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Deck-Drive™ DCU COMPOSITE Screw 

The Deck-Drive DCU Composite screw is engineered to provide beautiful fastening results for all types of composite decking while also offering greater ease of installation, a clean finish and superb corrosion resistance. The Deck-Drive DCU is the go-to-screw for all your composite decking applications, eliminating the need to mix and match screws to the decking.

Deck-Drive DCU Composite decking screws are available in carbon steel with our Quik Guard® coating. For superior corrosion resistance in marine or high-exposure environments, choose the appropriate stainless-steel DCU screw (Type 305 or Type 316). DCU screws provide a clean finish because of their special head design and are available in a wide range of colors, matched to blend with most major decking manufacturers. These are bulk screws, also available collated for the Quik Drive® auto-feed screw driving system.

The 2" Deck-Drive DCU Composite screws are designed to be the fastener of choice for PVC and composite decking, trim and cladding, including composite decking and cladding products, wood/plastic composites, encapsulated wood/plastic composites and HDPE (high-density polyethylene). In addition, the DCU SS screw is the ideal solution for PVC decking.

Key Features

  • Available in carbon steel, as well as Type 305 and Type 316 stainless steel for high to severe levels of corrosion resistance
  • Tri-lobe thread design reduces damage to the composite board while driving
  • Inverted upper threads clear excess material to ensure that the screw has a clean finish
  • Unique cut point penetrates composite decking with ease for fast starts
  • Cap head prevents mushrooming and material from rising up above the deck for a smoother, clean-looking installation
  • The 2 3/4" length is an approved fastener by Trex® for Trex composite decking
  • The 2 3/4" length is also available collated for the Quik Drive system
  • See Composite-Decking Color Cross-Reference chart for color matching information
  • Replacement bit part number: BIT20T-2-R2
  • Compatible with color-matching DCU Screw Plugs, see Deck-Drive Screw Plug Solution

Applications

  • Fastening composite decking boards

Related Links

Catalog Pages

Related Literature

Fastening Systems Catalog
C-F-2023
A catalog including new product information as well as any applicable specification and installation instructions for Simpson Strong-Tie® fasteners and Quik Drive® systems.
Catalog
Fastening Systems Technical Guide
C-F-2023TECHSUP
A technical document featuring engineering information for structural fasteners featured in the C-F-2023 Fastening Systems Catalog.
Catalog
Guía técnica de los sistemas de sujeción
C-F-2023TECHSP
Un documento técnico información de ingeniería para los sujetadores estructurales que se incluyen en el C-F-2019SP Catálogo de sistemas de sujeción.
Catalog
Sistemas de sujeción
C-F-2023SP
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®.
Catalog
Fastening Systems Technical Supplement for Canada
C-F-2017CANADD
A technical information addendum for Simpson Strong-Tie Fasteners in Canada.
Catalog
Deck Connection and Fastening Guide
F-DECKCODE22
A guide to deck building and for retrofitting safer, longer-lasting outdoor decks, with 2018 and 2021 IRC/IBC code-compliant solutions for using the latest anchors, connectors and fasteners.
Product Guide
Now You See It. Now You Don't.
F-F-SCRWPLUG24
A flier providing product and installation information for the Deck-Drive™ DCU Screw Plug Solution.
Flier
Deck Drive™ DCU Composite Screws
S-F-DCU23
A sales flier for the 2" Deck-Drive™ DCU Composite screws.
Flier
Deck-Drive™ DCU Composite Screws
F-F-DCU23
A flier promoting the 2" Deck-Drive™ DCU Composite screw designed for use with composite decking and cladding.
Flier
Match Our Screw Colors to Your Decking
S-F-CMG23
A sales flier mapping Simpson Strong-Tie fastener coating colors to major manufacturers' deck board colors.
Flier
OEM Product Line Card
S-OM-LCARD23
A flier featuring the wide range of product categories that Simpson Strong-Tie offers as possible solutions within the OEM space.
Flier
We Have a Match for Any Deck Board — Painted-Head, Stainless-Steel Deck Screw Solutions
S-F-PNTHDSS23
A sales flier promoting Simpson Strong-Tie® painted-head, stainless-steel deck-fastener solutions.
Flier
Premium Composite and PVC Deck-Fastening Solutions
T-F-SCRWPLUGS23
An installation guide providing product and installation information for the Deck-Drive™ DCU Screw Plug Solution.
Installation Guide
Connection Solutions to Meet the DCA6 Prescriptive Residential Wood Deck Construction Guide
T-C-DCA6DECK21
A technical bulletin providing Simpson Strong-Tie connector, fastener and anchor solutions to meet the DCA6 provisions of the 2015 IRC for single-level, residential wood decks.
Technical Bulletin

Product Information Table

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

  1. 350 screws install approx. 100 sq. ft. of decking with framing at 16" on-center spacing.

  2. 1,750 screws install approx. 500 sq. ft. of decking with framing at 16" on-center spacing.
DCU234BR01MB Quik Guard® Coating #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Brown 01 1750
DCU234BR01R350 Quik Guard® Coating #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Brown 01 350
DCU234BR01R70 Quik Guard® Coating #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Brown 01 70
DCU234BR05MB Quik Guard® Coating #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Brown 05 1750
DCU234BR05R350 Quik Guard® Coating #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Brown 05 350
DCU234BR05R70 Quik Guard® Coating #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Brown 05 70
DCU234GR01MB Quik Guard® Coating #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Gray 01 1750
DCU234GR01R350 Quik Guard® Coating #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Gray 01 350
DCU234GR01R70 Quik Guard® Coating #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Gray 01 70
DCU234GR04MB Quik Guard® Coating #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Gray 04 1750
DCU234GR04R350 Quik Guard® Coating #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Gray 04 350
DCU234GR04R70 Quik Guard® Coating #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Gray 04 70
DCU234GRMB Quik Guard® Coating #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Gray 1750
DCU234GRR350 Quik Guard® Coating #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Gray 350
DCU234GRR70 Quik Guard® Coating #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Gray 70
DCU234RD01MB Quik Guard® Coating #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Red 01 1750
DCU234RD01R350 Quik Guard® Coating #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Red 01 350
DCU234RD01R70 Quik Guard® Coating #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Red 01 70
DCU234RDMB Quik Guard® Coating #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Red 1750
DCU234RDR350 Quik Guard® Coating #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Red 350
DCU234RDR70 Quik Guard® Coating #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Red 70
DCU234TN01MB Quik Guard® Coating #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 01 1750
DCU234TN01R350 Quik Guard® Coating #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 01 350
DCU234TN01R70 Quik Guard® Coating #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 01 70
DCU234TN02MB Quik Guard® Coating #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 02 1750
DCU234TN02R350 Quik Guard® Coating #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 02 350
DCU234TN02R70 Quik Guard® Coating #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 02 70
DCU234TN03MB Quik Guard® Coating #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 03 1750
DCU234TN03R350 Quik Guard® Coating #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 03 350
DCU234TN03R70 Quik Guard® Coating #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 03 70
DCU234TNMB Quik Guard® Coating #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 1750
DCU234TNR350 Quik Guard® Coating #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 350
DCU234TNR70 Quik Guard® Coating #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 70
DCU2GRR350 Quik Guard® Coating #10 2 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Gray 350
DCU2GRR70 Quik Guard® Coating #10 2 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Gray 70
DCU234C305 Type 305 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point None 70
DCU234MB305 Type 305 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point None 1750
DCU234MB305BR01 Type 305 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Brown 01 1750
DCU234MB305BR05 Type 305 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Brown 05 1750
DCU234MB305GR Type 305 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Gray 1750
DCU234MB305GR01 Type 305 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Gray 01 1750
DCU234MB305GR04 Type 305 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Gray 04 1750
DCU234MB305GR05 Type 305 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Gray 05 1750
DCU234MB305RD Type 305 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Red 1750
DCU234MB305RD01 Type 305 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Red 01 1750
DCU234MB305TN Type 305 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 1750
DCU234MB305TN01 Type 305 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 01 1750
DCU234MB305TN02 Type 305 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 02 1750
DCU234MB305TN03 Type 305 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 03 1750
DCU234MB305TN05 Type 305 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 05 1750
DCU234P305 Type 305 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point None 350
DCU234P305BR01 Type 305 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Brown 01 350
DCU234P305BR05 Type 305 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Brown 05 350
DCU234P305GR Type 305 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Gray 350
DCU234P305GR01 Type 305 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Gray 01 350
DCU234P305GR04 Type 305 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Gray 04 350
DCU234P305GR05 Type 305 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Gray 05 350
DCU234P305RD Type 305 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Red 350
DCU234P305RD01 Type 305 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Red 01 350
DCU234P305TN Type 305 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 350
DCU234P305TN01 Type 305 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 01 350
DCU234P305TN02 Type 305 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 02 350
DCU234P305TN03 Type 305 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 03 350
DCU234P305TN05 Type 305 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 05 350
DCU234C316 Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point None 70
DCU234C316BR01 Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Brown 01 70
DCU234C316BR05 Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Brown 05 70
DCU234C316GR Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Gray 70
DCU234C316GR01 Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Gray 01 70
DCU234C316GR04 Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Gray 04 70
DCU234C316RD Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Red 70
DCU234C316RD01 Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Red 01 70
DCU234C316TN Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 70
DCU234C316TN01 Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 01 70
DCU234C316TN02 Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 02 70
DCU234C316TN03 Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 03 70
DCU234MB316 Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point None 1750
DCU234MB316BR01 Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Brown 01 1750
DCU234MB316BR05 Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Brown 05 1750
DCU234MB316GR Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Gray 1750
DCU234MB316GR01 Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Gray 01 1750
DCU234MB316GR04 Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Gray 04 1750
DCU234MB316GR05 Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Gray 05 1750
DCU234MB316RD Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Red 1750
DCU234MB316RD01 Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Red 01 1750
DCU234MB316TN Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 1750
DCU234MB316TN01 Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 01 1750
DCU234MB316TN02 Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 02 1750
DCU234MB316TN03 Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 03 1750
DCU234MB316TN05 Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 05 1750
DCU234P316 Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point None 350
DCU234P316BR01 Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Brown 01 350
DCU234P316BR05 Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Brown 05 350
DCU234P316GR Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Gray 350
DCU234P316GR01 Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Gray 01 350
DCU234P316GR04 Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Gray 04 350
DCU234P316GR05 Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Gray 05 350
DCU234P316RD Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Red 350
DCU234P316RD01 Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Red 01 350
DCU234P316TN Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 350
DCU234P316TN01 Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 01 350
DCU234P316TN02 Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 02 350
DCU234P316TN03 Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 03 350
DCU234P316TN05 Type 316 Stainless Steel #10 2 3/4 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point Tan 05 350
DCU2C316 Type 316 Stainless Steel #10 2 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point None 70
DCU2P316 Type 316 Stainless Steel #10 2 0.230 T20 6-Lobe Cap Head Tri-Lobe Threads Type-17 Point None 350


Load Tables

DCU COMPOSITE Screw — Allowable Uplift for PVC, Composite, and HDPE Deck Boards Fastened to Southern Pine Framing

DCU COMPOSITE Screw — Allowable Uplift for PVC, Composite, and HDPE Deck Boards Fastened to Southern Pine Framing
  1. Allowable uplift is limited by fastener pull-through value, which is the lessor of fastener pull-through and withdrawal. No other properties of the deck materials or deck construction are considered.
  2. Withdrawal property is based on duration of load of CD = 1.6 and wet service factor of CM = 0.7.


Code Reports & Compliance

Drawings

PDF DWG DXF RFA IFC SAT

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