Simpson HHDQ11-SDS2.5 15 1/8 Heavy Holdown Quick-Install W/Screws - Gray Paint Quik Drive Steel Decking Systems they feature a hot-dip galvanized

they feature a hot-dip galvanized finish for enhanced corrosion resistance and are available in black powder coat by request

Drill point

Web Stiffeners are required for all I-joists used with these hangers

lasting hold in hardwoods and treated lumber

Wings create a clearance hole in the top material so the shank will not ride up

Simpson HHDQ11-SDS2.5 15 1/8 Heavy Holdown Quick-Install W/Screws - Gray Paint Quik Drive Steel Decking Systems they feature a hot-dip galvanizedThe 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