5/16-18 Socket Cap Screws, Alloy Steel Socket Head Cap screws Black Ox

US (Inch) 5/16"-18 screws with an allen key drive. Socket caps have a small cylindrical head with tall vertical sides. Socket drive is a six-sided recess for use with an allen wrench (hex key).
5/16-18 Socket Head Cap screws. These are made from Alloy Steel with Thermal Black Oxide coating. Note: PT = Partial Thread Diameter: 5/16 Thread Size: 18 TPI - Coarse (Standard) Thread Length: Please select from menu above. Drive: 1/4 Hex Key - Available here Type: Socket Head Cap Screw Matching Nut & Washer: 5/16-18 - Available here System of Measurement: U.S. / Inch Material: Alloy Steel with Thermal Black Oxide Specifications: ANSI/ASME B18.3, ASTM A574

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