Special Offers
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6.3 X 25 Hex Head Self Drilling Screw DIN 7504-K A2 Stainless Steel
In stockRRP From £11.21 -
M8 Flat Washer, Form A DIN 125-A A2 Stainless Steel
In stockRRP From £2.69 -
M8 Nylon Insert Nut DIN 985 A2 Stainless Steel
In stockRRP From £3.23 -
M10 Hexagon Full Nut DIN 934 A2 Stainless Steel
In stockRRP From £3.99
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M6 X 20 Hexagon Socket Cap Screw ISO 4762 A4 Stainless Steel
In stockM6 x 20mm socket cap screw in A4 marine grade stainless steel to ISO 4762. Driven with a hex key, the cylindrical head suits machinery, jig frames, and precision assemblies where a spanner has no clearance....RRP From £3.23RRP From £3.23 -
M5 X 25 Hexagon Socket Cap Screw ISO 4762 A4 Stainless Steel
In stockM5 x 25mm socket cap screw in A4 marine grade stainless steel to ISO 4762. Driven with a hex key, the cylindrical head suits machinery, jig frames, and precision assemblies where a spanner has no clearance....RRP From £2.76RRP From £2.76 -
M5 X 20 Hexagon Socket Cap Screw ISO 4762 A4 Stainless Steel
In stockM5 x 20mm socket cap screw in A4 marine grade stainless steel to ISO 4762. Driven with a hex key, the cylindrical head suits machinery, jig frames, and precision assemblies where a spanner has no clearance....RRP From £2.62RRP From £2.62 -
M5 X 16 Hexagon Socket Cap Screw ISO 4762 A4 Stainless Steel
In stockM5 x 16mm socket cap screw in A4 marine grade stainless steel to ISO 4762. Driven with a hex key, the cylindrical head suits machinery, jig frames, and precision assemblies where a spanner has no clearance....RRP From £2.14RRP From £2.14 -
M4 X 20 Hexagon Socket Cap Screw ISO 4762 A4 Stainless Steel
In stockM4 x 20mm socket cap screw in A4 marine grade stainless steel to ISO 4762. Driven with a hex key, the cylindrical head suits machinery, jig frames, and precision assemblies where a spanner has no clearance....RRP From £2.78RRP From £2.78 -
M4 X 16 Hexagon Socket Cap Screw ISO 4762 A4 Stainless Steel
In stockM4 x 16mm socket cap screw in A4 marine grade stainless steel to ISO 4762. Driven with a hex key, the cylindrical head suits machinery, jig frames, and precision assemblies where a spanner has no clearance....RRP From £2.15RRP From £2.15 -
M4 X 12 Hexagon Socket Cap Screw ISO 4762 A4 Stainless Steel
In stockM4 x 12mm socket cap screw in A4 marine grade stainless steel to ISO 4762. Driven with a hex key, the cylindrical head suits machinery, jig frames, and precision assemblies where a spanner has no clearance....RRP From £2.69RRP From £2.69 -
M6 X 20 Hexagon Socket Button Screw ISO 7380-1 A2-70 A2 Stainless Steel
In stockM6 x 20mm button head socket screw in A2 stainless steel to ISO 7380-1. The wide, low-profile dome head distributes load across a larger bearing surface than a cap screw, ideal for furniture, signage, and decorative...RRP From £2.36RRP From £2.36 -
M6 X 16 Hexagon Socket Button Screw ISO 7380-1 A2 Stainless Steel
In stockM6 x 16mm button head socket screw in A2 stainless steel to ISO 7380-1. The wide, low-profile dome head distributes load across a larger bearing surface than a cap screw, ideal for furniture, signage, and decorative...RRP From £2.31RRP From £2.31 -
M5 X 20 Hexagon Socket Button Screw ISO 7380-1 A2-70 A2 Stainless Steel
In stockM5 x 20mm button head socket screw in A2 stainless steel to ISO 7380-1. The wide, low-profile dome head distributes load across a larger bearing surface than a cap screw, ideal for furniture, signage, and decorative...RRP From £2.29RRP From £2.29 -
M8 X 40 Hex Socket Countersunk Screw ISO 10642 A2-70 A2 Stainless Steel
In stockM8 x 40mm countersunk socket screw in A2 stainless steel to ISO 10642. Hex key driven with a flush countersunk head - suited to machinery panels, access covers, and cabinetwork where a clean surface finish is...RRP From £3.23RRP From £3.23 -
M8 X 25 Hex Socket Countersunk Screw ISO 10642 A2 Stainless Steel
In stockM8 x 25mm countersunk socket screw in A2 stainless steel to ISO 10642. Hex key driven with a flush countersunk head - suited to machinery panels, access covers, and cabinetwork where a clean surface finish is...RRP From £2.08RRP From £2.08 -
M6 X 30 Hex Socket Countersunk Screw ISO 10642 A2-70 A2 Stainless Steel
In stockM6 x 30mm countersunk socket screw in A2 stainless steel to ISO 10642. Hex key driven with a flush countersunk head - suited to machinery panels, access covers, and cabinetwork where a clean surface finish is...RRP From £2.48RRP From £2.48 -
M5 X 25 Hex Socket Countersunk Screw ISO 10642 A2-70 A2 Stainless Steel
In stockM5 x 25mm countersunk socket screw in A2 stainless steel to ISO 10642. Hex key driven with a flush countersunk head - suited to machinery panels, access covers, and cabinetwork where a clean surface finish is...RRP From £2.81RRP From £2.81 -
M5 X 16 Hex Socket Countersunk Screw ISO 10642 A2 Stainless Steel
In stockM5 x 16mm countersunk socket screw in A2 stainless steel to ISO 10642. Hex key driven with a flush countersunk head - suited to machinery panels, access covers, and cabinetwork where a clean surface finish is...RRP From £1.73RRP From £1.73 -
M4 X 20 Hex Socket Countersunk Screw ISO 10642 A2 Stainless Steel
In stockM4 x 20mm countersunk socket screw in A2 stainless steel to ISO 10642. Hex key driven with a flush countersunk head - suited to machinery panels, access covers, and cabinetwork where a clean surface finish is...RRP From £2.16RRP From £2.16 -
M8 X 50 Hexagon Socket Cap Screw ISO 4762 A2 Stainless Steel
In stockM8 x 50mm socket cap screw in A2 stainless steel to ISO 4762. Driven with a hex key, the cylindrical head suits machinery, jig frames, and precision assemblies where a spanner has no clearance. A2 (304...RRP From £3.43RRP From £3.43 -
M8 X 40 Hexagon Socket Cap Screw ISO 4762 A2 Stainless Steel
In stockM8 x 40mm socket cap screw in A2 stainless steel to ISO 4762. Driven with a hex key, the cylindrical head suits machinery, jig frames, and precision assemblies where a spanner has no clearance. A2 (304...RRP From £3.25RRP From £3.25 -
M8 X 30 Hexagon Socket Cap Screw ISO 4762 A2 Stainless Steel
In stockM8 x 30mm socket cap screw in A2 stainless steel to ISO 4762. Driven with a hex key, the cylindrical head suits machinery, jig frames, and precision assemblies where a spanner has no clearance. A2 (304...RRP From £2.28RRP From £2.28 -
M8 X 25 Hexagon Socket Cap Screw ISO 4762 A2 Stainless Steel
In stockM8 x 25mm socket cap screw in A2 stainless steel to ISO 4762. Driven with a hex key, the cylindrical head suits machinery, jig frames, and precision assemblies where a spanner has no clearance. A2 (304...RRP From £2.81RRP From £2.81 -
M8 X 20 Hexagon Socket Cap Screw ISO 4762 A2 Stainless Steel
In stockM8 x 20mm socket cap screw in A2 stainless steel to ISO 4762. Driven with a hex key, the cylindrical head suits machinery, jig frames, and precision assemblies where a spanner has no clearance. A2 (304...RRP From £2.17RRP From £2.17 -
M6 X 40 Hexagon Socket Cap Screw ISO 4762 A2 Stainless Steel
In stockM6 x 40mm socket cap screw in A2 stainless steel to ISO 4762. Driven with a hex key, the cylindrical head suits machinery, jig frames, and precision assemblies where a spanner has no clearance. A2 (304...RRP From £2.68RRP From £2.68 -
M6 X 30 Hexagon Socket Cap Screw ISO 4762 A2 Stainless Steel
In stockM6 x 30mm socket cap screw in A2 stainless steel to ISO 4762. Driven with a hex key, the cylindrical head suits machinery, jig frames, and precision assemblies where a spanner has no clearance. A2 (304...RRP From £2.24RRP From £2.24 -
M6 X 25 Hexagon Socket Cap Screw ISO 4762 A2 Stainless Steel
In stockM6 x 25mm socket cap screw in A2 stainless steel to ISO 4762. Driven with a hex key, the cylindrical head suits machinery, jig frames, and precision assemblies where a spanner has no clearance. A2 (304...RRP From £1.91RRP From £1.91 -
M6 X 20 Hexagon Socket Cap Screw ISO 4762 A2 Stainless Steel
In stockM6 x 20mm socket cap screw in A2 stainless steel to ISO 4762. Driven with a hex key, the cylindrical head suits machinery, jig frames, and precision assemblies where a spanner has no clearance. A2 (304...RRP From £1.87RRP From £1.87
Stainless steel socket screws in A2 (304) and A4 (316), from M1.2 to M24 and M30, plus imperial UNC, UNF, BSW and BA sizes. All drive with a hex key (Allen key), and many A4 sizes come in both A4-70 and the stronger A4-80.
- Socket cap screws (ISO 4762) from M1.2 to M24 and M30, and low head cap screws (DIN 7984 and DIN 6912) where headroom is tight.
- Button head screws (ISO 7380-1) with a low dome profile, and flanged button head screws (ISO 7380-2) with a built-in washer face.
- Countersunk socket screws (ISO 10642) that sit flush in a countersunk hole.
- Shoulder screws (ISO 7379) in A2.
Looking for headless screws? See socket set screws, also called grub screws. For tamper-resistant fixings, see security screws.
Choose A4 for coastal, marine and salt-exposed environments.
Frequently asked questions
What socket screws does Simfix stock?
Socket cap screws (ISO 4762) from M1.2 to M24 and M30, low head cap screws (DIN 7984), button head screws (ISO 7380-1) from M2 to M16, flanged button head screws (ISO 7380-2), countersunk socket screws (ISO 10642) from M2 to M24 and shoulder screws (ISO 7379). All take a hex key, and most styles come in both A2 (304) and A4 (316).
Sizes, grades and pack quantities vary by product type. Check the individual product listing for the exact specification and current availability.