Simpson Strong-Tie HD3B – 8-5/8 12-Gauge Zinc-Galvanized Bolted Holdown

Simpson Strong-Tie HD3B – 8-5/8 12-Gauge Zinc-Galvanized Bolted Holdown Product Details The HDB is designed to provide loads for intermediate-load-range shearwalls braced-wall panels and lateral applications in wood construction. This bolted holdown is installed with bolts into studs or columns and offers low-deflection performance for a range of load requirements. The HDB is suitable for back-to-back applications where eccentricity is a concern. Key Features Installed after the placement of concrete and framing is in place Can be installed directly on the sill plate or raised above it Self-jigging ensuring the code-required minimum of seven bolt diameters from the end of the post when installed flush with the sill plate Material Finish Galvanized or HDG Installation See General Notes for Holdowns and Tension Ties Bolt holes shall be a minimum of 1/32 to a maximum of 1/16 larger than the bolt diameter (per 2015/2018 NDS section 12.1.3.2) Stud bolts should be snugly tightened with standard-cut washers between the wood and nut (BPs are required in the City and County of Los Angeles) Specifications: Base/Seat Thickness (in.) – Ga. 12 HB (in.) 4 3/4 SB (in.) 2 1/2 W (in.) 2 1/2 H (in.) 8 5/8 B (in.) 2 1/4 CL (in.) 1.3125 SO (in.) 3/8.