Product Features
Product Description
Simpson STB2-62312R20 Strong-Bolt 2 - 5/8 in. x 3-1/2 in. Wedge Anchor is a high-performance wedge-type expansion anchor engineered by Simpson Strong-Tie for demanding structural applications, including seismic and high-wind conditions. Featuring dual undercutting embossments on each clip segment, this anchor provides secondary expansion should a crack form and intersect the anchor location - significantly increasing its ability to carry load if the hole expands. Constructed from zinc-plated carbon steel, the Strong-Bolt 2 delivers reliable holding power in both cracked and uncracked concrete applications across a wide range of installation orientations.
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
- Installs with 5/8 in. drill bit and 15/16 in. wrench size
Specifications
- MPN: STB2-62312R20
- Brand: Simpson Strong-Tie
- Diameter: 5/8 in.
- Length: 3-1/2 in.
- Thread Length: 1-5/8 in.
- Material: Carbon Steel
- Coating/Finish: Zinc Plated
- Drill Bit Size: 5/8 in.
- Wrench Size: 15/16 in.
- Packaging: Packs of 20 and Cartons of 100
- Country of Origin: China
Approved Applications
- Cracked and uncracked concrete applications
- Masonry applications
- 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 applications?
- The Strong-Bolt 2 is qualified for static and seismic loading conditions covering seismic design categories A through F. Its dual undercutting embossments on each clip segment enable secondary expansion if a crack forms and intersects the anchor location, significantly increasing the anchor's ability to carry load even as the hole expands.
- What size drill bit and wrench are required for installation?
- The Strong-Bolt 2 in this size installs with a 5/8 in. drill bit and requires a 15/16 in. wrench for tightening.
- Can this anchor be used in overhead or horizontal installations?
- Yes. The Strong-Bolt 2 is suitable for horizontal, vertical, and overhead applications, making it a versatile choice for a wide range of structural fastening tasks.
- 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 in both cracked and uncracked concrete as well as 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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