Especially useful in metal-to-metal or where heavy duty fastening is required. Machine screws are used in fastening nearly all types of hard materials.#8-32 x 1 in Phillips Flat Machine Screw, Zinc Plated Steel, 15 PK Commonly used with flat or lockwashers..
Sheet Metal Screw, #8 x 2 in, Painted 18-8 Stainless Steel Pan Head Phillips 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..