5/16-18 x 3/8 Inch Coarse Black Oxide Medium Carbon Steel Button Head Socket Cap Screw USA Best Seller 3/16 AL TRI-FOLD RVT

3/16 AL TRI-FOLD RVT

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5/16-18 x 3/8 Inch Coarse Black Oxide Medium Carbon Steel Button Head Socket Cap Screw USA Best Seller 3/16 AL TRI-FOLD RVTSocket 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.