Simpson HHDQ11-SDS2.5 15 1/8 Heavy Holdown Quick-Install W/Screws - Gray Paint Quik Drive Steel Decking Systems Sold as a convenient 4-piece

Sold as a convenient 4-piece set

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

High Load Capacity: Engineered to support demanding structural loads in residential and commercial applications

Drill point

Simpson HHDQ11-SDS2.5 15 1/8 Heavy Holdown Quick-Install W/Screws - Gray Paint Quik Drive Steel Decking Systems Sold as a convenient 4-pieceThe 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