Product Features
Product Description
Simpson STB2-37334F50 Strong-Bolt 2 - 3/8 in. x 3-3/4 in. Wedge Anchor, Zinc Plated is a high-performance wedge-type expansion anchor from Simpson Strong-Tie, engineered for demanding concrete and masonry fastening applications. Designed to perform reliably in seismic and high-wind conditions, it 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 even as the hole expands.
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
- Installs with 3/8 in. drill bit and 9/16 in. wrench size
Specifications
- Manufacturer Part Number (MPN): STB2-37334F50
- Brand: Simpson Strong-Tie
- Material: Carbon Steel
- Coating: Zinc Plated
- Finish: Zinc Plated
- Diameter: 3/8 in.
- Length: 3-3/4 in.
- Thread Length: 2-5/16 in.
- Installation Drill Bit: 3/8 in.
- Wrench Size: 9/16 in.
- Packaging: Packs of 50 and Cartons of 250
- 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 conditions
Frequently Asked Questions
- Is the Strong-Bolt 2 suitable 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 allow for secondary expansion if a crack forms and intersects the anchor location, helping the anchor continue to carry load even as the hole expands.
- 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 - making it suitable for use in the most demanding seismic environments.
- What tools are needed to install the Strong-Bolt 2?
- Installation requires a 3/8 in. drill bit to bore the hole and a 9/16 in. wrench to tighten the anchor once inserted.
- What standards was this anchor tested to?
- The Strong-Bolt 2 has been tested per ACI355.2 and AC193, ensuring it meets rigorous performance criteria for wedge-type expansion 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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