Product Description
Simpson S/HDB 13-1/2 in. Light Steel Bolted Holdown by Simpson is engineered to deliver reliable load capacity for high-load shearwalls, braced-wall panels, and lateral applications in cold-formed steel construction. Designed specifically for bolt-on applications where the cold-formed steel stud manufacturer can prepunch the bolt holes, this holdown features a unique seat design that greatly minimizes deflection under load - giving structural professionals a dependable connection solution where performance and precision are critical.
Key Features
- Flexible installation positioning - can be installed directly on the bottom track or raised above it, giving contractors adaptability across a wider range of framing conditions without additional hardware
- Suitable for back-to-back applications where eccentricity is a concern - allows paired installations to share load symmetrically, reducing stress concentrations in demanding shearwall assemblies
- Unique seat design that greatly minimizes deflection under load - helps maintain structural integrity and wall performance under the high lateral forces common in shearwall and braced-panel applications
- Designed for installation with bolts into the studs or column - ideal for bolt-on applications where prepunched holes in the stud are part of the fabrication process, streamlining field installation
- Made from 118 mil (10 ga.) steel with a Simpson Strong-Tie gray paint finish - heavy-gauge construction provides the strength and corrosion resistance needed for structural cold-formed steel holdown connections
- S/HDB series is distinct from the S/HDS series - if your application calls for screw attachment to a post or column instead of bolts, the S/HDS series is the appropriate alternative, making product selection straightforward
Why This Product
- Built for high-load lateral applications - the S/HDB is specifically designed to handle the demands of high-load shearwalls and braced-wall panels, making it a purpose-engineered choice rather than a general-use connector repurposed for structural duty
- Deflection-minimizing seat design adds real-world reliability - the unique seat geometry directly reduces movement under load, which matters in light-gauge steel framing where connection performance directly affects wall system behavior
- Optimized for prefabrication workflows - compatibility with prepunched bolt holes means cold-formed steel stud manufacturers can prepare components off-site, reducing field labor and improving installation accuracy
- Back-to-back capable with eccentricity addressed - suitability for back-to-back configurations means engineers can specify symmetric holdown pairs without designing around connector limitations, simplifying detailing on complex shearwall layouts
Specifications
- MPN: S/HD10B
- Height: 13-1/2 in.
- Width: 2-5/16 in.
- Gauge: 10 ga. (118 mil)
- Coating/Finish: Simpson Strong-Tie Gray Paint
- Installation Hardware: Install with (3) 3/4 in. diameter bolts to stud and (1) 7/8 in. diameter anchor bolt to structure
- Country of Origin: United States
Approved Applications
- High-load shearwalls
- Braced-wall panels
- Lateral load applications
- Bolt-on applications where cold-formed steel stud manufacturer can prepunch the bolt holes
- Back-to-back applications where eccentricity is a concern
Note: Product dimensions may differ from picture. Please see item description for specifications.
Frequently Asked Questions
How is the S/HD10B holdown installed?
The S/HD10B is designed for installation with bolts into the studs or column. It installs with (3) 3/4 in. diameter bolts to the stud and (1) 7/8 in. diameter anchor bolt to the structure.
Can the S/HD10B be installed in back-to-back configurations?
Yes. The S/HD10B can be installed directly on the bottom track or raised above it and is suitable for back-to-back applications where eccentricity is a concern.
What is the difference between the S/HDB and S/HDS series?
The S/HDB series, which includes the S/HD10B, is designed for installation with bolts. The S/HDS series is intended for attachment to a post or column using screws.
What material and finish is used on the S/HD10B?
The S/HD10B is made from 118 mil (10 ga.) steel and features a Simpson Strong-Tie gray paint finish.
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