#9 x 3-1/2" Simpson Strong-Tie T20 DWP Trim Head Wood Screw - 305 Stainless Steel, Pkg. 1,500 Rod Hanger Concrete Screws Its square base provides greater

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

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

Designed for use with light to medium-gauge steel

Z28MB clips are sold in a 1000 pack carton

The Daggerz® Deck Screw with Ultra-Guard Coating is engineered for long-lasting performance in pressure-treated lumber and outdoor projects

#9 x 3-1/2" Simpson Strong-Tie T20 DWP Trim Head Wood Screw - 305 Stainless Steel, Pkg. 1,500 Rod Hanger Concrete Screws Its square base provides greaterThe 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