Product Features
Product Description
Simpson STB2-50434F25 Strong-Bolt 2 - 1/2 in. x 4-3/4 in. Wedge Anchor, Zinc Plated is a high-performance wedge-type expansion anchor from Simpson Strong-Tie, engineered for demanding structural applications in cracked and uncracked concrete as well as masonry. Dual undercutting embossments on each clip segment enable secondary expansion should a crack form and intersect the anchor location, significantly increasing the anchor's ability to carry load if the hole expands - making it an optimal choice for seismic and high-wind conditions.
Key Features
- Code listed for cracked and uncracked concrete, and masonry applications
- 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
- Fully assembled and ready for installation
Specifications
- Manufacturer Part Number (MPN): STB2-50434F25
- Brand: Simpson Strong-Tie
- Diameter: 1/2 in.
- Length: 4-3/4 in.
- Thread Length: 3-1/16 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 200
- Country of Origin: China
Approved Applications
- Cracked concrete
- Uncracked concrete
- Masonry applications
- Horizontal installations
- Vertical installations
- Overhead installations
- Seismic design categories A through F
- High-wind structural connections
Frequently Asked Questions
- Is the Strong-Bolt 2 approved for use in cracked concrete?
- Yes. The Strong-Bolt 2 is code listed for both cracked and uncracked concrete, as well as masonry applications. Its dual undercutting embossments on each clip segment enable secondary expansion should a crack form and intersect the anchor location, helping maintain load capacity even as conditions change.
- What seismic design categories is this anchor qualified for?
- The Strong-Bolt 2 is qualified for static and seismic loading conditions covering seismic design categories A through F - the full range - making it suitable for the most demanding seismic environments.
- What tools are needed to install this wedge anchor?
- Installation requires a 1/2 in. drill bit to bore the hole and a 3/4 in. wrench size to tighten the nut. The chamfered top is designed to prevent mushrooming during installation, helping ensure a clean, reliable set.
- What standards has the Strong-Bolt 2 been tested to?
- The Strong-Bolt 2 has been tested per ACI355.2 and AC193, two widely recognized standards for qualification of post-installed anchors in concrete and masonry.
Note: Product dimensions and/or thread length may differ from picture. Please see the item description above for specifications.
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