#7 x 1" Simpson Strong-Tie DWP T15 Trim Head Wood Screw - 305 Stainless Steel, Pkg. 5,000 CJT Concealed Joist Ties No Post Modification Needed: Installs

No Post Modification Needed: Installs without drilling into the post

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

Whether you're suspending HVAC ductwork

The wings will cut a clearance hole through the board and snap off upon engaging the steel

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

#7 x 1" Simpson Strong-Tie DWP T15 Trim Head Wood Screw - 305 Stainless Steel, Pkg. 5,000 CJT Concealed Joist Ties No Post Modification Needed: InstallsThe 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