Product Features
Product Description
Simpson Strong-Tie 3/8" x 3-3/4" Strong-Bolt 2 Wedge Anchor in 316 Stainless Steel (Model No. STB2-373346SS) is a high-performance wedge-type expansion anchor engineered for demanding concrete fastening applications. Constructed entirely from Type 316 stainless steel - including the anchor body, nut, washer, and clip - this anchor delivers outstanding long-lasting corrosion resistance across a wide variety of service environments, making it an excellent choice for both interior and exterior installations where exposure to moisture or corrosive elements is a concern.
Key Features
- All components - anchor body, nut, washer, and clip - are Type 316 stainless steel for maximum corrosion resistance
- Code listed for both cracked and uncracked concrete applications
- Optimal 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 of the anchor to carry load if the hole expands
- Wedge-type expansion design provides reliable, high-performance concrete anchoring
- 3/8" drill bit diameter matches anchor size for precise installation
Specifications
- Model Number: STB2-373346SS
- Coating/Material: Type 316 Stainless Steel
- Size: 3/8" x 3-3/4"
- Drill Bit Diameter: 3/8 in.
- Thread Length: 2-1/3 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
- Anchor Type: Wedge-Type Expansion Anchor
- Packaging: Packs of 50 and Cartons of 250
Approved Applications
- Cracked concrete installations
- Uncracked concrete installations
- Seismic zone applications
- High-wind condition applications
- Corrosive or moisture-exposed service environments
Frequently Asked Questions
- Is the Strong-Bolt 2 STB2-373346SS suitable for use in cracked concrete?
- Yes. The Strong-Bolt 2 wedge anchor is code listed for both cracked and uncracked concrete applications. Its dual undercutting embossments on each clip segment allow for secondary expansion should a crack form and intersect the anchor location, helping it maintain load-carrying capacity even if the hole expands.
- Why is Type 316 stainless steel used for all components of this anchor?
- All components - including the anchor body, nut, washer, and clip - are made from Type 316 stainless steel to provide long-lasting corrosion resistance across a wide variety of service environments. This makes the anchor particularly well suited for applications where exposure to moisture, chemicals, or other corrosive conditions is expected.
- What drill bit diameter is required to install the STB2-373346SS?
- A 3/8-inch diameter drill bit is required to install this anchor, matching the 3/8-inch anchor diameter for a proper fit in the concrete substrate.
- Is this anchor rated for seismic and high-wind applications?
- Yes. The Strong-Bolt 2 is an optimal choice for high-performance use even in seismic and high-wind conditions, and it is code listed to meet the demands of these challenging structural environments.
Note: Product dimensions and/or thread length may differ from picture. Please see the item description above for specifications.
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