Square drive, #10

US Fasteners

Square flat head nibs

Wood screws

Screws with a smooth shank and tapered point for use in wood.
Square drive pan head

Sheet metal screws

Screws with large threads for use in sheet metal sometimes also used in plastic, fiberglass, or wood.
Square pancake head

Roofing screws

Screws designed to be used in metal roofing applications and are available in a variety of colors.
SimpsonĀ® Bugle head wood screws square

Deck screws & Timber screws

Screws for wood to wood fastening applications such as decks, docks, and ledgers, etc.