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