Simpson 12-3/8" Bolted Holdown Hot-Dip Galvanized HD7BHDGThe 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. Model No. HD7BHDG Ga. 10 SB (in.) 3 HB (in.) 5 1 4 W (in.) 2 1 2 H (in.) 12 3 8 B (in.) 2 1