1/4 -20 x 2-1/2 Plain Steel Coarse Thread Socket Cap Screws SCSS-213

Diameter: 1/4 Length: 2-1/2 Material: Steel Finish: Plain Head Style: Socket (3/16 Socket) Thread Size: 20 (Coarse) Type: Socket Cap Screw 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.