5/16" x 1-1/2" Stainless Knurled Head Hex Socket Cap Screw (8 pcs.)Type: Stainless Socket Cap Screws
Material: Stainless Steel
Head Style: Knurled Socket (Hex)
Thread Size: 24 (Fine)
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.