Product Features
Product Description
Simpson Strong-Tie 1/4" x 1-3/4" Strong-Bolt 2 Wedge Anchor in 304 Stainless Steel (Model No. STB2-251344SS) is a high-performance wedge-type expansion anchor engineered for demanding concrete fastening applications. Manufactured entirely from Type 304 Stainless Steel, this anchor delivers long-lasting corrosion resistance across a wide variety of service environments, making it an optimal choice where moisture, chemicals, or outdoor exposure are concerns.
Key Features
- Constructed from Type 304 Stainless Steel throughout the anchor body, nut, and washer for superior corrosion resistance
- Clip manufactured from Type 304 or Type 316 Stainless Steel for additional durability
- Code listed for both cracked and uncracked concrete applications
- Engineered to perform in seismic and high-wind conditions
- Dual undercutting embossments on each clip segment enable secondary expansion should a crack form and intersect the anchor location
- Secondary expansion feature significantly increases the ability of Strong-Bolt 2 to carry load if the hole expands
- Wedge-type expansion mechanism provides reliable, high-performance anchoring
Specifications
- Model Number: STB2-251344SS
- Coating/Material: Type 304 Stainless Steel
- Size: 1/4 x 1-3/4 in.
- Drill Bit Diameter: 1/4 in.
- Thread Length: 1-1/3 in.
- Anchor Body Material: Type 304 Stainless Steel
- Nut Material: Type 304 Stainless Steel
- Washer Material: Type 304 Stainless Steel
- Clip Material: Type 304 or Type 316 Stainless Steel
- Anchor Type: Wedge-Type Expansion Anchor
- Brand: Simpson Strong-Tie
- Packaging: Packs of 100 and Cartons of 500
Approved Applications
- Cracked concrete installations
- Uncracked concrete installations
- Seismic applications
- High-wind condition applications
- Corrosive or moisture-exposed service environments
Frequently Asked Questions
- What makes the Strong-Bolt 2 suitable for cracked concrete?
- The Strong-Bolt 2 features dual undercutting embossments on each clip segment that enable secondary expansion should a crack form and intersect the anchor location. This design significantly increases the anchor's ability to carry load even when the hole expands due to cracking.
- Is this anchor appropriate for outdoor or corrosive environments?
- Yes. The anchor body, nut, and washer are all manufactured from Type 304 Stainless Steel, which offers long-lasting corrosion resistance for a wide variety of service environments where moisture or chemical exposure may be a concern.
- What drill bit size is required to install the STB2-251344SS?
- A 1/4-inch diameter drill bit is required for installation of this wedge anchor.
- Is this anchor code listed for seismic applications?
- Yes. The Strong-Bolt 2 is code listed for both cracked and uncracked concrete applications and is an optimal choice for high-performance use 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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