Socket screws are commonly used in assemblies that do not provide sufficient clearance for a conventional wrench or socket.#10-32 Socket Head Cap Screw, 18-8 Stainless Steel, 1 in Length, 20 PK 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.#2-56 Socket Head Cap Screw, Steel, 3/8 in Length, 6 PK A hex key is required to tighten or loosen a socket screw.