Diameter: 5/16″
Length: 2-1/2″
Material: Steel
Finish: Chrome
Head Style: Smooth Socket (1/4″ Socket)
Thread Size: 24 (Fine)
Type: Socket Cap Screw

Box of 8.

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.