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The Simpson ECCQ6-7
5 mils of powder coating that resists chalking and fading
Flexible design: Roofjack size accommodates pipes from 7" - 13"
Simpson cement board screws are designed for use with all cement backerboards including HardieBacker
#7 x 2-1/4" Simpson Strong-Tie DWP T15 Trim Head Wood Screw - 305 Stainless Steel, Pkg. 350 Cap Head Composite Deck Screws The Simpson ECCQ6-7The Simpson Strong Tie Deck Drive DWP Trim Head Wood SS Screw is designed for outdoor builds that need strength and long term durability. Made from 305 stainless steel, it offers excellent corrosion resistance for decks, docks, and exterior structures. With its sharp point and efficient thread design, the DWP drives smoothly into wood, engineered wood, and polymer materials while reducing strain on your tools. Available in both hand drive and collated