#10 x 3-1/2" Simpson Strong-Tie DWP T25 Flat Head Wood Screw - 316 Stainless Steel, Pkg. 250 HUTF/HUCTF Top Flange Joist Hangers Each screw features a 1/4"

Each screw features a 1/4" hex head with an integrated washer stamped for easy post-installation inspection

The QDPROLDHG2 Underlayment/Backerboard Attachment features-

which are included

G90 Galvanized Steel: Provides durable corrosion resistance for indoor and outdoor applications

Bold thread design - provides excellent holding power and tight

#10 x 3-1/2" Simpson Strong-Tie DWP T25 Flat Head Wood Screw - 316 Stainless Steel, Pkg. 250 HUTF/HUCTF Top Flange Joist Hangers Each screw features a 1/4"The Simpson Strong Tie Deck Drive DWP Wood SS Screw is built for decking, docks, and general exterior projects where corrosion resistance is critical. Made from 316 stainless steel for long lasting durability, and for maximum protection in seaside and coastal environments. Engineered for efficient installation, this screw features a sharp point and box thread design that drive smoothly into wood, engineered lumber, and polymer materials with reduced