1/4 -20 x 3/4 Black Chrome Button Head Socket Cap Screws (8 pcs.)

Diameter: 1/4 Length: 3/4 Material: Steel Finish: Black Chrome Head Style: Button (5/32 Socket) Thread Size: 20 (Coarse) 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.