1/4″-20 x 1/2″ Chrome Grade 8 Smooth Head Socket Cap Screws (10 pcs.)
Diameter: 1/4″ Length: 1/2″ Material: Steel Finish: Chrome Head Style: Smooth Socket (3/16″ Socket) Thread Size: 20 (Coarse) Thread Length: Full Hardness: Grade 8 Type: Socket Cap Screw Box of 10. 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.