Flat, #12, 316

US Fasteners

Flat head wood screw

Wood screws

Screws with a smooth shank and tapered point for use in wood.
Sheet metal screw phillips flat head

Sheet metal screws

Screws with large threads for use in sheet metal sometimes also used in plastic, fiberglass or wood.
Simpson® DSV Wood screws

Deck screws & Timber screws

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