Simpson Strong-Tie HHDQ 15-1/8 in. Holdown w/ Strong-Drive SDS Screws

The HHDQ is designed for extra-high loads and provides ease of installation. This heavy holdown comes with Strong-Drive SDS Heavy-Duty Connector screws, which install easily, reduce fastener slip and provide a greater net section than bolts. The HHDQ is installed directly on the sill plate and is suitable for back-to-back applications where eccentricity is a concern.