#10 x 3-1/2 Pan Head Sheet Metal Screws, Full Thread, Phillips Drive, Stainless Steel 18-8, Bright Finish, Self-Tapping, Quantity 25 Pieces

SHEET METAL SCREWS HAVE SHARP THREADS THAT CUT INTO MATERIALS SUCH AS: Plastic Plexi glass Wood And of course sheet metal Sheet metal screws are also the go to fasteners for use with plastic wall anchors in drywall. Tapping screws are considered externally threaded fasteners that tap their own mating threads in metallic and non-metallic (such as plastic) materials. Tapping screws, especially Type A, are referred to as sheet metal screws because one of their first applications was in ventilation ducts made of sheet metal. They also make excellent fasteners for attaching metal hardware to wood because the fully threaded shank provides good retention in wood. Pan heads are slightly rounded with short vertical sides. A Pan head provides a low large diameter head, but with characteristically high outer edge along the outer periphery of the head where driving is most effective for high tightening torques. Phillips drive is x-shaped for installation with a phillip screw driver. The design is