Simpson Strong Tie HDB Holdown Bolted

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


  • See table


  • Galvanized or HDG


  • 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
  • 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)

ImageModel No.PriceQuantityAdd to CartWishlist ***
Model No.: HD3BPrice: $13.80
Model No.: HD5BPrice: $30.08
Model No.: HD7BPrice: $41.23
Model No.: HD9BPrice: $50.28

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