#4-40 x 1/4 18-8 Stainless Steel Coarse Thread Socket Cap Screws (10 pcs.)

Diameter: #4 Length: 1/4 Material: Stainless Steel Head Style: Socket (3/32 Socket) Thread Size: 40 (Coarse) Thread Length: Full Hardness: 18-8 Type: Socket Cap Screw Box of 10. 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.