#9 x 4" Simpson Strong-Tie T20DWP Trim Head Wood Screw - 305 Stainless Steel, Pkg. 1 Lb.
#9 x 4" Simpson Strong-Tie T20DWP Trim Head Wood Screw - 305 Stainless Steel, Pkg. 1 Lb.!
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General Purpose Wood Screws
#9 x 4" Simpson Strong-Tie T20DWP Trim Head Wood Screw - 305 Stainless Steel, Pkg. 1 Lb.
Specifications
The Simpson Strong-Tie Deck-Drive™ DWP Trim Head Wood SS Screw is built for outdoor projects that demand long-lasting performance and a clean finish. Made from 305 stainless steel for reliable corrosion resistance, it’s the go-to fastener for decks, docks, fences, and other exterior wood applications.
Engineered for efficiency, this screw features a sharp point and unique box-thread design that drive smoothly into wood, engineered lumber, and polymer materials while reducing torque and extending battery life. With its 6-lobe drive for secure engagement, the DWP provides easy installation and lasting strength in every application.
Key Features
- 305 stainless steel construction - dependable corrosion resistance for exterior use
- Box-thread design - reduces torque and increases driving efficiency
- Sharp point - penetrates hardwoods quickly and cleanly
- 6-lobe drive - secure bit fit for easier driving and longer bit life
- Versatile material compatibility - suitable for wood, engineered wood, and polymer boards
Add the Essentials
Complete your order with these essentials, compatible with:
#9 x 4" Simpson Strong-Tie T20DWP Trim Head Wood Screw - 305 Stainless Steel, Pkg. 1 Lb.
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Continue Browsing
General Purpose Wood Screws
Add the Essentials
Complete your order with these essentials, compatible with:
#9 x 4" Simpson Strong-Tie T20DWP Trim Head Wood Screw - 305 Stainless Steel, Pkg. 1 Lb.
My Cart:
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High Quality Finishes & Materials
Built to stand up to the harshest outdoor conditions, our deck screws feature corrosion-resistant coatings that protect against moisture, chemicals, and UV exposure. Whether you're installing pressure-treated lumber or composite decking, these screws deliver long-lasting hold and structural integrity that won’t back down over time.
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Versatile Solutions for Every Decking Project
From classic pressure-treated wood to premium composite boards, we offer a wide selection of deck screws engineered to match your material and environment. Choose from multiple lengths, head styles, colors, and coatings, each designed to optimize performance and appearance for your specific job.
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Collated Deck Screws for Speed & Efficiency
Tackle big jobs faster with collated deck screw options built for high-volume work. Designed to work with compatible auto-feed systems, these screws streamline your install with fewer stops, less fatigue, and consistent drive depth. It’s the ideal choice when speed, precision, and productivity matter most.
Customer Reviews
Building a 600ft of treated wood fence. We'll use 40lbs of Simpson S07162WP5 #7 x 1-5/8" T15 DWP Trim Head Wood Screw. Tried 5lbs first, and knew right away these were great! Using a 22lb box now and will be ordering more as the job progresses.
Thanks Fasteners Plus and Simpson!
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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.
