Wood Screws

4.0mm x 50mm pozi countersunk wood screw A2 stainless DIN 7997

15 products

Countersunk Pozidriv wood screws to DIN 7997 in A2 (304) and A4 (316) stainless steel - the standard timber and chipboard screw for joinery, decking, cabinetry and general woodworking.

DIN 7997 specifies a full-thread countersunk screw with a Pozidriv drive - the thread runs the full length of the shank, which maximises pull-out strength in softwood, MDF and chipboard. 3.5mm, 4mm, 4.5mm and 5mm diameters across A2 and A4 grade. A4 (316) marine grade is the right choice for outdoor decking, coastal joinery and permanently wet timber. Trade packs and DIY packs, next-day UK delivery before 4PM.

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