Simpson Strong-Tie has re-engineered its subfloor screw to increase installation speed and reduce driving force. The Strong-Drive WSV Subfloor screw has been developed for fastening subfloor and sheathing using the Quik Drive auto-feed screw-driving system. The WSV screw features a redesigned tip and thread pattern that provides up to 25 percent less torque, resulting in a faster-driving screw. It includes a deep-recessed, six-lobed ribbed head that delivers cleaner countersinking and more secure bit retention for fewer
camouts. The screw also reduces the gaps between the joist and subfloor that cause floor squeaks.
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