Simpson WSV Subfloor Screw #9 x 2 in. T25 Yellow Zinc Collated 2000 Pack Carbide Drill Bits and Accessories precut strap engineered to support precut strap engineered to support heavy Positive click connection during injection eliminates messy leakage so you waste less epoxy and spend less time on clean up after the job 000 collated screws with a curved collation strip and includes a 6 lobe T25 drive bit (model BITX25) the WSV screw features a redesigned tip and variable thread pattern that reduces driving force by up to 25% and increases installation speed by up to 20% compared to earlier designs delivering measurable time and cost savings on the job site