Product Description Stainless Steel Deck Screws provide the best corrosion and stain protection for all types of wood: cedar, redwood, and pressure treated wood. These screws have a square drive that is easy to use and more durable than Phillips for better efficiency. The type 17 point and flat-head with nibs have been designed to remove material to prevent splitting and ensure a cleaner finish. From the Manufacturer Square drive deck screw with a coarse tapping screw thread and a special long sharp point fluted to capture chips, type 17 cut point. Stainless Steel provides superior rust and corrosion protection. For use with treated lumber. Includes square bit.