Product Description
The Simpson Strong-Tie WSHL134S7 is a #7 x 1-3/4 in. collated subfloor screw engineered specifically to work with the Simpson Strong-Tie Quik Drive auto-feed screw driving system. Designed for securely fastening subfloor panels to floor joists, this screw delivers consistent, professional results on every installation. The Quik Drive system's non-skid teeth provide increased stability, resulting in uniform toenailing and countersink performance even on slick surfaces. With a gray phosphate coating, high-low thread profile, and rimmed flat head with nibs, the WSHL134S7 drives flush and fast - making it a trusted choice for subfloor assembly in dry, low-corrosion environments. Each box contains 2,000 screws plus a driver bit, keeping your job moving without interruption.
Key Features
- Curved collation - designed for use with Simpson Strong-Tie Quik Drive auto-feed systems for fast, continuous driving
- Rimmed flat head with nibs - nibs bite into the wood surface for easy, consistent countersinking without pre-drilling
- #2 square drive - reduces cam-out and delivers positive bit engagement; driver bit included in each box (replacement bit model: BIT2S)
- High-low threads - aggressive thread geometry pulls panels tight to joists and resists withdrawal
- Sharp point - penetrates subfloor panels quickly without pre-drilling
- 1:1 replacement for 8d common nails when used with floor sheathing 15/32 - 23/32 in. thick
- Gray phosphate coating - recommended for dry, low-corrosion environments
- 2,000-count bulk packaging - high-quantity supply for production-level subfloor installations
Specifications
- Model Number (MPN): WSHL134S7
- Screw Size: #7
- Length: 1-3/4 in.
- Head Type: Rimmed Flat Head with Nibs
- Head Diameter: 0.30 in.
- Drive Type: #2 Square
- Thread Type: High/Low Threads
- Threads Per Inch (TPI): 14
- Point Type: Sharp Point
- Collation Type: Curved
- Coating / Finish: Gray Phosphate Coating
- Compatible Tools: Simpson Strong-Tie Quik Drive PRO200SG2 or PRO250G2 auto-feed screw driving systems and attachments
- Packaging Quantity: 2,000
- Country of Origin: Taiwan
Approved Applications
- Subfloor panel fastening - securely attaches subfloor panels to floor joists in residential and light commercial construction
- Floor sheathing installation - serves as a 1:1 replacement for 8d common nails when used with floor sheathing 15/32 - 23/32 in. thick
- Crating
Gray phosphate coating is recommended for dry, low-corrosion environments only. Not recommended for exterior, treated lumber, or high-moisture applications.
What's Included
- 2,000 x Simpson WSHL134S7 #
Frequently Asked Questions
- Which auto-feed screw driving systems are compatible with these screws?
- The WSHL134S7 is designed to work with the Simpson Strong-Tie Quik Drive PRO200SG2 or PRO250G2 auto-feed screw driving systems and their attachments. The curved collation format is specifically engineered for use with these systems, which feature non-skid teeth that provide increased stability for uniform toenailing and countersinking even on slick surfaces.
- Can these screws replace 8d common nails for subfloor installation?
- Yes. The WSHL134S7 serves as a 1:1 replacement for 8d common nails when used with floor sheathing that is 15/32 - 23/32 in. thick, making it a direct substitute in standard subfloor panel-to-floor-joist applications.
- What coating do these screws have, and are they suitable for outdoor or high-moisture environments?
- These screws feature a gray phosphate coating, which is recommended for dry, low-corrosion environments only. They are not intended for outdoor use or applications where they will be exposed to moisture, weather, or corrosive conditions.
- Is a driver bit included, and what type of drive does this screw use?
- Yes, a driver bit is included in each box of 2,000 screws. The WSHL134S7 uses a #2 square drive, which reduces cam-out and provides positive bit engagement during installation. If a replacement bit is needed, the model number is BIT2S.
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