#8 x 2-1/2" Simpson Strong-Tie DWP T20 Trim Head Wood Screw - 305 Stainless Steel, Pkg. 1,750 Non-Returnable The PINWP is for high-volume

The PINWP is for high-volume applications and is designed for fastening into concrete and steel

The PDPA is a hardened-steel

the strap wraps or aligns with the purlin as designed

and pergolas

The Strong-Tie THA426 adjustable truss hanger features a G90 Galvanized coating and requires the use of hot-dip galvanized fasteners which meet the specifications of ASTM A153

#8 x 2-1/2" Simpson Strong-Tie DWP T20 Trim Head Wood Screw - 305 Stainless Steel, Pkg. 1,750 Non-Returnable The PINWP is for high-volumeThe 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