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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.
Donald Lehnert
August 23, 2025
Hanging over 60 4 X4 holders for 4 x 4 beams. This item speeds the work. They even give you the hex head bit to use in the drill. What more can you ask for. Great Product.
Jon Hensley
August 19, 2025
I like it 👌
anthony
July 17, 2025
Durable quality and great value
Customer
July 3, 2025
Great for any build project.
NA
June 20, 2025
These fasteners are amazing. If you’re doing any kind of framing, you’ll know Simpson is the standard. May be more expensive than others, but you get the strength and quality with this brand. They drive easy and hold tough. Only brand I’ll buy.
Zack M.
June 16, 2025
I’ve got a La-Z-Boy rocker recliner that I busted the springs on and snapped a few of the screws and decided on whether or not to nut and bolt the replacement springs back on but this was a more feasible option. I purchased these back in August of 2022 it is currently March of 2024 I have rocked this chair daily and am still rocking it today and plan on rocking it for years to come hopefully. Or at least till the fabric wears out cause Lord knows the screws will out last that!The failed factory screws caused the springs to snap when I replaced with these I have not had any issues so I highly recommend these for any structural needs.
Russell Ryan
June 12, 2025
Excellent, but a little pricey.
jenn
May 30, 2025
These structural screws are AMAZING! The hex head makes it easy for my driver to keep a good grip on them, and the screw pattern just pulls the screw into even the oldest and hardest wood. Honest! I have never felt anything like it! I am working on a home remodel where the wood has been in place for 40 years, and nails are hard to drive in without a gun. These go in like butter. Never thought I would fall in love with the design of a screw!! Better still, because they are structural (and can take shear force much better than other screws) they make installing metal construction connectors a piece of cake! No more bruised thumbs from missing the nail for me, or hard pounding in tight places!!
Phil Hamilton
May 26, 2025
Everything’s good thank you for your product
Mikej38
May 16, 2025
Great quality and just what you need when building a deck.
Alain
March 11, 2025
Utilisé pour des équerres pour poutres. Parfait. Bonne dimension.
S2mac
January 18, 2025
Name brand connector screws at a good price.
Candice Briere
January 15, 2025
These are the BEST screws/bolts to use with simpson strong ties or hurricaine ties. And they come with a driver, THANK YOU; and they're cheaper with Amazon than Home Depot.
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