0.220" x 15" Strong-Tie SDWS221500-R50 Log Screw, E-Coat, Pkg 50
0.220" x 15" Strong-Tie SDWS221500-R50 Log Screw, E-Coat, Pkg 50!
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Flat Head Structural Screws
Specifications
Simpson Strong-Tie SDWS Interior Timber Screws are built for strength, speed, and simplicity, perfect for DIYers tackling framing or heavy wood connections indoors. Whether you're finishing a basement, building sturdy shelving, or constructing a workshop, these structural screws give you the muscle to get it done right.
With their coarse thread design and smooth upper shank, they drive fast and pull materials tight without the need to pre-drill. The large washer-style head delivers serious clamping force for long-lasting joints you can trust.
Optimized for dry environments, these interior-grade screws are a reliable choice for all your indoor structural wood projects, from walls to workbenches and beyond.
Key Features:
- Interior-Grade Finish – Made for dry, controlled environments like basements, workshops, and living spaces.
- Drives Fast with No Pre-Drilling – Saves time and effort thanks to the sharp tip and aggressive threading.
- Oversized Washer Head – Distributes load and clamping pressure for a secure, long-lasting hold.
- Smooth Upper Shank – Pulls boards together tightly to create flush, gap-free connections.
Add the Essentials
Complete your order with these essentials, compatible with:
0.220" x 15" Strong-Tie SDWS221500-R50 Log Screw, E-Coat, Pkg 50
Continue Browsing
Flat Head Structural Screws


Add the Essentials
Complete your order with these essentials, compatible with:
0.220" x 15" Strong-Tie SDWS221500-R50 Log Screw, E-Coat, Pkg 50
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.