Product Description
The Simpson Strong-Tie Strong-Drive WSV SUBFLOOR Screw (Model HCKWSV3S) is a collated #9 x 3-inch, T25 6-lobe, yellow-zinc coated subfloor fastener engineered specifically for fastening subfloor sheathing using the Quik Drive auto-feed screw driving system. Simpson Strong-Tie has re-engineered this structural fastener with a redesigned tip and variable thread pattern to reduce driving force and increase installation speed - delivering up to 25% less torque and up to 20% faster driving compared to previous designs. The result is a premium subfloor screw that saves time, reduces tool wear, and delivers the holding power needed to minimize the gaps between joists and subfloor that cause floor squeaks. This package includes 500 collated screws plus one T25 drive bit (model BITX25), and is dual-evaluated under ICC-ES AC233 and AC120 for wood-frame subfloor fastening.
Key Features
- Up to 25% less torque & 20% faster driving: Redesigned tip and thread pattern provides easy starts and significantly reduced driving resistance.
- Reduced tool wear: Less installation torque means less stress and wear on driving tools during extended use.
- Deep 6-lobed recessed ribbed head: Provides clean countersinking and more secure bit retention for fewer cam-outs.
- Squeak-reducing holding power: The superior holding power of WSV screws reduces the gaps between the joist and subfloor that cause floor squeaks.
- Reversible installation: WSV screws can be easily backed out, allowing for future access to floor cavities.
- T25 drive bit included: Each package includes one 6-lobe T25 drive bit (model BITX25).
- Dual code evaluation: Evaluated under both ICC-ES AC233 and AC120 for wood-frame subfloor fastening.
- ASTM F1941 compliant coating: Yellow zinc coating applied in accordance with ASTM F1941.
- Variable thread design: High-low threaded point and 2/3-threaded shank for optimized pull-through resistance.
- Curved collation: Designed for use with the Quik Drive auto-feed screw driving system for consistent, rapid installation.
Specifications
- Model Number (MPN): HCKWSV3S
- Screw Size: #9
- Length: 3 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: Yellow-Zinc Coated (per ASTM F1941)
- Code Evaluation: Dual-evaluated under ICC-ES AC233 and AC120
- Compatible Installation System: Simpson Strong-Tie Quik Drive PRO300S auto-feed screw driving system or attachment
- Quantity: 500
Frequently Asked Questions
- What tool or system is required to install these collated subfloor screws?
- The WSV SUBFLOOR screws are designed to install with the Simpson Strong-Tie Quik Drive PRO300S auto-feed screw driving system or compatible attachment. Each 500-count package includes one T25 6-lobe drive bit (model BITX25) to get you started.
- How do these screws help prevent squeaky floors?
- The WSV screw's holding power reduces the gaps that can develop between the joist and the subfloor - those gaps are a primary cause of floor squeaks. Additionally, the screws can be easily backed out if needed, allowing future access to floor cavities without damaging the subfloor.
- What performance advantages does the redesigned tip and thread pattern offer?
- The redesigned high-low threaded point and variable thread design provide easy starts and deliver up to 25% less torque while driving, resulting in up to 20% faster installation speeds compared to previous designs. The reduced torque also means less wear on driving tools during extended use.
- Are these screws code-evaluated for subfloor applications?
- Yes. The WSV SUBFLOOR screws are dual-evaluated under ICC-ES AC233 and AC120 for wood-frame subfloor fastening. The yellow-zinc coating is applied in accordance with ASTM F1941.
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