The Simpson Strong-Bolt 2 Wedge Anchor in 5/8" x 10", Type 316 Stainless Steel is a heavy-duty expansion anchor engineered for demanding concrete anchoring applications where long-term corrosion resistance and structural reliability are non-negotiable. Every component - anchor body, nut, washer, and clip - is manufactured from Type 316 stainless steel, delivering uniform protection across the entire assembly. Code listed for both cracked and uncracked concrete, this wedge anchor is well suited for installations subject to seismic and high-wind conditions, making it a dependable choice for critical structural connections in challenging service environments.

Key Features

• All-316 stainless steel construction throughout every component - the anchor body, nut, washer, and clip are all Type 316 stainless steel, so there are no mixed-metal weak points that could corrode faster and compromise the connection over time.
• Code listed for cracked and uncracked concrete - gives installers the flexibility to use a single anchor product across varied slab and wall conditions without having to stock separate anchor types.
• Dual undercutting embossments on each clip segment - allow for secondary expansion if a crack forms and intersects the anchor location, helping maintain load-carrying capacity even as concrete conditions change.
• Engineered for seismic and high-wind applications - meets the performance demands of code-sensitive projects where anchor failure is not an option, reducing liability risk for contractors and engineers alike.
• 5/8" anchor diameter with a matching 5/8" drill bit requirement - the direct size correspondence simplifies installation and eliminates guesswork on the job site.

Why This Product

• Consistent corrosion protection with no compromises - because every single component is Type 316 stainless steel, the anchor resists corrosion uniformly in moisture-rich, chemical-exposed, or otherwise aggressive environments, rather than relying on a coating that can chip or wear.
• Built-in resilience for changing concrete conditions - the secondary expansion capability provided by the dual undercutting embossments means the anchor is designed to maintain holding strength even if a crack develops after installation, a critical advantage in seismic zones.
• Broad code compliance simplifies project approvals - being listed for both cracked and uncracked concrete under seismic and high-wind conditions means this anchor supports a wide range of structural applications without requiring special engineering exceptions.
• A purpose-built wedge-type expansion anchor from Simpson - the Strong-Bolt 2 is specifically engineered for concrete anchoring performance, making it a dependable specification for structural, mechanical, and infrastructure fastening projects where load capacity and long service life are required.

Specifications

• Model Number: STB2-62100S6F10
• Coating/Material: Type 316 Stainless Steel
• Size: 5/8 in. x 10 in.
• Drill Bit Diameter: 5/8 in.
• Thread Length: 6 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 10 and Cartons of 20

Frequently Asked Questions

Is the Strong-Bolt 2 STB2-62100S6F10 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 allow for secondary expansion if a crack forms and intersects the anchor location, helping maintain load-carrying capacity even as conditions change.

Why is Type 316 stainless steel used for all components of this anchor?

Type 316 stainless steel offers long-lasting corrosion resistance that makes it well suited for a wide variety of service environments, including those with exposure to moisture, chemicals, or other corrosive elements. All components - the anchor body, nut, washer, and clip - are manufactured from Type 316 stainless steel to ensure uniform corrosion protection throughout.

What drill bit diameter is required to install this wedge anchor?

Installation requires a 5/8" diameter drill bit, which corresponds directly to the anchor's 5/8" diameter for a proper fit in concrete.

Can this anchor be used in seismic or high-wind applications?

Yes. The Strong-Bolt 2 wedge anchor is specifically engineered to deliver optimal high performance even in seismic and high-wind conditions, and it is code listed for these demanding applications in both cracked and uncracked concrete.

Note: Product dimensions and/or thread length may differ from picture. Please see the item description above for specifications.