#7 x 1" Simpson Strong-Tie DWP T15 Trim Head Wood Screw - 305 Stainless Steel, Pkg. 5,000 CJT Concealed Joist Ties #8 sizes have buttress threads

#8 sizes have buttress threads and new dog-eared point to improve drilling through sheathing and metal

EPDM Washer: Forms a watertight seal to protect against moisture and rust

perfect for temporary or adjustable applications

maintain consistent perpendicular angle during fastening

(8) Rigid Tie RTC2Z connectors

#7 x 1" Simpson Strong-Tie DWP T15 Trim Head Wood Screw - 305 Stainless Steel, Pkg. 5,000 CJT Concealed Joist Ties #8 sizes have buttress threadsThe 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