Product Features
Product Description
Simpson STB2-50414F25 Strong-Bolt 2 - 1/2 in. x 4-1/4 in. Wedge Anchor, Zinc Plated is a high-performance wedge-type expansion anchor from Simpson Strong-Tie, engineered for demanding structural fastening applications in cracked and uncracked concrete as well as masonry. 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 qualified for use in seismic and high-wind conditions across seismic design categories A through F.
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, significantly increasing load-carrying ability if the hole expands
- Tested per ACI355.2 and AC193
- Made from zinc-plated carbon steel
Specifications
- MPN: STB2-50414F25
- Brand: Simpson Strong-Tie
- Diameter: 1/2 in.
- Length: 4-1/4 in.
- Thread Length: 2-9/16 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
- Horizontal installations
- Vertical installations
- Overhead installations
- Seismic and high-wind structural connections (seismic design categories A through F)
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 enable secondary expansion should a crack form and intersect the anchor location, which significantly increases the ability of the anchor to carry load if the hole expands.
- What seismic design categories is the Strong-Bolt 2 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 a wide range of structural applications in high-seismic and high-wind 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 to tighten the anchor. The chamfered top is designed to prevent mushrooming during installation, helping ensure a clean, secure fit.
- What testing standards has the Strong-Bolt 2 been evaluated under?
- The Strong-Bolt 2 has been tested per ACI355.2 and AC193, which are the recognized industry standards for evaluating the performance of mechanical anchors in concrete.
Note: Product dimensions and/or thread length may differ from picture. Please see the item description above for specifications.
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