0.220" x 10" Strong-Tie SDWS221000 Log Screw, E-Coat, Pkg 250
0.220" x 10" Strong-Tie SDWS221000 Log Screw, E-Coat, Pkg 250!
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Flat Head Structural Screws
Specifications
Simpson Strong-Tie SDWS Timber Interior Screws are the go-to fastener when your indoor wood projects need serious strength. Designed for structural wood-to-wood connections, these screws are ideal for everything from basement framing to custom shelving or large furniture builds.
They feature a large washer head for exceptional holding power and a bold thread design that bites quickly into wood, no pre-drilling needed. The smooth shank under the head helps pull materials tightly together, delivering a secure, long-lasting connection.
Whether you're building a heavy-duty workbench or putting up interior walls in a workshop or basement, these screws offer the strength and speed DIYers need for larger indoor construction tasks.
Key Features:
- Interior Grade Finish – Optimized for indoor use, offering durable performance in dry, controlled environments.
- No Pre-Drilling Required – Save time on installs with a thread and point designed for fast starts and strong grip.
- Large Washer Head – Provides a broad bearing surface that increases pull-through resistance and clamping force.
- Underhead Smooth Shank – Helps pull materials together tightly for cleaner, more secure assemblies.
Add the Essentials
Complete your order with these essentials, compatible with:
0.220" x 10" Strong-Tie SDWS221000 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 10" Strong-Tie SDWS221000 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.