M6 x 30mm 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. A4 (316) gives outstanding saltwater and chloride resistance for marine, coastal, and pool use. Free next-day UK delivery on orders over £50.
Checkout happens on the official store. This page mirrors catalog facts in plain HTML for direct reading and crawlability.