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The Strong-Drive SD Connector screw is specifically designed to replace nails in certain Simpson Strong-Tie connectors and is the only screw approved for that application. The load-rated SD screw has been tested and approved for use in many popular Simpson Strong-Tie products. In certain applications screws are easier and more convenient to install than nails, and the single-fastener load values achieved by the SD screw exceed those of typical 10d common or 16d common nails. In addition, the galvanized coating makes the SD screw ideal for interior and most exterior conditions.
From the Manufacturer
Simpson Strong Tie SD Structural-Connector Screws are designed to be used with Simpson Connectors for both interior and exterior applications.
BillH
Reviewed in the United States on March 9, 2025
Works well. I haven't broke one yet.
Erik 420
Reviewed in the United States on August 18, 2024
These are a special design with tested shear strength, make sure you buy these when using simpson strong ties or hurricane brackets.
Jonathan M Davis
Reviewed in the United States on June 12, 2024
Wish it was cheaper but you get what you pay for
B
Reviewed in the United States on May 29, 2024
These worked just as I had hoped! Great value.
Ricky Y.
Reviewed in the United States on December 11, 2024
Best on the market. I installed over 600 of these in my home build. None of them stripped out or broke. Great product.
Paul Perkins
Reviewed in the United States on October 4, 2024
I'm building a covered patio on my home and hanging joists with pressure-treated lumber. I'm using Simpson Strong-Tie joist hangers and am using these screws. Never yet been disappointed with Simpson products - and this case is no exception. Five stars.
Mikej38
Reviewed in Canada on October 31, 2024
Went through hundreds of these when building my deck. Don't skimp on quality. Buy these for all your hangers and clips etc.
Dellworkshop
Reviewed in the United States on October 14, 2024
Simpson provides the best screws around and the greatest value cheaper than a retail store
shamski77
Reviewed in Canada on July 4, 2023
Pricey but could at least get a bulk box.Work well for the Simpson hangers in our deck project.
Jose-Manuel Amorim
Reviewed in Canada on June 5, 2023
Nothing wrong can be said about these screws. Good quality and reasonable price.Totally as described.
M Hale
Reviewed in the United States on February 27, 2023
Used these with Simpson joist hangers. For DIYers like me that are not to handy with a hammer, these make the job fast and easy. If you are good with a hammer, then using nails would cheaper. Engineered by Simpson Strong-Tie so you know you can trust their strength.
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