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Simpson Strong-Tie HD5B Bolted HDQ8 Style Holdown

Brand: Simpson Strong-Tie Mfg#: HD5B
Product#: 137HD5B
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Simpson Strong-Tie Hd5B Bolted Hdq8 Style Holdown


  • HDB holdowns are self jigging, ensuring that the code-required minimum of seven bolt diameters from the end of the post is met
  • They can be installed directly on the sill plate or raised above it and are suitable for back-to-back applications where eccentricity is a concern
  • HD holdowns offer the highest allowable loads, providing high capacity for both vertical and horizontal applications
  • HDBs are designed to provide loads for intermediate-load-range shearwalls, braced-wall panels and lateral applications
  • The HD5B, HD7B and HD9B bolted holdowns incorporate the proven design of our HDQ8 SDS-style holdown and feature a unique seat design which greatly minimizes deflection under load


  • Brand: Simpson Strong-Tie