Screw Type: Cap Screw; Dry Wall Screw; Lag Screw; Machine Screw; Self Drilling / Thread Cutting Screw; Shoulder Screw; Tamperproof Screw (optional feature); Wood ...
A socket cap screws are machine screws with a cylindrical barrel shaped head containing a hexagonal socket. The head has a smaller diameter than most other machine screw heads, typically just 1.5 ...