The HD5B bolted holdowns incorporate the proven design of our HDQ8 SDS-style holdown and feature a unique seat design which greatly minimizes deflection under load. 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. HDBs are designed to provide loads for intermediate-load-range shearwalls, braced-wall panels and lateral applications. HD holdowns offer the highest allowable loads, providing high capacity for both vertical and horizontal applications. They can be installed back-to-back when eccentricity is an issue.

Quick Overview

    Simpson Strong-Tie offers a wide variety of bolted holdowns offering low-deflection performance for a range of load requirements. HD5B/ — galvanized; HDG available. For stainless steel special order
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Details


Installation Use all specified fasteners; see Holdown and Tension Tie General Notes Bolt holes shall be a minimum of 1/32" to a maximum of 1/16" larger than the bolt diameter (per 2015 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) HD and HDB holdowns are self-jigging and will ensure minimum bolt end distance when installed flush with the sill plate Standard-cut washer is required under the anchor nut for HD12 with 1" anchor and HD19 with 1 1/8" anchors

Additional Information


Manufacturer: Simpson Strong-Tie

 
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