Product Description
The Simpson HD3BHDG HDB 8-5/8 in. Hot-Dip Galvanized Bolted Holdown from Simpson Strong-Tie is engineered to provide reliable load performance for intermediate-load-range shearwalls, braced-wall panels, and lateral applications in wood construction. This bolted holdown installs with bolts into studs or columns and delivers low-deflection performance across a range of load requirements. The HD3BHDG is well-suited 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
- Light-duty holdown designed for use in shearwalls and braced-wall panels, as well as other lateral applications
- Suitable for back-to-back applications where eccentricity is a concern
- Offers low-deflection performance for a range of load requirements
- Made from 12-gauge steel
- Hot-dip galvanization (HDG) offers extra corrosion resistance for exterior and treated-wood applications
- Install with 5/8-in. anchor bolt and 5/8-in. stud machine bolts
Specifications
- MPN: HD3BHDG
- Brand: Simpson Strong-Tie
- Width (W): 2-1/2 in.
- Height (H): 8-5/8 in.
- Gauge: 12
- Coating: Hot-Dip Galvanized
- Finish: Hot-Dip Galvanized
- Country of Origin: United States
Approved Applications
- Intermediate-load-range shearwalls
- Braced-wall panels
- Lateral applications in wood construction
- Back-to-back installations where eccentricity is a concern
- Exterior applications requiring corrosion resistance
- Treated-wood applications
Frequently Asked Questions
- What fasteners are required to install the HD3BHDG holdown?
- The HD3BHDG is installed with a 5/8-in. anchor bolt and 5/8-in. stud machine bolts into studs or columns.
- Can the HD3BHDG be installed directly on the sill plate?
- Yes. The HD3BHDG can be installed directly on the sill plate or raised above it, offering flexibility depending on the application requirements.
- Why is the HD3BHDG described as self-jigging?
- The self-jigging design ensures the code-required minimum of seven bolt diameters from the end of the post is automatically maintained when the holdown is installed flush with the sill plate, simplifying installation and helping meet code compliance.
- Is the HD3BHDG suitable for exterior or treated-wood applications?
- Yes. The hot-dip galvanized (HDG) finish on the HD3BHDG provides extra corrosion resistance, making it well-suited for exterior and treated-wood applications.
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