T-D","price":5.03,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506420719991,"sku":"7504OA229016T-T","price":7.35,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OT5550.png?v=1789550530"},{"product_id":"2-9-x-19-six-lobe-csk-self-driller-din-7504-o-a2-stainless-steel","title":"2.9 X 19 Six Lobe Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 2.9 x 19mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506425110903,"sku":"7504OA229019T-D","price":5.1,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506425143671,"sku":"7504OA229019T-T","price":7.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OT5550.png?v=1789550530"},{"product_id":"2-9-x-9-5-six-lobe-csk-self-driller-din-7504-o-a2-stainless-steel","title":"2.9 X 9.5 Six Lobe Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 2.9 x 9.5mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506431533431,"sku":"7504OA229009T-D","price":4.97,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506431566199,"sku":"7504OA229009T-T","price":6.89,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OT5550.png?v=1789550530"},{"product_id":"3-5-x-13-poz-csk-self-driller-din-7504-p-a2-stainless-steel","title":"3.5 X 13 Poz Csk Self Drilling Screw DIN 7504-P A2 Stainless Steel","description":"\u003cp\u003eThis 3.5 x 13mm countersunk self-drilling screw is manufactured to DIN 7504-P in A2 stainless steel (304 grade). DIN 7504-P specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506434318711,"sku":"7504PA235013Z-D","price":7.09,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506434351479,"sku":"7504PA235013Z-T","price":11.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OZ4825_1.png?v=1789550530"},{"product_id":"3-5-x-13-six-lobe-csk-self-driller-din-7504-o-a2-stainless-steel","title":"3.5 X 13 Six Lobe Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 3.5 x 13mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506435236215,"sku":"7504OA235013T-D","price":5.17,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506435268983,"sku":"7504OA235013T-T","price":8.56,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OT5550.png?v=1789550530"},{"product_id":"3-5-x-16-poz-csk-self-driller-din-7504-p-a2-stainless-steel","title":"3.5 X 16 Poz Csk Self Drilling Screw DIN 7504-P A2 Stainless Steel","description":"\u003cp\u003eThis 3.5 x 16mm countersunk self-drilling screw is manufactured to DIN 7504-P in A2 stainless steel (304 grade). DIN 7504-P specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506437759351,"sku":"7504PA235016Z-D","price":7.24,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506437792119,"sku":"7504PA235016Z-T","price":12.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OZ4825_1.png?v=1789550530"},{"product_id":"3-5-x-16-six-lobe-csk-self-driller-din-7504-o-a2-stainless-steel","title":"3.5 X 16 Six Lobe Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 3.5 x 16mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506440151415,"sku":"7504OA235016T-D","price":5.24,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506440184183,"sku":"7504OA235016T-T","price":9.16,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OT5550.png?v=1789550530"},{"product_id":"3-5-x-19-poz-csk-self-driller-din-7504-p-a2-stainless-steel","title":"3.5 X 19 Poz Csk Self Drilling Screw DIN 7504-P A2 Stainless Steel","description":"\u003cp\u003eThis 3.5 x 19mm countersunk self-drilling screw is manufactured to DIN 7504-P in A2 stainless steel (304 grade). DIN 7504-P specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506443854199,"sku":"7504PA235019Z-D","price":4.36,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506443886967,"sku":"7504PA235019Z-T","price":8.22,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OZ4825_1.png?v=1789550530"},{"product_id":"3-5-x-19-six-lobe-csk-self-driller-din-7504-o-a2-stainless-steel","title":"3.5 X 19 Six Lobe Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 3.5 x 19mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506444902775,"sku":"7504OA235019T-D","price":7.37,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506444935543,"sku":"7504OA235019T-T","price":13.96,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OT5550.png?v=1789550530"},{"product_id":"3-5-x-22-poz-csk-self-driller-din-7504-o-a2-stainless-steel","title":"3.5 X 22 Poz Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 3.5 x 22mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506447982967,"sku":"7504OA235022Z-D","price":7.75,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506448015735,"sku":"7504OA235022Z-T","price":17.16,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OZ4825_1.png?v=1789550530"},{"product_id":"3-5-x-22-six-lobe-csk-self-driller-din-7504-o-a2-stainless-steel","title":"3.5 X 22 Six Lobe Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 3.5 x 22mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506448441719,"sku":"7504OA235022T-D","price":5.39,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506448474487,"sku":"7504OA235022T-T","price":10.38,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OT5550.png?v=1789550530"},{"product_id":"3-5-x-25-poz-csk-self-driller-din-7504-p-a2-stainless-steel","title":"3.5 X 25 Poz Csk Self Drilling Screw DIN 7504-P A2 Stainless Steel","description":"\u003cp\u003eThis 3.5 x 25mm countersunk self-drilling screw is manufactured to DIN 7504-P in A2 stainless steel (304 grade). DIN 7504-P specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506449588599,"sku":"7504PA235025Z-D","price":2.84,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506449621367,"sku":"7504PA235025Z-T","price":5.69,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OZ4825_1.png?v=1789550530"},{"product_id":"3-5-x-25-six-lobe-csk-self-driller-din-7504-o-a2-stainless-steel","title":"3.5 X 25 Six Lobe Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 3.5 x 25mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506450702711,"sku":"7504OA235025T-D","price":5.48,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506450735479,"sku":"7504OA235025T-T","price":11.13,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OT5550.png?v=1789550530"},{"product_id":"3-5-x-9-5-poz-csk-self-driller-din-7504-o-a2-stainless-steel","title":"3.5 X 9.5 Poz Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 3.5 x 9.5mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506462499191,"sku":"7504OA235010Z-D","price":7.14,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506462531959,"sku":"7504OA235010Z-T","price":12.04,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OZ4825_1.png?v=1789550530"},{"product_id":"3-5-x-9-5-six-lobe-csk-self-driller-din-7504-o-a2-stainless-steel","title":"3.5 X 9.5 Six Lobe Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 3.5 x 9.5mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506463383927,"sku":"7504OA235009T-D","price":5.08,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506463416695,"sku":"7504OA235009T-T","price":7.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OT5550.png?v=1789550530"},{"product_id":"3-9-x-13-poz-csk-self-driller-din-7504-o-a2-stainless-steel","title":"3.9 X 13 Poz Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 3.9 x 13mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506464989559,"sku":"7504OA239013Z-D","price":7.19,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506465022327,"sku":"7504OA239013Z-T","price":12.47,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OZ4825_1.png?v=1789550530"},{"product_id":"3-9-x-13-six-lobe-csk-self-driller-din-7504-o-a2-stainless-steel","title":"3.9 X 13 Six Lobe Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 3.9 x 13mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506465775991,"sku":"7504OA239013T-D","price":5.23,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506465808759,"sku":"7504OA239013T-T","price":9.01,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OT5550.png?v=1789550530"},{"product_id":"3-9-x-16-poz-csk-self-driller-din-7504-o-a2-stainless-steel","title":"3.9 X 16 Poz Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 3.9 x 16mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506466595191,"sku":"7504OA239016Z-D","price":7.39,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506466627959,"sku":"7504OA239016Z-T","price":14.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OZ4825_1.png?v=1789550530"},{"product_id":"3-9-x-16-six-lobe-csk-self-driller-din-7504-o-a2-stainless-steel","title":"3.9 X 16 Six Lobe Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 3.9 x 16mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506467381623,"sku":"7504OA239016T-D","price":5.33,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506467414391,"sku":"7504OA239016T-T","price":9.92,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OT5550.png?v=1789550530"},{"product_id":"3-9-x-19-six-lobe-csk-self-driller-din-7504-o-a2-stainless-steel","title":"3.9 X 19 Six Lobe Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 3.9 x 19mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506468921719,"sku":"7504OA239019T-D","price":7.47,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506468954487,"sku":"7504OA239019T-T","price":14.82,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OT5550.png?v=1789550530"},{"product_id":"3-9-x-22-six-lobe-csk-self-driller-din-7504-o-a2-stainless-steel","title":"3.9 X 22 Six Lobe Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 3.9 x 22mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506470691191,"sku":"7504OA239022T-D","price":5.53,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506470723959,"sku":"7504OA239022T-T","price":11.59,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OT5550.png?v=1789550530"},{"product_id":"3-9-x-25-poz-csk-self-driller-din-7504-o-a2-stainless-steel","title":"3.9 X 25 Poz Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 3.9 x 25mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506472034679,"sku":"7504OA239025Z-D","price":7.72,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506472067447,"sku":"7504OA239025Z-T","price":16.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OZ4825_1.png?v=1789550530"},{"product_id":"3-9-x-25-six-lobe-csk-self-driller-din-7504-o-a2-stainless-steel","title":"3.9 X 25 Six Lobe Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 3.9 x 25mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506472657271,"sku":"7504OA239025T-D","price":5.64,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506472690039,"sku":"7504OA239025T-T","price":12.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OT5550.png?v=1789550530"},{"product_id":"3-9-x-32-poz-csk-self-driller-din-7504-o-a2-stainless-steel","title":"3.9 X 32 Poz Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 3.9 x 32mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506474262903,"sku":"7504OA239032Z-D","price":4.61,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506474295671,"sku":"7504OA239032Z-T","price":10.64,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OZ4825_1.png?v=1789550530"},{"product_id":"3-9-x-32-six-lobe-csk-self-driller-din-7504-o-a2-stainless-steel","title":"3.9 X 32 Six Lobe Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 3.9 x 32mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506476589431,"sku":"7504A2O39032TX-D","price":8.1,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506476622199,"sku":"7504A2O39032TX-T","price":20.14,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OT5550.png?v=1789550530"},{"product_id":"3-9-x-38-poz-csk-self-driller-din-7504-o-a2-stainless-steel","title":"3.9 X 38 Poz Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 3.9 x 38mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506477670775,"sku":"7504OA239038Z-D","price":4.89,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506477703543,"sku":"7504OA239038Z-T","price":12.92,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OZ4825_1.png?v=1789550530"},{"product_id":"3-9-x-38-six-lobe-csk-self-driller-din-7504-o-a2-stainless-steel","title":"3.9 X 38 Six Lobe Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 3.9 x 38mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506478424439,"sku":"7504OA239038T-D","price":6.14,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506478457207,"sku":"7504OA239038T-T","price":16.59,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OT5550.png?v=1789550530"},{"product_id":"3-9-x-45-poz-csk-self-driller-din-7504-o-a2-stainless-steel","title":"3.9 X 45 Poz Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 3.9 x 45mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506479440247,"sku":"7504OA239045Z-D","price":9.16,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506479473015,"sku":"7504OA239045Z-T","price":29.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OZ4825_1.png?v=1789550530"},{"product_id":"3-9-x-45-six-lobe-csk-self-driller-din-7504-o-a2-stainless-steel","title":"3.9 X 45 Six Lobe Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 3.9 x 45mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506479997303,"sku":"7504OA239045T-D","price":6.35,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506480030071,"sku":"7504OA239045T-T","price":18.41,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OT5550.png?v=1789550530"},{"product_id":"3-9-x-50-poz-csk-self-driller-din-7504-o-a2-stainless-steel","title":"3.9 X 50 Poz Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 3.9 x 50mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506480587127,"sku":"7504OA239050Z-D","price":9.41,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506480619895,"sku":"7504OA239050Z-T","price":31.23,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OZ4825_1.png?v=1789550530"},{"product_id":"3-9-x-50-six-lobe-csk-self-driller-din-7504-o-a2-stainless-steel","title":"3.9 X 50 Six Lobe Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 3.9 x 50mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506480849271,"sku":"7504OA239050T-D","price":6.46,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506480882039,"sku":"7504OA239050T-T","price":19.31,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OT5550.png?v=1789550530"},{"product_id":"4-2-x-13-poz-csk-self-driller-din-7504-p-a2-stainless-steel","title":"4.2 X 13 Poz Csk Self Drilling Screw DIN 7504-P A2 Stainless Steel","description":"\u003cp\u003eThis 4.2 x 13mm countersunk self-drilling screw is manufactured to DIN 7504-P in A2 stainless steel (304 grade). DIN 7504-P specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506483929463,"sku":"7504PA242013Z-D","price":5.42,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506483962231,"sku":"7504PA242013Z-T","price":9.74,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OZ4825_1.png?v=1789550530"},{"product_id":"4-2-x-13-six-lobe-csk-self-driller-din-7504-o-a2-stainless-steel","title":"4.2 X 13 Six Lobe Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 4.2 x 13mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506485567863,"sku":"7504OA242013TX-D","price":5.4,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506485600631,"sku":"7504OA242013TX-T","price":9.58,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OT5550.png?v=1789550530"},{"product_id":"4-2-x-16-poz-csk-self-driller-din-7504-o-a4-stainless-steel","title":"4.2 X 16 Poz Csk Self Drilling Screw DIN 7504-O A4 Stainless Steel","description":"\u003cp\u003eThis 4.2 x 16mm countersunk self-drilling screw is manufactured to DIN 7504-O in A4 stainless steel (316 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506490909047,"sku":"7504OA442016Z-D","price":12.89,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506490941815,"sku":"7504OA442016Z-T","price":32.17,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OZ4825_1.png?v=1789550530"},{"product_id":"4-2-x-16-poz-csk-self-driller-din-7504-p-a2-stainless-steel","title":"4.2 X 16 Poz Csk Self Drilling Screw DIN 7504-P A2 Stainless Steel","description":"\u003cp\u003eThis 4.2 x 16mm countersunk self-drilling screw is manufactured to DIN 7504-P in A2 stainless steel (304 grade). DIN 7504-P specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506491040119,"sku":"7504PA242016Z-D","price":5.54,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506491072887,"sku":"7504PA242016Z-T","price":10.67,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OZ4825_1.png?v=1789550530"},{"product_id":"4-2-x-16-six-lobe-csk-self-driller-din-7504-o-a2-stainless-steel","title":"4.2 X 16 Six Lobe Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 4.2 x 16mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506492481911,"sku":"7504OA242016TX-D","price":4.31,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506492514679,"sku":"7504OA242016TX-T","price":7.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OT5550.png?v=1789550530"},{"product_id":"4-2-x-19-poz-csk-self-driller-din-7504-p-a2-stainless-steel","title":"4.2 X 19 Poz Csk Self Drilling Screw DIN 7504-P A2 Stainless Steel","description":"\u003cp\u003eThis 4.2 x 19mm countersunk self-drilling screw is manufactured to DIN 7504-P in A2 stainless steel (304 grade). DIN 7504-P specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506494841207,"sku":"7504PA242019Z-D","price":4.33,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506494873975,"sku":"7504PA242019Z-T","price":8.87,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OZ4825_1.png?v=1789550530"},{"product_id":"4-2-x-19-six-lobe-csk-self-driller-din-7504-o-a2-stainless-steel","title":"4.2 X 19 Six Lobe Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 4.2 x 19mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506495955319,"sku":"7504OA242019T-D","price":5.61,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506495988087,"sku":"7504OA242019T-T","price":11.3,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OT5550.png?v=1789550530"},{"product_id":"4-2-x-22-poz-csk-self-driller-din-7504-o-a2-stainless-steel","title":"4.2 X 22 Poz Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 4.2 x 22mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506497593719,"sku":"7504OA242022Z-D","price":5.74,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506497626487,"sku":"7504OA242022Z-T","price":12.39,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OZ4825_1.png?v=1789550530"},{"product_id":"4-2-x-22-six-lobe-csk-self-driller-din-7504-o-a2-stainless-steel","title":"4.2 X 22 Six Lobe Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 4.2 x 22mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506498150775,"sku":"7504OA242022T-D","price":5.72,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506498183543,"sku":"7504OA242022T-T","price":12.23,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OT5550.png?v=1789550530"},{"product_id":"4-2-x-25-poz-csk-self-driller-din-7504-p-a2-stainless-steel","title":"4.2 X 25 Poz Csk Self Drilling Screw DIN 7504-P A2 Stainless Steel","description":"\u003cp\u003eThis 4.2 x 25mm countersunk self-drilling screw is manufactured to DIN 7504-P in A2 stainless steel (304 grade). DIN 7504-P specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506499527031,"sku":"7504PA242025Z-D","price":2.97,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506499559799,"sku":"7504PA242025Z-T","price":6.43,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OZ4825_1.png?v=1789550530"},{"product_id":"4-2-x-25-six-lobe-csk-self-driller-din-7504-o-a2-stainless-steel","title":"4.2 X 25 Six Lobe Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 4.2 x 25mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506500510071,"sku":"7504OA242025T-D","price":5.83,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506500542839,"sku":"7504OA242025T-T","price":13.16,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OT5550.png?v=1789550530"},{"product_id":"4-2-x-32-poz-csk-self-driller-din-7504-p-a2-stainless-steel","title":"4.2 X 32 Poz Csk Self Drilling Screw DIN 7504-P A2 Stainless Steel","description":"\u003cp\u003eThis 4.2 x 32mm countersunk self-drilling screw is manufactured to DIN 7504-P in A2 stainless steel (304 grade). DIN 7504-P specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506530001271,"sku":"7504PA242032Z-D","price":3.0,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506530034039,"sku":"7504PA242032Z-T","price":7.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OZ4825_1.png?v=1789550530"},{"product_id":"4-2-x-32-six-lobe-csk-self-driller-din-7504-o-a2-stainless-steel","title":"4.2 X 32 Six Lobe Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 4.2 x 32mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506531082615,"sku":"7504OA242032T-D","price":6.06,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506531115383,"sku":"7504OA242032T-T","price":15.03,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OT5550.png?v=1789550530"},{"product_id":"4-2-x-38-poz-csk-self-driller-din-7504-p-a2-stainless-steel","title":"4.2 X 38 Poz Csk Self Drilling Screw DIN 7504-P A2 Stainless Steel","description":"\u003cp\u003eThis 4.2 x 38mm countersunk self-drilling screw is manufactured to DIN 7504-P in A2 stainless steel (304 grade). DIN 7504-P specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506532786551,"sku":"7504PA242038Z-D","price":3.05,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506532819319,"sku":"7504PA242038Z-T","price":7.96,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OZ4825_1.png?v=1789550530"},{"product_id":"4-2-x-38-six-lobe-csk-self-driller-din-7504-o-a2-stainless-steel","title":"4.2 X 38 Six Lobe Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 4.2 x 38mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506533802359,"sku":"7504OA242038TX-D","price":7.39,"currency_code":"GBP","in_stock":false},{"title":"Pack of 200","offer_id":57506533835127,"sku":"7504OA242038TX-T","price":26.1,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OT5550.png?v=1789550530"},{"product_id":"4-2-x-45-poz-csk-self-driller-din-7504-o-a2-stainless-steel","title":"4.2 X 45 Poz Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 4.2 x 45mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506535178615,"sku":"7504OA242045Z-D","price":7.18,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506535211383,"sku":"7504OA242045Z-T","price":24.38,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OZ4825_1.png?v=1789550530"},{"product_id":"4-2-x-45-six-lobe-csk-self-driller-din-7504-o-a2-stainless-steel","title":"4.2 X 45 Six Lobe Csk Self Drilling Screw DIN 7504-O A2 Stainless Steel","description":"\u003cp\u003eThis 4.2 x 45mm countersunk self-drilling screw is manufactured to DIN 7504-O in A2 stainless steel (304 grade). DIN 7504-O specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506535866743,"sku":"7504OA242045T-D","price":6.51,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506535899511,"sku":"7504OA242045T-T","price":18.77,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OT5550.png?v=1789550530"},{"product_id":"4-2-x-50-poz-csk-self-driller-din-7504-p-a2-stainless-steel","title":"4.2 X 50 Poz Csk Self Drilling Screw DIN 7504-P A2 Stainless Steel","description":"\u003cp\u003eThis 4.2 x 50mm countersunk self-drilling screw is manufactured to DIN 7504-P in A2 stainless steel (304 grade). DIN 7504-P specifies a countersunk self-drilling screw with a drill point and a six lobe recess, drilling, tapping, and fixing in a single operation. The drill point cuts its own clearance hole before the thread engages, so no pilot hole is needed, and the countersunk head finishes flush.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFixing into steel sheet and light sections without pre-drilling\u003c\/li\u003e\n\u003cli\u003eCladding, roofing, and profiled sheet\u003c\/li\u003e\n\u003cli\u003eDucting and enclosure assembly\u003c\/li\u003e\n\u003cli\u003eSite work where pre-drilling is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in packs of 25 to 200, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.\u003c\/p\u003e","brand":"Simfix","offers":[{"title":"Pack of 25","offer_id":57506537734519,"sku":"7504PA242050Z-D","price":3.92,"currency_code":"GBP","in_stock":true},{"title":"Pack of 200","offer_id":57506537767287,"sku":"7504PA242050Z-T","price":12.09,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4728\/4855\/files\/simfix-2504OZ4825_1.png?v=1789550530"}],"url":"https:\/\/simfix.com\/collections\/countersunk-self-drilling-screws.oembed?page=5","provider":"Simfix","version":"1.0","type":"link"}