Product Features
Product Description
Simpson STB2-623126SSR20 Strong-Bolt 2 - 5/8 in. x 3-1/2 in. Type 316 Stainless-Steel 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. Constructed entirely from Type 316 stainless steel, this anchor delivers long-lasting corrosion resistance across a wide variety of service environments, making it an ideal solution where standard carbon steel anchors would be insufficient.
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
- Standard (ANSI) fractional sizes: fits standard fixtures and installs with common drill bit and tool sizes
- Tested per ACI355.2 and AC193
- Made from Type 316 stainless steel for long-lasting corrosion resistance
- Dual undercutting embossments on each clip segment enable secondary expansion should a crack form and intersect the anchor location, significantly increasing the ability of Strong-Bolt 2 to carry load if the hole expands
- Code listed for cracked and uncracked concrete applications
Specifications
- Manufacturer Part Number (MPN): STB2-623126SSR20
- Brand: Simpson Strong-Tie
- Material: Type 316 Stainless Steel
- Finish: Type 316 Stainless Steel
- Diameter: 5/8 in.
- Length: 3-1/2 in.
- Thread Length: 1-5/8 in.
- Anchor Body Material: Type 316 Stainless Steel
- Nut Material: Type 316 Stainless Steel
- Washer Material: Type 316 Stainless Steel
- Clip Material: Type 316 Stainless Steel
- Required Drill Bit Size: 5/8 in.
- Required Wrench Size: 15/16 in.
- Packaging: Packs of 20 and Cartons of 100
- Country of Origin: China
Approved Applications
- Seismic design categories A through F
- High-wind structural connections
- Cracked and uncracked concrete installations
- Horizontal anchor installations
- Vertical anchor installations
- Overhead anchor installations
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 across seismic design categories A through F. 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 even if the hole expands during a seismic event.
- What size drill bit and wrench are needed to install this anchor?
- The Strong-Bolt 2 STB2-623126SSR20 installs with a 5/8 in. drill bit and requires a 15/16 in. wrench size for installation.
- Why is Type 316 stainless steel used for this wedge anchor?
- Type 316 stainless steel provides long-lasting corrosion resistance for a wide variety of service environments. All components - including the anchor body, nut, washer, and clip - are made from Type 316 stainless steel, making this anchor well suited for applications where exposure to moisture, chemicals, or other corrosive elements is a concern.
- What testing standards has the Strong-Bolt 2 been evaluated against?
- The Strong-Bolt 2 has been tested per ACI355.2 and AC193, and is code listed for both cracked and uncracked concrete applications, ensuring it meets rigorous performance standards for structural anchor installations.
Note: Product dimensions and/or thread length may differ from picture. Please see the item description above for specifications.
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