Screws with coarse threads and a pointed end for use in sheet metal sometimes also used in plastic, fiberglass, or wood.
A slotted hex washer head can be installed with either a wrench or a flat bladed screw driver, and has a built-in washer.
A low carbon steel for general use. Zinc plated for moderate corrosion resistance.
Screws with a smooth shank and tapered point for use in wood.
Construction screws intended for fastening drywall sheets to studs.