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.
.Sheet Metal Screw, #14 x 1/2 in, 18-8 Stainless Steel Oval Head Phillips Drive, 50 PK Sheet metal screws make excellent fasteners for attaching metal hardware to wood because the fully threaded shank provides good retention in wood.