Simpson Strong-Tie SDWS271200SS-R30 12" x 0.276" Structural Timber Screws - 316 Stainless Steel (30-Pack) - Heavy-Duty Construction, Deck Building & Wood Framing Fasteners

The Strong-Drive SDWS Timber SS heavy-duty structural fasteners are constructed of severe corrosion–resistant Type 316 stainless steel. It's heavy-duty 0.276-inch diameter shank, SawTooth point and flat washer head make the SDWS Timber screws the ideal choice for use in applications such as docks, wharves, piers, boardwalks and ledgers, where strength and severe-corrosion resistance are critical.