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Outdoor Accents® Structural Wood Screw 

Outdoor Accents® Mission Collection®

This product's information may differ depending on the category of use. You are currently viewing details related to Outdoor Accents® Mission Collection®. You can also view product information related to the categories of: Outdoor Accents® Essentials, Outdoor Accents® Avant Collection™, Exterior Wood Screws

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 is now available in three sizes: 2", 3 1/2" and 5 1/2", and 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" and 5 1/2" screws are ideal for structural applications. They feature a bold thread design that enables superior holding to attach ledgers and other secure connections. The 2" screw is ideal for use with 2x lumber, and for adding style to any DIY project. Note: The 2” screw has lower load values than the 3 ½” and 5 ½” screws. It may not be substituted where the longer screws are required.

Key Features

  • Use with Outdoor Accents decorative hardware and STN22 hex-head washer for an appealing look
  • Use Outdoor Accents structural screw without the washer as a wood-to-wood fastener
  • Deep 6-lobe T40 recess provides easy, secure driving (T40 drive bit included in multi-count packages)
  • Patented SawTooth® point (3 1/2" and 5 1/2" screws only) ensures fast starts, reduces installation torque and eliminates the need for predrilling in most applications; Type-17 point on 2" screw ensures fast starts
  • Black double-barrier coating offers premium look while providing a medium level of corrosion protection for many outdoor applications
  • Code listed in IAPMO-UES ER-192

Product Includes

  • Single-count SKUs (SDWS22312DBB-RN1, SDWS22512DBB-RN1) include the Outdoor Accents hex-head washer (STN22)
  • Multi-count SKUs include 6-lobe driver bit
  • T40 6-lobe bit replacement uses BIT40T-134-R2

Patent Information

  • US Patents 9,523,383; 11,181,138

Finish

  • Double-barrier black proprietary coating

Related Links

Catalog Pages

Related Literature

Outdoor Accents® decorative hardware. Where great backyards begin.
S-C-OA24
A sales flier featuring the Outdoor Accents® decorative hardware line, with inspirational photos, product information and ideas for outdoor living construction.
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Conectores para la construcción con madera 2024–2025
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El catálogo incluye información sobre nuevos productos, así como especificaciones e instrucciones de instalación aplicables para conectores estructurales de madera a madera y de madera a concreto.
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Fastening Systems Catalog
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A catalog including new product information as well as any applicable specification and installation instructions for Simpson Strong-Tie® fasteners and Quik Drive® systems.
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Fastening Systems Technical Guide
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A technical document featuring engineering information for structural fasteners featured in the C-F-2023 Fastening Systems Catalog.
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Wood Construction Connectors 2024-2025
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A catalog including new product information as well as any applicable specification and installation instructions for wood-to-wood and wood-to-concrete structural connectors.
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Guía técnica de los sistemas de sujeción
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Un documento técnico información de ingeniería para los sujetadores estructurales que se incluyen en el C-F-2019SP Catálogo de sistemas de sujeción.
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Sistemas de sujeción
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Catálogo que incluye información sobre productos nuevos y las instrucciones de instalación y especificaciones correspondientes para los sujetadores Simpson Strong-Tie® y los sistemas Quik Drive®.
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Fastening Systems Technical Supplement for Canada
C-F-2017CANADD
A technical information addendum for Simpson Strong-Tie Fasteners in Canada.
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Outdoor Accents Avant Collection - Project Worksheet
DIY-C-OAACWS20
A worksheet featuring all connectors and fasteners in the new Outdoor Accents® Avant Collection™ in table form so users can calculate the number of fasteners and washers needed.
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Feuille de calcul pour le projet
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Une brochure à trois volets répertoriant tous les produits de la gamme de quincaillerie de décoration Outdoor Accents® en format de feuille de calcul pour les clients.
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Une feuille de travail offrant tous les connecteurs et fixations dans le nouveau Outdoor Accents® Avant Collection™ sous forme d’un tableau afin que vous puissiez calculer la quantité requise.
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Outdoor Accents® Mission Collection® Project Worksheet
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A tri-fold brochure listing all of the products in the Outdoor Accents Mission Collection decorative hardware line in worksheet format.
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Strong-Tie DIY - Projects for a strong and beautiful home
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A booklet featuring practical and attractive DIY projects for home and yard using Simpson Strong-Tie® connectors and fasteners, including Outdoor Accents®.
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Strong-Tie DIY - Proyectos para una casa resistente y hermosa
S-HOMPRJCTS18SP
Un catálogo con proyectos prácticos y atractivos DIY para el hogar y el patio que utilizan conectores y sujetadores Simpson Strong-Tie® y accesorios Outdoor Accents®.
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An Easy Way to Build a Strong, Beautiful Pergola
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Product Information Table

Fastener Production Information and Stuff & Things
Model No. Coating/Material Length (in.) Head Diameter (in.) Shank Diameter (in.) Drive Type Head Type Thread Length (in.) Point Type Color Packaging Qty. Carton Qty.
Footnotes

  1. Single-unit models SDWS22312DBB-RN1 and SDWS22512DBB-RN1 include (1) STN22 Outdoor Accents hex-head washer.
SDWS22312DBB-R50 Double-Barrier Coating 3 1/2 0.760 0.220 T40 6-Lobe Low Profile Head 2 SawTooth® Point Black 50 6
SDWS22312DBBRC12 Double-Barrier Coating 3 1/2 0.760 0.220 T40 6-Lobe Low Profile Head 2 SawTooth® Point Black 12 10
SDWS22312DBB-RN1 Double-Barrier Coating 3 1/2 0.760 0.220 T40 6-Lobe Low Profile Head 2 SawTooth® Point Black 1 20
SDWS22512DBB-R50 Double-Barrier Coating 5 1/2 0.760 0.220 T40 6-Lobe Low Profile Head 3 SawTooth® Point Black 50 6
SDWS22512DBBRC12 Double-Barrier Coating 5 1/2 0.760 0.220 T40 6-Lobe Low Profile Head 3 SawTooth® Point Black 12 10
SDWS22512DBB-RN1 Double-Barrier Coating 5 1/2 0.760 0.220 T40 6-Lobe Low Profile Head 3 SawTooth® Point Black 1 20
SDWS25200DBB-R50 Double-Barrier Coating 2 0.760 0.250 T40 6-Lobe Low Profile Head 1 1/4 Type-17 Point Black 50 6
SDWS25200DBBRC12 Double-Barrier Coating 2 0.760 0.250 T40 6-Lobe Low Profile Head 1 1/4 Type-17 Point Black 12 5

Product Information Tables

Black Double-Barrier Coating
Size Dia. x L (in.) Thread Length (in.) Retail Pack Quantity Master Carton Quantity Model No.
0.220 x 3 1/2 2 12 10 SDWS22312DBBRC12
0.220 x 3 1/2 2 50 6 SDWS22312DBB-R50
0.220 x 5 1/2 2 3/4 12 10 SDWS22512DBBRC12

Load Tables

Outdoor Accents® Structural Wood Screw with Hex-Head Washer — Wood to Wood/Steel Side Plate

Model No. Dia. x Length (in.) Thread Length (in.) Allowable Shear Loads (lb.)
2x Wood Side Member 12-ga. Steel Side Member
DF/SP SPF/HF Western Cedar DF/SP SPF/HF Western Cedar
  1. Allowable loads are for connections between two members with full screw thread penetration into the main member.
  2. Allowable loads are shown at a wood load duration factor of CD = 1.0. Loads may be increased for load duration per the building code up to a CD = 1.6. Tabulated values must be multiplied by all applicable NDS adjustment factors.
  3. Minimum spacing, edge, and end distance requirements are per IAPMO-UES ER-192.
  4. Loads are based on installation into the side grain of the wood with the screw axis perpendicular to the face of the member.
  5. “—” indicates conditions not tested.
SDWS25200DBB with STN22 0.25 x 2 1 1/4 — — — 215 170 —
SDWS22312DBB with STN22 0.22 x 3 1/2 2 235 192 179 470 385 320
SDWS22512DBB with STN22 0.22 x 5 1/2 2 3/4 465 430 395 640 495 425

Outdoor Accents® Structural Wood Screw — Wood to Wood

Model No. Dia. x Length (in.) Thread Length (in.) Allowable Shear Loads (lb.) Allowable Withdrawal Loads (lb./in.)
2x Wood Side Member DF/SP SPF/HF Western Cedar
DF/SP SPF/HF Western Cedar
  1. Allowable loads are for connections between two members with full screw thread penetration into the main member.
  2. Allowable loads are shown at a wood load duration factor of CD = 1.0. Loads may be increased for load duration per the building code up to a CD = 1.6. Tabulated values must be multiplied by all applicable NDS adjustment factors.
  3. Minimum spacing, edge, and end distance requirements are per IAPMO-UES ER-192.
  4. Loads are based on installation into the side grain of the wood with the screw axis perpendicular to the face of the member.
  5. “—” indicates conditions not tested.
SDWS25200DBB 0.25 x 2 1 1/4 — — — 172 103 —
SDWS22312DBB 0.22 x 3 1/2 2 255 190 225 164 151 142
SDWS22512DBB 0.22 x 5 1/2 2 3/4 405 405 230 214 187

Code Reports & Compliance

Drawings

PDF DWG DXF RFA IFC SAT

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