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Model #SDWS22312DBB-R50

Store SKU #1002099288

Outdoor Accents 0.220 in. x 3-1/2 in. T40 6-Lobe, Low Profile Head, Black Structural Wood Screw (50-Pack)

$3198
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  • Industry leader in structural hardware engineering since 1956
  • Products designed and tested for strength and easy installation
  • Diverse product line for DIY and residential
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Product Details

Outdoor Accents Large Pergola

Add Beauty and Strength to Your Outdoor Living Area

Enjoy design elegance and structural strength with Outdoor Accents decorative hardware

Outdoor Accents Pergola

Build Your Backyard Oasis

Decorative black powder-coat connectors and fasteners provide corrosion resistance

Forever Redwood Lake Pavilion

Complete hardware and fastener line to transform your backyard

From pavilions to pergolas, Outdoor Accents decorative hardware helps create strong structures and memories

Outdoor Accents Hex-Head Washer and Screw Installed

Building Pergola Tips and Tricks

Combining Outdoor Accents structural screws and hex-head washers provide a decorative appearance with easy installation

Outdoor Accents Patio Cover

Build that Patio Cover

Make your patio cover stylish and stronger from the bottom up

Outdoor Accents Pergola

Patio Covers Made Easy

Outdoor Accents fasteners and washers combine to deliver easy-to-install, decorative bolt-like connections

Outdoor Accents Trellis

Imagine Backyard Fun for Years to Come

Installing Outdoor Accents structural screws together with hex-head washers delivers a superior, code-listed connection

Typical APLH26 Outdoor Accents Decorative Light Hanger Installation

Patio Cover Construction

The APLH light joist hangers connect 2x joists to beams

Outdoor Accents Post Base Installation

Post Base Installation

APB post bases include 1 in. standoff from the concrete to help avoid post-end rot

Outdoor Accents Connector Screw Installation with APA21

Angles Add Strength

Outdoor Accents angles accommodate up to 6x or larger lumber

Outdoor Accents Decorative Washer Installed

Mission Style Decoration

APDMW56 decorative washer installs easily with the Outdoor Accents structural wood screw and hex-head washer

Outdoor Accents APT6 Installed

T Strap Ties

Tee up a decorative, Mission-style connection

Outdoor Accents APL4 Installed

Decorative reinforcement

APL L Strap Ties offers decorative appeal and lateral strength for connecting posts and beams

The Outdoor Accents structural wood screw reduces installation time by driving easily without predrilling. When combined with the patented, load-rated Outdoor Accents hex-head washer, the solution delivers the decorative appearance of a bolt connection but with a much easier installation. The structural wood screw can be used with either the Mission Collection or Avant Collection, as well as separately to add flair to any outdoor project. The 3-1/2-in screw features a bold thread design that enables superior holding to attach ledgers and other secure connections.
  • Use with Outdoor Accents decorative hardware and STN22 hex-head washer (sold separately) for an appealing look
  • Use the Outdoor Accents structural screw without the washer as a wood-to-wood fastener
  • Patented SawTooth point ensures fast starts, reduces installation torque and eliminates the need for predrilling in most applications
  • Under-head nibs offer greater control when seating the head
  • Deep 6-lobe T40 recess provides easy, secure driving (T40 drive bit included)
  • Length: 3-1/2-in
  • Black double-barrier coating provides a premium look while providing a medium level of corrosion protection for many outdoor applications
  • Quantity: 50
  • For best results, use a minimum of 1/2-in low-speed corded drill to install
  • Includes (1) T40 drive bit
  • Common project applications: remodeling, fencing, storage, cabinets, framing
  • Shop all Simpson Strong-Tie here.
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Additional Resources

From the Manufacturer

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Specifications

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Questions & Answers

15Questions
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Q:can these be used instead of lag bolts on beam to frame decking?
by|Jun 21, 2021
1 Answer
Answer This Question

A:  ​Hi Tinjtn, this is Colin from Simpson Strong-Tie. Thank you for your question. The key features of this screw are a black double-barrier finish and its compatibility with our Outdoor Accents connectors. To fasten a wood beam, the 3-1/2" screws may not be an ideal length. Additional information on code-compliant fasteners in residential deck construction can be found in our letter for "Alternate Fasteners for Connection Details in AWC DCA6" (L-F-DCA6SCREW) that can be found by searching for "DCA6" on strongtie.com. If you need more information or have additional questions, please contact the Simpson Strong-Tie Customer Service team at 800-999-5099. We look forward to hearing from you.

by|Jul 10, 2021
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    Q:would these be too long to use on both sides of a 4x4 post flange? they'd hit in the middle right...
    by|May 26, 2021
    1 Answer
    Answer This Question

    A:  Yes, if using with connectors with holes that line up, we would recommend a VERY SLIGHT angling of the screws away from each other. Some holes in our Outdoor Accents products have a slight offset to the hole locations (i.e. The holes on the horizontal flange of the APVT4 is 1 1/2" in from the edge on one side and 1 3/4" in from the edge on the other). Please note, in our many installations for testing and such, we did not see problems with the screws hitting each other. Thank you!

    by|May 27, 2021
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      Q:is there a smaller quantity package, I don't need 50 of them
      by|Mar 12, 2021
      3 Answers
      Answer This Question

      A:  The SDWS22312 is also available in single count (SWS22312DBB-RN1) and 12 count (SDWS22312DBBRC12) packages, but they are not available on the Home Depot website. Please visit your local Home Deport store to order/purchase. Thank you!

      by|Mar 15, 2021

        A:  These screws are also available in packs of 12. Ask for part number SDWS22312DBBRC12. Your Home Depot associate may need to contact our customer service if they do not carry this item at the store. Regards.

        by|Mar 17, 2021

          A:  Yes, they typically carry vacuum sealed packs with smaller quantities.

          by|Mar 15, 2021
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          Q:Could these #12 x 3.5" screws be used to mount wood board batton shutters to the mortar in a bric...
          by|Oct 17, 2020
          2 Answers
          Answer This Question

          A:  This is a wood screw - it has not been tested/rated for attachment to mortar. Thank you!

          by|Oct 19, 2020

            A:  These are designed for wood. A better choice would be TapCon fasteners however those require a hammer drill and a special drill bit.

            by|Mar 17, 2021
              Showing 1-4 of 15
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              Customer Reviews

              4.8 out of 5
              (81)
              • 4.8
                out of 81 reviews
              • 89%recommend this product
              Filter by:
              Showing 1-10 of 81 reviews
              Pavilion materials for less than $1500.00
              Easy to install and very strong.
              by
              • Verified Purchase
              • Recommended
              Really added the finishing touch to a stage facade my husband constructed for a local micro-brewe...
              Really added the finishing touch to a stage facade my husband constructed for a local micro-brewery. He also used the Accents nut shape washers. Rave reviews on the finished product.
              by
              • Verified Purchase
              • Recommended
              Not Structurally Sound
              I built my back porch + stairs using this system. It didn't last a year. The fasteners are designed to look like 1/2" bolts, but are actually 1/4" screws. There are wings in the screw thread, near the tip, the widen the hole in the wood, making it more prone to loosening. I'm replacing mine with proper bolt/washer/nut combo: https://www.homedepot.com/p/Hillman-1-2-in-13-x-4-in-Black-Exterior-Hex-Bolts-261261/310873319 https://www.homedepot.com/p/Hillman-Deck-Bolts-1-2-in-13-Black-Exterior-Hex-Nuts-261251/310873342 https://www.homedepot.com/p/Hillman-Deck-Bolts-1-2-in-Black-Exterior-Flat-Washers-261259/310873351 Much stronger and 1/10th the price.
              by
              Response from Simpson Strong-TieJan 4, 2022
              ​Hi GR, this is Ricardo from Simpson Strong-Tie. Recently, we were granted access to respond to reviews. We appreciate your feedback and are sorry your experience with our Outdoor Accents Structural Wood Screw was less than ideal. We know that's frustrating. If you still need assistance, please call our Customer Service team at 800-999-5099. SimpsonStrongTie
                4 found this review helpful
                These fasterners with the nut heads and steel plates made a great looking pergola/gazebo!
                These fasterners with the nut heads and steel plates made a great looking pergola/gazebo!
                by
                • Verified Purchase
                • Recommended
                Easy to use. No pre-drilling. Used with the hex...
                Easy to use. No pre-drilling. Used with the hex washer and other strong tie products. Great at biting the wood and tightening. Looks great
                by
                • Verified Purchase
                Grabs the wood tight.
                Grabs the wood tight.
                by
                • DIY
                • Verified Purchase
                • Recommended
                In the process of building a playground for the grandkids. This is the only thing I would trust ...
                In the process of building a playground for the grandkids. This is the only thing I would trust to make it safe enough for them to play on. Simpson is a great product and have used many different brackets they make and I love them all. I have also built a structure, pergola if you will, over my koi pond. I would and have recommended them to others. They are very durable. They give the professional look to any structure. Most people look at what we’ve built and think we payed top dollar to have it installed when actually my husband and I did it ourselves with absolutely no carpentry skills at all. Simpson Strongtie made it easy. Planning on putting up a patio cover next and then who knows. Maybe a Kiddie Shack for the grandkids. Thank you Simpson Strongtie for making things possible.
                by
                • Verified Purchase
                • Recommended
                Great innovative product again from Simpson. Be aware that this is one part of a two-part connect...
                Great innovative product again from Simpson. Be aware that this is one part of a two-part connection. The washer part of the assembly seem to be hard to get your hands on. (Be it from vendor stock par levels not being high enough or supply and demand) At the time of this review I've been waiting 22 days for them to return into stock. The structural screw isn't priced bad 52 cents each at the time of this review, but the hex head washer is steep for what it is ($1.64 at time of review) Take one of the gable plates in this series for example; the gable plate is a 20 connector plate. One gable plate itself is roughly $100 and you need another $43.20 in hardware to make the necessary connections.
                by
                • Verified Purchase
                • Recommended
                I bought these because it was a recommendation for the...
                I bought these because it was a recommendation for the Stix Engineered structural timber posts that I bought. First off they only come in limited lengths. 3-1/2” Is the shortest in this thickness. That’s my first gripe. My second gripe is you need to use the hex head washer with them. They are sold separately. The “T” brackets and the post base screw holes are sized for them. So if you’re using any of those hardware know that going in. The hex head washers are nice heavy quality. Aesthetically they look nice. They also take away about a 1/2” length of the structural screws when used together. The post bases and “T” brackets mounting holes are offset from each others do the screws do not run into each other from opposing sides. I DO NOT RECOMMEND THE STIX ENGINEERED STRUCTURAL WOOD POSTS. That was a mistake I wish I had not made. Two of the six I bought cracked when installing the structural screws. That’s after predrilling them. one post was already cracked when I opened the box. So I hope this helps with your decision on whether or not to purchase these products. Thanks for reading. I included some photos for you.
                by
                Response from Simpson Strong-TieJan 20, 2023
                Hello again Chad. I am Colin with Simpson Strong Tie. I just responded to your 3-star review of the Black Powder-Coated Hex-Head Washers. But to address your further concerns we also have the 2" and 5-1/2" SDWS Black Screws in the Outdoor Accents product line, SDWS25200DBB and SDWS22512DBB respectively. Again, thank you for your feedback. We’re sorry to see your experience with our Outdoor Accents products did not meet your expectations. We value our customers and are committed to providing exceptional products and service. To see how we can best resolve any problems, please reach out to our Customer Service team by calling 800-999-5099 SimpsonStrongTie
                • Verified Purchase
                by
                • Verified Purchase
                Showing 1-10 of 81 reviews

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