Stainless Steel Countersunk Socket Screws A2 & A4 DIN 7991

Stainless Steel Countersunk Socket Screws A2 & A4 DIN 7991. Our selection of A2 fasteners is used for inland rainwater and fresh water to guide against these environments. A4 (316) is usually used in marine / coastal, chemical plants, swimming pools & other more hostile environments.

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