#9 x 3" Simpson HCKWSV3S WSV Subfloor Screw - Yellow Zinc, Pkg 500 Straps & Ties The low profile head makes

The low profile head makes these screws great for everything from HVAC work to attaching fixtures and lighting

This nail is compatible with many major manufacturers’ pneumatic tools

but expect a much longer life that the rest

or structural fabrication

#9 x 3" Simpson HCKWSV3S WSV Subfloor Screw - Yellow Zinc, Pkg 500 Straps & Ties The low profile head makesThe Simpson Strong Drive WSV Subfloor Screw is purpose built for fast, secure subfloor installations. Designed specifically for use with Simpsons Quik Drive auto feed systems, these collated screws dramatically speed up floor assembly while reducing squeaks, callbacks, and crew fatigue. Engineered with a ribbed head for clean countersinking and a redesigned thread pattern for aggressive pull down power, WSV screws set the standard for structural