Socket screws are commonly used in assemblies that do not provide sufficient clearance for a conventional wrench or socket.5/16"-18 Socket Head Cap Screw, Chrome Plated Steel, 1-1/2 in Length, 10 PK A hex key is required to tighten or loosen a socket screw..
#4-40 x 1/2 in Phillips Pan Machine Screw, Zinc Plated Steel, 60 PK Commonly used with flat or lockwashers. Machine screws are used in fastening nearly all types of hard materials.
.#4-40 x 1/2 in Phillips Pan Machine Screw, Zinc Plated Steel, 60 PK Commonly used with flat or lockwashers. Machine screws are used in fastening nearly all types of hard materials.