Strong-Bolt® 2
CODE LISTED
The Strong-Bolt® 2 wedge anchor is the next-generation solution for cracked and uncracked concrete. Following rigorous testing according to ICC-ES acceptance criteria, the Strong-Bolt 2 anchor received classification as a Category 1 anchor, the highest attainable anchor category for performance in cracked concrete under static and seismic loading. Available in stainless steel, it is code-listed by ICC-ES under the 2009 IBC requirements for post-installed anchors in cracked and uncracked concrete.
Available in the popular 3/8" diameter, the
The Strong-Bolt 2 wedge anchor in type 316 stainless steel also offers optimum performance in both cracked and uncracked concrete, meeting 2009 IBC standards for post-installed anchors. This wedge anchor is ideal for corrosive environments, including construction in coastal areas, wastewater and sewage treatment facilities, food processing facilities, pulp and paper mills, and other high-exposure environments.
GALLERY: roll over images below to see larger image
Strong-Bolt® 2 wedge anchor
The proprietary design of the tri-segmented clip has dual undercutting embossments on each segment, which enable secondary or "followup" expansion if a crack forms and intersects the anchor location. This significantly increases the ability of the Strong-Bolt® 2 wedge anchor to carry load if the hole expands as a result of the crack.
FEATURES
- Category 1 anchor classification: The Strong-Bolt 2 anchor received classification as a Category 1 anchor, which is established by performance in reliability tests in accordance with AC193 and ACI355.2 test criteria. Category 1 is the highest attainable anchor category for reliability.
- Tri-segmented clip: Each segment adjusts independently, increasing follow-up expansion should the hole increase in size as a result of a crack.
- Dual embossments on each clip segment: Enables clip to undercut into the concrete thereby increasing follow-up expansion should a crack occur.
- The 3/8" anchor solution approved for 3 ¼" concrete thickness: The Strong-Bolt 2 anchor can be installed in cracked concrete with a minimum thickness of 3 ¼", including concrete-over-metal decking.
- High-strength alloy clip on carbon-steel anchors: This special alloy clip offers improved performance.
- Standard (ANSI) fractional anchor: Fits most fixtures and installs with common drill bit sizes and tools.
- Type 316 stainless-steel clip on stainless steel anchors: In addition to superior corrosion resistance, a stainless-steel clip offers "memory" that contributes to the anchor's performance if the hole increases in size because of a crack.
MATERIAL
Carbon-steel stud with special alloy clip; stainless-steel stud with stainlesssteel clip.
FINISH
Zinc-plated (carbon-steel)
CODE REPORTS
- ICC-ES ESR-3037 (PDF) (carbon and stainless steel - in cracked and uncracked concrete)
- IAPMO UES ER-240 (PDF) (carbon steel in CMU)
- Florida Statewide Product Approval FL15731
- City of Los Angeles RR 25891 (PDF) (carbon and stainless steel - in cracked and uncracked concrete)
- City of Los Angeles RR 25936 (PDF) (carbon steel in CMU)
- Underwriters Laboratories FIle Ex3605
- Factory Mutual 3043442 and 3047639
- State of Florida – pending
TEST CRITERIA
The Strong-Bolt 2 wedge anchor has been tested in accordance with the ICC-ES Acceptance Criteria for Mechanical Anchors in Concrete Elements (AC 193) and ACI 355.2 for the following:
- Static tension and shear loading in cracked and uncracked concrete
- Seismic and wind loading in cracked and uncracked concrete
- Performance in cracked concrete
- Performance in lightweight concrete over metal deck
Material Specifications

- Zinc meets ASTM B 633, Class SC 1 (Fe / Zn 5), Type III.


LINKS:
- Load Tables and Performance Data
- Load Adjustment Factors
- Design Example
- Supplemental Information for Mechanical Anchors
- Documents:
- Anchor Catalog Section (PDF)
- NEWProduct Submittal Generator
- A New Standard in Cracked-Concrete Wedge Anchors Flier (PDF)
- Anchoring Solutions for Mechanical, Electrical and Plumbing TradesFlier (PDF)
- Material Safety Data Sheet (PDF)
- Material Safety Data Sheet en Español (PDF)
- Material Safety Data Sheet en Français (PDF)
- Free Software:
Length Identification Head Marks on Strong-Bolt® 2 Wedge Anchors
(corresponds to length of anchor – inches)
Strong-Bolt® 2 Anchor Product Data
Carbon Steel Strong-Bolt® 2 Wedge Anchor Installation Information1
- The information presented in this table is to be used in conjunction with the design criteria of ACI 318 Appendix D.
- The clearance must comply with applicable code requirements for the connected element.
- For the 2006 IBC, do replaces da.
- For the 2003 IBC, fut replaces futa.
Stainless Steel Strong-Bolt® 2 Wedge Anchor Installation Information1
- The information presented in this table is to be used in conjunction with the design criteria of ACI 318 Appendix D.
- The clearance must comply with applicable code requirements for the connected element.
- For the 2006 IBC, do replaces da.
- For the 2003 IBC, fut replaces futa.


