Product Features
Product Description
Simpson Strong-Tie 1/4" x 3-1/4" Strong-Bolt 2 Wedge Anchor, 316 Stainless Steel is a high-performance wedge-type expansion anchor engineered for demanding concrete anchoring applications. Manufactured entirely from Type 316 stainless steel - including the anchor body, nut, washer, and clip - this anchor delivers long-lasting corrosion resistance across a wide variety of service environments. Code listed for both cracked and uncracked concrete, it is an optimal choice for high-performance installations even in seismic and high-wind conditions.
Key Features
- Constructed entirely of Type 316 stainless steel for superior, long-lasting corrosion resistance
- Code listed for cracked and uncracked concrete applications
- Optimized for high-performance in seismic and high-wind conditions
- Dual undercutting embossments on each clip segment enable secondary expansion if a crack forms and intersects the anchor location
- Secondary expansion feature significantly increases the ability to carry load if the hole expands
- Wedge-type expansion design for reliable, consistent holding strength
Specifications
- Model Number: STB2-253146SS
- Coating/Material: Type 316 Stainless Steel
- Size: 1/4 x 3-1/4 in.
- Drill Bit Diameter: 1/4 in.
- Thread Length: 2 4/9 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
- Packaging: Packs of 100 and Cartons of 500
Approved Applications
- Cracked concrete anchoring applications
- Uncracked concrete anchoring applications
- Seismic zone installations
- High-wind condition installations
- Corrosive or moisture-prone service environments
Frequently Asked Questions
- Is the Strong-Bolt 2 (STB2-253146SS) suitable for use in cracked concrete?
- Yes. The Strong-Bolt 2 is code listed for both cracked and uncracked concrete applications. Its dual undercutting embossments on each clip segment enable secondary expansion should a crack form and intersect the anchor location, significantly increasing its ability to carry load if the hole expands.
- What material is this wedge anchor made from?
- All components - including the anchor body, nut, washer, and clip - are manufactured from Type 316 stainless steel, providing long-lasting corrosion resistance for a wide variety of service environments.
- What drill bit diameter is required to install this anchor?
- Installation requires a 1/4 in. diameter drill bit, which matches the anchor size of 1/4 x 3-1/4 in.
- Can this anchor be used in seismic or high-wind applications?
- Yes. The Strong-Bolt 2 wedge-type expansion anchor is specifically noted as an optimal choice for high-performance applications even in seismic and high-wind conditions.
Note: Product dimensions and/or thread length may differ from picture. Please see the item description above for specifications.
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