0.220" x 4" Strong-Tie SDWS22400 Log Screw - E-Coat, Pkg 250
0.220" x 4" Strong-Tie SDWS22400 Log Screw - E-Coat, Pkg 250!
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Flat Head Structural Screws
Specifications
Simpson Strong-Tie SDWS Timber Screws (Interior Grade) are made for serious holding power in your indoor wood-to-wood connections. Whether you're framing interior walls, building shelves, or assembling custom wood structures, these structural screws offer dependable strength without the hassle of pre-drilling.
With their aggressive thread design and large washer-style head, these screws drive quickly and hold tightly, perfect for basement builds, workshop upgrades, or home renovations. The smooth upper shank helps pull wood members together for solid, gap-free joints every time.
Designed specifically for dry, indoor environments, they’re an excellent alternative to lag screws when you want pro-level strength and easier installation.
Key Features:
- Interior Use Only – Optimized for dry conditions such as basements, interior framing, or enclosed workshops.
- No Pre-Drilling Required – Sharp tip and aggressive threads allow for quick, clean driving into wood.
- Washer-Style Head – Increases clamping force while reducing the risk of pull-through or material damage.
- Smooth Upper Shank – Pulls materials tightly together for stronger, flush joints.
Add the Essentials
Complete your order with these essentials, compatible with:
0.220" x 4" Strong-Tie SDWS22400 Log Screw - E-Coat, Pkg 250
Continue Browsing
Flat Head Structural Screws




Add the Essentials
Complete your order with these essentials, compatible with:
0.220" x 4" Strong-Tie SDWS22400 Log Screw - E-Coat, Pkg 250
Best price in could find for these 12" screws. Great for attaching my 4x8 timbers together
We had a glitch in shipping but when I contacted Heather and explained what happened she dealt with it promptly and expedited the shipping. The product was just what I needed and the service was extraordinary. I will definitely use Fasteners Plus again.
Ordered 18” long wood screws for my backyard gates. Order came in one day. Great screws. I am going to use the same 18” screws for every wooden gate that I will be building in the future. Great product, great store! Thank you!
Thank you for letting us know how we did. Glad to hear they worked out great for your gates! Thanks, Tammy ~ Fasteners Plus Team
Screws were exactly what I needed and received them on time.
Company sent exactly what I ordered in 2 days turnaround with normal shipping. This is the second time we've had great service from fastenersplus. It's nice to know some businesses have moved past the "supply shortage" excuses.


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We are on a mission to expand our national reach—offering more product selection and faster delivery times. So far we’ve made remarkable progress in our expansion efforts, effectively doubling our capacity by adding a new 47,000 sq. ft. warehouse in Simpsonville, South Carolina, in addition to our existing 60,000 sq. ft. facility in Urbana, Iowa.
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We pride ourselves on delivering a user-friendly, high quality experience online and over the phone. Our knowledgeable team of experts is readily available via phone to assist with product questions and custom pricing inquiries. We’re available Monday thru Friday from 7:00 AM – 5:00 PM CST. We look forward to supporting you on your next job.
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We partner with trusted manufacturers in the fasteners industry to bring our customers a selection of over 10,000 different products. Fasteners Plus is one of only four Certified Platinum E-Commerce Vendors of Simpson Strong-Tie products, one of the largest suppliers of high-quality structural building products in the world.