Product Description
Simpson HD7BHDG HDB 12-3/8 in. Hot-Dip Galvanized Bolted Holdown is a Simpson Strong-Tie engineered connector designed to provide reliable load resistance for intermediate-load-range shearwalls, braced-wall panels, and lateral applications in wood construction. This bolted holdown installs with bolts directly into studs or columns and delivers low-deflection performance across a range of load requirements. Its unique seat design and self-jigging feature make it a dependable choice for back-to-back applications where eccentricity is a concern, and its hot-dip galvanized finish provides enhanced corrosion resistance for exterior and treated-wood environments.
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
- Features a unique seat design which greatly minimizes deflection under load
- Suitable for back-to-back applications where eccentricity is a concern
- Base made from 3/16-in. steel; body made from 10-gauge steel
- Hot-dip galvanization (HDG) offers extra corrosion resistance for exterior and treated-wood applications
- Install with 7/8 in. anchor bolt and 3/4 in. stud machine bolts
- Made in the United States
Specifications
- MPN: HD7BHDG
- Brand: Simpson Strong-Tie
- Series: HDB
- Width (W): 2-1/2 in.
- Height (H): 12-3/8 in.
- Gauge: 10
- Base Material Thickness: 3/16 in. steel
- Coating: Hot-Dip Galvanized
- Finish: Hot-Dip Galvanized
- Install With: 7/8 in. anchor bolt and 3/4 in. stud machine bolts
- Country of Origin: United States
Approved Applications
- Intermediate-load-range shearwalls
- Braced-wall panels
- Lateral applications in wood construction
- Back-to-back holdown installations where eccentricity is a concern
- Exterior applications requiring enhanced corrosion resistance
- Treated-wood construction applications
Frequently Asked Questions
- What type of fasteners are required to install the HD7BHDG?
- The HD7BHDG is installed with a 7/8 in. anchor bolt and 3/4 in. stud machine bolts. The connector is designed specifically for bolted installation into studs or columns.
- Why is the HD7BHDG described as self-jigging?
- The self-jigging design automatically ensures the code-required minimum of seven bolt diameters from the end of the post when the holdown is installed flush with the sill plate, simplifying installation and helping maintain code compliance.
- What makes the hot-dip galvanized finish beneficial for this holdown?
- Hot-dip galvanization (HDG) provides extra corrosion resistance, making the HD7BHDG suitable for exterior applications and installations involving treated wood, where standard coatings may not offer adequate protection.
- Can the HD7BHDG be used in back-to-back holdown configurations?
- Yes. The HDB series, including the HD7BHDG, is specifically designed to be suitable for back-to-back applications where eccentricity is a concern, making it a versatile solution for a range of structural configurations.
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