Screws with coarse threads and a pointed end for use in sheet metal sometimes also used in plastic, fiberglass, or wood.
Truss heads are wide with a low profile rounded top. Phillips drive is x-shaped for installation with a Phillips screw driver.
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Truss heads are wide with a low profile rounded top. Spanner (a.k.a. snake eyes) is a tamper resistant drive that requires a special driver to install.
Screws with a smooth shank and tapered point for use in wood.
Construction screws intended for fastening drywall sheets to studs.