#9 x 3-1/2" Simpson Strong-Tie T20 DWP Trim Head Wood Screw - 305 Stainless Steel, Pkg. 1,500 SUR Skewed 45 Hangers For I-Joist & SCL HVAC ductwork assembly

HVAC ductwork assembly

Smooth shank and full round head design

Part of the Mission Collection

Decorative structural accents in exposed wood construction

these screws provide strong clamping force and shear capacity in light-gauge steel framing and panelized construction

#9 x 3-1/2" Simpson Strong-Tie T20 DWP Trim Head Wood Screw - 305 Stainless Steel, Pkg. 1,500 SUR Skewed 45 Hangers For I-Joist & SCL HVAC ductwork assemblyThe 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