Product Features
Product Description
Simpson STB2-50812F20 Strong-Bolt 2 - 1/2 in. x 8-1/2 in. Wedge Anchor, Zinc Plated is a heavy-duty wedge-type expansion anchor from Simpson Strong-Tie, engineered for high-performance anchoring in both cracked and uncracked concrete. Designed to excel even in demanding seismic and high-wind conditions, the Strong-Bolt 2 features dual undercutting embossments on each clip segment that enable secondary expansion should a crack form and intersect the anchor location - significantly increasing load-carrying capacity if the hole expands.
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
- Tested per ACI355.2 and AC193
- Made from zinc-plated carbon steel
- Installs with 1/2 in. drill bit and 3/4 in. wrench size
Specifications
- MPN: STB2-50812F20
- Brand: Simpson Strong-Tie
- Diameter: 1/2 in.
- Length: 8-1/2 in.
- Thread Length: 6 in.
- Material: Carbon Steel
- Coating/Finish: Zinc Plated
- Install With: 1/2 in. drill bit and 3/4 in. wrench size
- Packaging: Packs of 20 and Cartons of 100
- Country of Origin: China
Approved Applications
- Cracked and uncracked concrete anchoring
- Seismic design categories A through F
- High-wind structural conditions
- Horizontal, vertical, and overhead installations
- Static and seismic loading conditions
Frequently Asked Questions
- What makes the Strong-Bolt 2 suitable for seismic conditions?
- The Strong-Bolt 2 is qualified for static and seismic loading conditions across seismic design categories A through F. Its dual undercutting embossments on each clip segment enable secondary expansion should a crack form and intersect the anchor location, which significantly increases its ability to carry load if the hole expands - a critical advantage in seismic and high-wind environments.
- What tools are needed to install this wedge anchor?
- The Simpson Strong-Bolt 2 installs with a 1/2 in. drill bit and a 3/4 in. wrench size, making it straightforward to install in field and construction applications.
- What standards has the Strong-Bolt 2 been tested to?
- The Strong-Bolt 2 has been tested per ACI355.2 and AC193, confirming its performance compliance for use in cracked and uncracked concrete applications.
- Can this anchor be used in overhead or horizontal installations?
- Yes. The Strong-Bolt 2 is suitable for horizontal, vertical, and overhead applications. The chamfered top is specifically designed to prevent mushrooming during installation, ensuring reliable performance across all orientations.
Note: Product dimensions and/or thread length may differ from picture. Please see the item description above for specifications.
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