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When your job calls for a reliable
Self‑Drilling Efficiency: #3 drill point eliminates the need for pre‑drilling into steel studs or track
Wings create a clearance hole in the top material so the shank will not ride up
Web Stiffeners are required for all I-joists used with these hangers
Simpson Strong-Tie Titen Turbo™ Screw Anchors feature a 6-lobe-drive countersunk trim head
Simpson HHDQ11-SDS2.5 15 1/8 Heavy Holdown Quick-Install W/Screws - Gray Paint Quik Drive Steel Decking Systems When your job calls forThe Simpson Strong Tie HHDQ Holdown is a heavy duty structural holdown designed to anchor wood shearwalls and posts to concrete foundations. It transfers extreme uplift and overturning forces from wood framing into the foundation, helping protect structures in high wind and high seismic regions. Built for maximum uplift resistance, the HHDQ series delivers higher load capacity than standard holdowns while maintaining a practical installation