1/2 -13 x 1-1/2 Plain Steel Coarse Thread Socket Cap Screws (4 pcs.)

Diameter: 1/2 Length: 1-1/2 Material: Steel Finish: Plain Head Style: Socket (3/8 Socket) Thread Size: 13 (Coarse) Type: Socket Cap Screw Box of 4. A socket cap screw is a type of cap screw with a hexagonal recessed drive. A hex key is required to tighten or loosen a socket screw. Socket screws are commonly used in assemblies that do not provide sufficient clearance for a conventional wrench or socket.