M20 x 2.5 x 130 Mm Coarse Black Oxide Alloy Steel Socket Cap Screw Best Seller Stainless steel 400 gives these

Stainless steel 400 gives these screws the added benefits of higher strength and wear resistance

Effective on stainless steel aluminum and exotic alloys

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A194 2H HVY HX NUT PLN 1-1/2-8

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M20 x 2.5 x 130 Mm Coarse Black Oxide Alloy Steel Socket Cap Screw Best Seller Stainless steel 400 gives theseSocket head cap screws are commonly used in machine assembly for removable panels and parts. They have a round cap with a hex head and are tightened with a socket wrench drive. Longer caps are easier to see when fastened while button and flat head caps are less likely to snag clothing or linkages. Cap screws with a black oxide or armor coat finish resist corrosion.