Product Description
The Simpson Strong-Tie Strong-Drive WSVF Subfloor Screw (Model WSVF212S) is a collated #9 x 2-1/2 in. T25 6-lobe fastener engineered specifically for fastening subfloor sheathing to wood framing using the Quik Drive auto-feed screw driving system. Re-engineered from the ground up, this screw features a redesigned tip and variable thread pattern that reduces driving torque by up to 25% and increases installation speed by up to 20% compared to conventional subfloor screws. Simpson Strong-Tie structural fasteners are extensively tested to meet demanding wood-frame construction applications - delivering the holding power needed to close joist-to-subfloor gaps that cause floor squeaks. The gray Quik Guard coating is approved for use in Fire Retardant Treated (FRT) lumber per ICC-ES ESR-1472, and the screw is dual-evaluated per ICC-ES AC233 and ICC-ES AC120 for wood-frame subfloor fastening. Each package contains 1,500 screws and includes a 6-lobe T25 drive bit.
Key Features
- Up to 25% less driving torque & 20% faster installation - Redesigned tip and thread pattern provides easy starts and dramatically reduced driving force for faster, more efficient work.
- Reduced tool wear - Less installation torque translates directly to less stress and wear on driving tools over time.
- Deep 6-lobed recessed ribbed head - Provides clean countersinking and more secure bit retention for fewer cam-outs during high-volume installation.
- Eliminates floor squeaks - Superior holding power reduces gaps between the joist and subfloor - the primary cause of squeaky floors.
- Removable for future access - WSVF screws can be easily backed out, allowing future access to floor cavities when needed.
- Quik Guard gray coating - Approved for use in FRT (Fire Retardant Treated) lumber per ICC-ES ESR-1472.
- Dual code-evaluated - Evaluated per ICC-ES AC233 and ICC-ES AC120 for wood-frame subfloor fastening applications.
- Curved collation - Designed for use with Quik Drive auto-feed screw driving systems for fast, consistent placement.
- T25 drive bit included - Each package includes a 6-lobe T25 drive bit (model BITX25).
- Bulk value pack - 1,500 screws per package for high-volume subfloor installations.
Specifications
- Model Number (MPN): WSVF212S
- Screw Size: #9
- Length: 2-1/2 in.
- Head Type: Rimmed Flat Head with Nibs
- Head Diameter: 0.333 in.
- Drive Type: T25 6-Lobe
- Thread Type: Variable Thread Design
- Shank Type: 2/3-Threaded Shank
- Point Type: High-Low Threaded Point
- Collation Type: Curved
- Coating / Finish: Quik Guard Coating (Gray)
- Package Quantity: 1,500
Frequently Asked Questions
- What auto-feed screw driving systems are compatible with these collated subfloor screws?
- The WSVF212S screws are designed to install with the Simpson Strong-Tie Quik Drive PRO250G2, PRO300S, or Project Pro auto-feed screw driving systems and their compatible attachments. The package also includes a 6-lobe T25 drive bit (model BITX25) to get started.
- Can these screws be used with Fire Retardant Treated (FRT) lumber?
- Yes. The gray Quik Guard coating on these screws is approved for use in Fire Retardant Treated lumber per ICC-ES ESR-1472, making them suitable for subfloor applications where FRT lumber is specified.
- How do these screws help prevent squeaky floors?
- The WSVF screws are engineered with strong holding power that reduces the gaps between the joist and subfloor - gaps that are a primary cause of floor squeaks. Additionally, the screws can be easily backed out if future access to floor cavities is needed, without damaging the surrounding material.
- What certifications do the WSVF212S screws carry for subfloor fastening?
- These screws are dual-evaluated per ICC-ES AC233 and ICC-ES AC120 for wood-frame subfloor fastening, confirming they meet recognized industry standards for structural subfloor applications.
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