5/16"-18 Socket Set screws with a Cup Point. These are made from Alloy Steel with Thermal Black Oxide.
Thread Size: 18 TPI - Coarse (Standard) Thread
Length: Please select from above.
Type: Socket Set screws / Cup Point
Matching Nut & Washer: 5/16-18 Available here
System of Measurement: U.S. / Inch
Material: Alloy Steel with Thermal Black Oxide
Specifications: ASTM F912