Screws with coarse threads and a pointed end for use in sheet metal sometimes also used in plastic, fiberglass, or wood.
Pan heads are slightly rounded with short vertical sides. Phillips drive is x-shaped for installation with a Phillips screw driver.
Pan heads are slightly rounded with short vertical sides. Square drive is designed to reduce the risk of cam-out (stripping) and allow single-handed installation.
Screws with a smooth shank and tapered point for use in wood.
Construction screws intended for fastening drywall sheets to studs.