Especially useful in metal-to-metal or where heavy duty fastening is required.70 x 16 mm Phillips Truss Machine Screw, Zinc Plated Steel, 25 PK Commonly used with flat or lockwashers. Machine screws are used in fastening nearly all types of hard materials..
Sheet Metal Screw, 5/16" x 3/4 in, Zinc Plated Steel Hex Head Hex Drive, 100 PK Sheet metal screws make excellent fasteners for attaching metal hardware to wood because the fully threaded shank provides good retention in wood..
Socket screws are commonly used in assemblies that do not provide sufficient clearance for a conventional wrench or socket.#6-32 Socket Head Cap Screw, Plain Steel, 1/2 in Length, 10 PK A hex key is required to tighten or loosen a socket screw..