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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)

  • Mission-style enhances the beauty of your outdoor living area
  • Strengthen your outdoor living structure with decorative hardware
  • Quick and easy installation
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Frequently Bought Together


Product Overview

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 screw reduces installation time by driving easily without predrilling. When combined with the patent-pending, load-rated Outdoor Accents structural washer, the solution delivers the decorative appearance of a bolt connection but with a much easier installation than through-bolting. The structural screw and washer are sold separately from each other and the Outdoor Accents connectors. Its bold thread design enables superior holding to attach ledgers and other connections.
  • Use with Outdoor Accents decorative hardware and hex-head washer (sold separately) for an appealing look
  • Use the Outdoor Accents structural wood screw solitarily as a wood-to-wood and engineered-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
  • 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
  • Common project applications: remodeling, fencing, storage, cabinets, framing
  • Shop all Simpson Strong-Tie here.

Info & Guides

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Screw Length
3-1/2 in
Thread Pitch


Color Family
Drive Style
Fastener Plating
Fastener Type
Fastener/Connector Material
Double-Barrier Coating
Finish Family
Head Style
Low Profile Washer
Driver Bit
Materials Fastened
Wood to Wood
Measurement Standard
Package Quantity
Product Weight (lb.)

Warranty / Certifications

Manufacturer Warranty
Limited Warranty

Questions & Answers

Typical questions asked about products:

  • Is the product durable?
  • Is the product easy to use?
  • What are the dimensions of the product?

Customer Reviews

  • 4.8
    out of 61 reviews
  • 89% recommend this product
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Showing 1-10 of 61 reviews
Pavilion materials for less than $1500.00
Easy to install and very strong.
  • 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.
  • 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.
    3 people found this 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!
    • 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
    • Verified Purchase
    Grabs the wood tight.
    Grabs the wood tight.
    • 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.
    • 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.
    • Verified Purchase
    • Recommended
    Good structural screws.
    I used 3 boxes in a large pergola build and they were great. Easy to work with and never stripped with impact driver. The whole strong tie system is way over priced like their competitor ozco. They should be sold by weight like every other screw. Considering the rest of the tie in system, these are more generous at 50 pieces for the price tag… as opposed to the hex head washer pack of 8 for $14 - which is absolutely insane.
    • Verified Purchase
    The low profile head makes these screws a must have...
    The low profile head makes these screws a must have for any special building project.
      Showing 1-10 of 61 reviews