Product Description
The Simpson Strong-Tie Strong-Drive WSV SUBFLOOR Screw (Model HCKWSV212S) is a #9 x 2-1/2 in., T-25 6-Lobe, Yellow-Zinc collated subfloor screw offered in a 750-piece pack. Engineered specifically for fastening subfloor sheathing with the Quik Drive auto-feed screw driving system, this screw has been re-engineered from the ground up to reduce driving force and increase installation speed. Simpson Strong-Tie structural fasteners are extensively tested to efficiently meet demanding wood-frame fastening applications, and the WSV Subfloor screw is no exception - delivering superior holding power that reduces the joist-to-subfloor gaps responsible for annoying floor squeaks.
Key Features
- Up to 25% less torque & 20% faster driving: Redesigned tip and thread pattern provides easy starts, reduced driving force, and significantly faster installation speeds.
- Reduced tool wear: Lower installation torque translates directly to less wear on your tools over time.
- Deep 6-lobed recessed ribbed head: Provides clean countersinking and more secure bit retention for fewer cam-outs during installation.
- Squeak-reducing holding power: The holding power of WSV screws reduces the gaps between the joist and subfloor that cause floor squeaks.
- Easily reversible: WSV screws can be easily backed out, allowing for future access to floor cavities.
- T-25 drive bit included: Each pack includes a 6-lobe T-25 drive bit for immediate use.
- Dual ICC-ES evaluation: Evaluated under both ICC-ES AC233 and AC120 for wood-frame subfloor fastening.
- ASTM F1941 yellow-zinc coating: Yellow zinc coating is applied in accordance with ASTM F1941 for consistent finish quality.
- Variable thread design: Engineered thread geometry optimized for subfloor sheathing applications.
- Curved collation: Curved collation strip designed for use with compatible Quik Drive auto-feed systems.
Specifications
- Model Number (MPN): HCKWSV212S
- Screw Size: #9
- Length: 2-1/2 in.
- Drive Type: T25 6-Lobe
- Head Type: Rimmed Flat Head with Nibs
- Head Diameter: 0.333 in.
- Shank Type: 2/3-Threaded Shank
- Thread Type: Variable Thread Design
- Point Type: High-Low Threaded Point
- Collation Type: Curved
- Coating / Finish: Yellow-Zinc Coated (per ASTM F1941)
- Evaluation: ICC-ES AC233 and AC120
- Quantity: 750 screws per pack
- Country of Origin: Taiwan
Approved Applications
- Fastening wood-to-wood subfloor sheathing connections
- Wood-frame subfloor fastening (dual-evaluated under ICC-ES AC233 and AC120)
Compatible Installation Systems
This collated screw installs with the Simpson Strong-Tie Quik Drive PRO250G2, PRO300S, or Project Pro auto-feed sc
Frequently Asked Questions
- What auto-feed screw driving systems are compatible with these collated screws?
- The WSV SUBFLOOR 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. Each 750-piece pack also includes one T-25 6-lobe drive bit (model BITX25) for immediate use.
- Are these screws approved for use in wood-frame subfloor applications?
- Yes. The WSV SUBFLOOR screws are dual-evaluated under ICC-ES AC233 and AC120 for wood-frame subfloor fastening, making them a code-compliant choice for fastening subfloor sheathing to joists.
- How do WSV screws help prevent floor squeaks?
- The holding power of WSV screws reduces the gaps that can develop between the joist and the 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 makes the WSV screw faster and easier to drive than standard subfloor screws?
- The WSV screw features a redesigned tip and variable thread pattern that provides easy starts and up to 25% less torque while driving, resulting in up to 20% faster installation speeds. The deep 6-lobed recessed ribbed head also offers more secure bit retention for fewer cam-outs, and the reduced torque requirements mean less wear on your tools over time.
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