1/2"-20 x 1" Zinc Plated Steel Fine Thread Socket Cap Screws (5 pcs.)
Head Style: Socket (3/8" Socket)
Thread Size: 20 (Fine)
Thread Length: Full
Type: Socket Cap Screw
Box of 5.
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.