1/4 -28 x 1 18-8 Stainless Button Head Socket Cap Screws SCBS-021 (6 pcs.)

Diameter: 1/4 Length: 1 Material: Stainless Steel Head Style: Button (5/32 Socket) Thread Size: 28 (Fine) 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.