1/4"-28 x 1" Plain Steel Fine Thread Button Head Socket Cap Screws
Head Style: Button (5/32 Socket)
Thread Size: 28 (Fine)
Thread Length: Full
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.