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Internet # 321523823

Model # HCKWSV134S

Store SKU # 1008386966

#9 x 1-3/4 in. T25 6-Lobe, Flat Head, Strong-Drive WSV Collated Subfloor Screw, Yellow Zinc (1000-Pack)

Contains 10 hundred units
$69.98
($7.00 /100 units)
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  • T25 6-lobe drive resists cam-out for faster installations
  • Collated subfloor screws for consistent, quick loading
  • Yellow zinc finish enhances corrosion and rust resistance
  • View More Details

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Product Details

About This Product

Simpson Strong-Tie Strong-Drive structural fasteners are engineered and extensively tested to efficiently meet your most demanding wood and metal applications. The Strong-Drive family is designed to install easier than other fastening methods, which saves time and money. The WSV Subfloor screw was developed for fastening subfloor sheathing using the Quik Drive auto-feed screw driving system. It has been re-engineered to reduce driving force and increase installation speed.

Highlights

  • Redesigned tip and thread pattern provides easy starts and up to 25% less torque while driving makes for up to 20% faster driving
  • Less installation torque also means less wear on tools
  • Deep 6-lobed recessed ribbed head provides clean countersinking and more secure bit retention for fewer cam-outs
  • Holding power of WSV screws reduces the gaps between the joist and subfloor that cause floor squeaks
  • WSV screws can be easily backed out, allowing for future access to floor cavities
  • 6-lobe T25 drive bit (included)
  • Dual-evaluated under ICC-ES AC233 and AC120 for wood-frame subfloor fastening
  • Length: 1-3/4 in.
  • Yellow zinc coatings are applied in accordance with ASTM F1941
  • Quantity: 1,000
  • Shop all Simpson Strong-Tie products
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Product Information

Internet # 321523823

Model # HCKWSV134S

Store SKU # 1008386966

Specifications

Dimensions

Screw Length

1-3/4 in

Size

#9

Details

Collation Material

Plastic

Fastener Material

Carbon Steel

Fastener Type

Collated Screws

Features

No Additional Features

Head Style

Flat Head

Interior/Exterior

Interior

Measurement System

Inches

Package Quantity

1000

Product Weight (lb.)

8.5 lb

Returnable

90-Day

Warranty / Certifications

Manufacturer Warranty

Limited Warranty

Questions & Answers

Are the screws lubricated?
BySep 26, 2026
1 Answer | 
Answer This Question

Hi Gloria, thank you for your question. So that we can be sure to assist you properly please contact our Customer Service team at 800-999-5099.

By|Sep 29, 2026


    I'm building a cabin soon and my floor joist will be pressure treated lumber. Will these screws be ok to use?
    ByAug 14, 2025
    1 Answer | 
    Answer This Question

    Hi Jason, this is Lexus from Simpson Strong-Tie. Thank you for your inquiry about our HCKWSV212S item! We want to ensure your question is addressed thoroughly, so we kindly ask that you contact our Simpson Strong-Tie Customer Service Team at 800-999-5099 for direct support. We look forward to assisting you!

    By|Aug 14, 2025


      Will these work in the Milwaukee Collated drill gun attachment?
      ByJan 8, 2025
      1 Answer | 
      Answer This Question

      Hi Dave, this is Lexus from Simpson Strong-Tie. Thank you for your question! To ensure we provide you with the most accurate information, we kindly ask that you give us a call at 800-999-5099. Our Simpson Strong-Tie Customer Service Team will be happy to assist you and confirm whether these will work with the Milwaukee Collated drill gun attachment.

      By|Jan 8, 2025


        What are the dimensions - head to thread on the 1 3/4 and 2 inch screws?
        ByApr 13, 2024
        1 Answer | 
        Answer This Question

        Hi mike, since the WSV screw is designed for countersinking, the length is from the top of the head to the tip of the screw. If you have any more questions please reach out to our Customer Service Team at (800)999-5099. We look forward to hearing from you, Stacy.

        By|Apr 16, 2024


          Viewing 1-4 of 4

          Customer Reviews

          4.8 out of 5

          • 4.8 out of 19 reviews
          • 0% recommend this product
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          Showing 1-10 of 19 reviews
          These screws and the quick drive attachment work flawlessly with a standard Dewalt screw gun. Only issue was operator error when I accidentally switched to reverse. Screws would just fall out bottom of quick drive mechanism. No jams and no damage to driver. Screws drive well and flush with the fluted head on underside of screed. The threads themselves change along the length to create a good seat of the screw each time.
          by
          Excellent screws. Installed approximately 600 scews with a $99 Simpson Quick Drive Project Pro Screw Driving Tool with my 1/2" Makita cordless drill attached in a couple hours. So this was done using a fair amount of pressure applied with a fairly powerful drill motor. Amazingly, only one screw head broke off and absolutely none of the T-25 heads cammed-out. The driver was fast screwing them in straight and consistently indented as wanted. The screws and driver were two of the best purchases made in a long a long time. Highly recommend both!
          by
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          Showing 1-10 of 19 reviews

          Compare Key Features

          current item

          Product Snapshot

          Great for subfloor fastening, providing easy starts, faster driving with less torque, and reduced floor squeaks.
          Ideal for drywall-to-CFS fastening with included driver bit, ensuring efficient and reliable installation.
          Great for subfloor fastening, providing easy starts, faster driving, and reduced floor squeaks.
          Ideal for subfloor fastening with easy installation, reduced torque, and faster driving for efficient projects.

          Screw Length

          1-3/4 in
          1-5/8 in
          3 in
          1-3/4 in

          Corrosion Resistance

          Thread Type

          Hi-Lo Thread
          Fine threads
          Coarse Thread
          Coarse Thread

          Screw Diameter

          #9
          #6
          #9
          #9

          Point Type

          Sharp point