Simpson 18 3/4" Heavy Holdown Quick-Install w/Screws HHDQ14-SDS2.5 Solid Sawn Lumber Connectors keeping the job moving efficiently

keeping the job moving efficiently and protecting both the driver bit and the deck board surface from unnecessary damage

Four large hexagon holes are intended for GFCMU and concrete applications

this #10 screw delivers lasting corrosion resistance for exterior and marine-adjacent environments where moisture and weather exposure are constant concerns

diameter machine bolts for installation (sold separately)

Double-shear nailing pattern provides enhanced load transfer at the connection point

Simpson 18 3/4" Heavy Holdown Quick-Install w/Screws HHDQ14-SDS2.5 Solid Sawn Lumber Connectors keeping the job moving efficientlySimpson HHDQ14 SDS2. 5 HHDQ 18 3 4 in. Heavy Holdown with Strong Drive SDS Screws by Simpson Strong Tie is engineered for extra high load applications where reliable, fast installation is critical. This heavy holdown installs directly on the sill plate and is well suited for back to back applications where eccentricity is a concern. Supplied complete with Strong Drive SDS Heavy Duty Connector screws, the HHDQ simplifies the installation process while