Product Features
Product Description
Simpson STB2-50234R25 Strong-Bolt 2 - 1/2 in. x 2-3/4 in. Wedge Anchor is a high-performance wedge-type expansion anchor from Simpson Strong-Tie, engineered for demanding structural fastening in concrete and masonry. Designed to excel even in seismic and high-wind conditions, the Strong-Bolt 2 features dual undercutting embossments on each clip segment that enable secondary expansion if a crack forms and intersects the anchor location - significantly increasing the anchor's ability to carry load should the hole expand. Made from zinc-plated carbon steel, this anchor delivers reliable holding power for horizontal, vertical, and overhead installations.
Key Features
- Chamfered top designed to prevent mushrooming during installation
- Qualified for static and seismic loading conditions (seismic design categories A through F)
- Suitable for horizontal, vertical and overhead applications
- Dual undercutting embossments on each clip segment enable secondary expansion should a crack form and intersect the anchor location
- Significantly increases the ability of Strong-Bolt 2 to carry load if the hole expands
- Tested per ACI355.2 and AC193
- Made from zinc-plated carbon steel
Specifications
- MPN: STB2-50234R25
- Brand: Simpson Strong-Tie
- Diameter: 1/2 in.
- Length: 2-3/4 in.
- Thread Length: 1-1/4 in.
- Material: Carbon Steel
- Coating / Finish: Zinc Plated
- Installation: Installs with 1/2 in. drill bit and 3/4 in. wrench size
- Packaging: Packs of 25 and Cartons of 125
- Country of Origin: China
Approved Applications
- Cracked and uncracked concrete applications
- Masonry applications
- Static loading conditions
- Seismic loading conditions (seismic design categories A through F)
- High-wind structural connections
- Horizontal, vertical, and overhead installations
Frequently Asked Questions
- What tools are needed to install the Strong-Bolt 2 wedge anchor?
- The Strong-Bolt 2 installs with a 1/2 in. drill bit and a 3/4 in. wrench size, making installation straightforward with standard tools.
- Is this anchor rated for seismic applications?
- Yes. The Strong-Bolt 2 is qualified for both static and seismic loading conditions, covering seismic design categories A through F, and has been tested per ACI355.2 and AC193.
- What happens if a crack forms in the concrete at the anchor location?
- The dual undercutting embossments on each clip segment enable secondary expansion should a crack form and intersect the anchor location. This feature significantly increases the ability of Strong-Bolt 2 to carry load if the hole expands.
- Can this anchor be used in overhead applications?
- Yes. The Strong-Bolt 2 is suitable for horizontal, vertical, and overhead applications, and its chamfered top is designed to prevent mushrooming during installation regardless of orientation.
Note: Product dimensions and/or thread length may differ from picture. Please see the item description above for specifications.
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