#7 x 3" Simpson Strong-Tie DWP T15 Trim Head Wood Screw - Type 305 Stainless Steel, Pkg. 350 Roofing Tile Screw Guns are made with type 316

are made with type 316 and type 304 stainless steel

Secure with appropriate nuts and washers (not included)

secure anchoring into concrete

Compatible with a variety of base materials including poured concrete

#7 x 3" Simpson Strong-Tie DWP T15 Trim Head Wood Screw - Type 305 Stainless Steel, Pkg. 350 Roofing Tile Screw Guns are made with type 316The Simpson Strong Tie Deck Drive DWP Trim Head Wood SS Screw is designed for outdoor builds that need strength and long term durability. Made from 305 stainless steel, it offers excellent corrosion resistance for decks, docks, and exterior structures. With its sharp point and efficient thread design, the DWP drives smoothly into wood, engineered wood, and polymer materials while reducing strain on your tools. Available in both hand drive and collated