
Screws
Simpson Strong-Tie DCU234P305 Deck-Drive™ DCU COMPOSITE Screw — #10 x 2-3/4 in. T20, Type 305 (350-Qty)
SKU: DCU234P305
Available to Order — Add to Quote
Madison Township Lumber • Matawan, NJ
Product Description
The Type 305 stainless-steel Deck-Drive DCU Composite screw provides corrosion resistance for all types of composite and PVC decking, and is especially suited for applications in environments with chlorides. The DCU penetrates composite decking with a Type-17 point and is engineered with inverted upper threads that clear excess material to ensure a clean, secure installation. Also available with color-matching painted heads to blend with popular manufacturers’ decking for a more concealed, professional finish.
Available Sizes & Options
Product Details
Key Features
- 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
- When used with sleeper assemblies, the 2'' DCU Composite screws should have a minimum penetration of 1" into the wooden roof deck sleeper and should not penetrate through the roof deck sleeper
- 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
- Replacement bit part number: BIT20T-2-R2
Applications
- Fastening composite decking boards
- Fastening roof sleeper assemblies (Use DCU 2'')
Related Links
- Fastening Systems Technical Notes
- Composite-Decking Color Cross-Reference — Match Simpson Strong-Tie screw colors to your decking material
- Deck-Drive DCU Composite Screw also available collated for the Quik Drive system
- Deck-Drive DCU Screw Plug Solution
Catalog Pages
- Fastener Product Information: C-F-2025 (Fastening Systems), pages 91–92
- Fastener Technical Data and Loads: C-F-2025TECHSUP, page 172
Buy Simpson Strong-Tie DCU234P305 Deck-Drive™ DCU COMPOSITE Screw — #10 x 2-3/4 in. T20, Type 305 (350-Qty) in Central New Jersey
Madison Township Lumber & Supply has been serving Matawan, East Brunswick, Sayreville, and all of Middlesex County since 1962.