3/8-24 x 2-1/2 Inch Fine Black Oxide Heat-Treated Alloy Steel Socket Cap Screw USA Best Seller M8 Compression Technical Polymer Bulkhead

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3/8-24 x 2-1/2 Inch Fine Black Oxide Heat-Treated Alloy Steel Socket Cap Screw USA Best Seller M8 Compression Technical Polymer BulkheadSocket 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.