1/4 -20 x 7/8 Polished 18-8 Stainless Button Head Socket Cap Screws (6 pcs.)

Diameter: 1/4 Length: 7/8 Material: Stainless Steel Finish: Polished Head Style: Button (5/32 Socket) Thread Size: 20 (Coarse) Thread Length: Full Hardness: 18-8 Type: Socket Cap Screw Box of 6. 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.