M10-1.50 Socket Head Cap Screw, Black Oxide Steel, 25 mm Length, 3 PK, Midwest Fastener, Mfr#: 75991

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.