Product Features
Product Description
Simpson STB2-37214R50 Strong-Bolt 2 - 3/8 in. x 2-1/4 in. Wedge Anchor is a high-performance wedge-type expansion anchor from Simpson Strong-Tie, engineered for demanding concrete and masonry fastening applications. Featuring dual undercutting embossments on each clip segment that enable secondary expansion if a crack forms and intersects the anchor location, the Strong-Bolt 2 is specifically designed to maintain load-carrying capability even as hole conditions change - making it an optimal choice for seismic and high-wind environments.
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
- Tested per ACI355.2 and AC193
- Dual undercutting embossments on each clip segment enable secondary expansion should a crack form and intersect the anchor location
- Significantly increases the ability to carry load if the hole expands
- Made from zinc-plated carbon steel
Specifications
- MPN: STB2-37214R50
- Brand: Simpson Strong-Tie
- Anchor Type: Wedge-type expansion anchor
- Diameter: 3/8 in.
- Length: 2-1/4 in.
- Thread Length: 1 in.
- Material: Carbon Steel
- Coating/Finish: Zinc Plated
- Anchor Body Material: Carbon Steel
- Nut Material: Carbon Steel ASTM A 563, Grade A
- Washer Material: Carbon Steel ASTM F844
- Clip Material: Carbon Steel ASTM A 568
- Required Drill Bit Size: 3/8 in.
- Required Wrench Size: 9/16 in.
- Packaging: Packs of 50 and Cartons of 250
- Country of Origin: China
Approved Applications
- Cracked and uncracked concrete applications
- Masonry applications
- Seismic design categories A through F
- High-wind conditions
- Horizontal installations
- Vertical installations
- Overhead installations
Frequently Asked Questions
- What tools are needed to install the Simpson Strong-Bolt 2 wedge anchor?
- Installation requires a 3/8 in. drill bit to prepare the hole and a 9/16 in. wrench to tighten the anchor in place.
- Is the Strong-Bolt 2 suitable for use in seismic zones?
- Yes. The Strong-Bolt 2 is qualified for static and seismic loading conditions and is approved for seismic design categories A through F, making it suitable for high-seismic and high-wind applications.
- What makes the Strong-Bolt 2 perform well in cracked concrete?
- The anchor features dual undercutting embossments on each clip segment that enable secondary expansion should a crack form and intersect the anchor location. This significantly increases the ability of the Strong-Bolt 2 to carry load even if the hole expands due to cracking.
- What standards has the Strong-Bolt 2 been tested to?
- The Strong-Bolt 2 has been tested per ACI355.2 and AC193, ensuring compliance with recognized industry standards for wedge-type expansion anchors in both cracked and uncracked concrete and masonry applications.
Note: Product dimensions and/or thread length may differ from picture. Please see the item description above for specifications.
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