Simpson 18 3/4" Heavy Holdown Quick-Install w/Screws HHDQ14-SDS2.5 Solid Sawn Lumber Connectors diameter machine bolts for installation

diameter machine bolts for installation (sold separately)

and any environment where the post may be exposed to weather or water splash

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

drill bit diameter is required

Number of Flutes 4

Simpson 18 3/4" Heavy Holdown Quick-Install w/Screws HHDQ14-SDS2.5 Solid Sawn Lumber Connectors diameter machine bolts for installationSimpson 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