#9 x 3-1/2" Simpson Strong-Tie T20 DWP Trim Head Wood Screw - 305 Stainless Steel, Pkg. 1,500 Rod Hanger Concrete Screws The black phosphate finish provides

The black phosphate finish provides smooth driving and a clean appearance for indoor structural applications where corrosion is not a concern

saving time on the job site

Its square base provides greater flexibility for various roofing materials and shapes

leaving you with a smooth

The integrated wings bore out the wood and break off upon steel contact

#9 x 3-1/2" Simpson Strong-Tie T20 DWP Trim Head Wood Screw - 305 Stainless Steel, Pkg. 1,500 Rod Hanger Concrete Screws The black phosphate finish providesThe Simpson Strong Tie Deck Drive DWP Trim Head Wood SS Screw is built for outdoor projects that demand long lasting performance and a clean finish. Made from 305 stainless steel for reliable corrosion resistance, its the go to fastener for decks, docks, fences, and other exterior wood applications. Engineered for efficiency, this screw features a sharp point and unique box thread design that drive smoothly into wood, engineered lumber, and polymer