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consistent installs on job-lot runs
and other engineered wood products for customized framing needs
Durable gray paint finish for corrosion resistance
Drive the screw perpendicular to the metal surface until the pan head sits flush and tight against the material
Install using 1/4" x 3" Strong-Drive SDS Heavy-Duty Connector screws (included)
Simpson HHDQ14-SDS2.5 18 3/4 Heavy Holdown Quick-Install W/Screws - Gray Paint Fairfield Metal consistent installs on job-lot runsThe 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