Simpson Strong-Tie HCKWSV134S Strong-Drive® WSV SUBFLOOR Screw (Collated) — #9 x 1-3/4 in. T25, Yellow Zinc (1000-Qty)

Simpson Strong-Tie® Strong-Drive structural fasteners are engineered and extensively tested to efficiently meet your most demanding wood and metal applications. The Strong-Drive family is designed to install easier than other fastening methods, which saves time and money. The WSV Subfloor screw was developed for fastening subfloor sheathing using the Quik Drive® auto-feed screw driving system. It has been re-engineered to reduce driving force and increase installation speed.