Recently, Ultraloq U-Bolt and U-Bolt Pro series are certified as Commercial Grade 1, the supreme standard by American National Standards Institute (ANSI).
According to ANSI standard (ANSI Code 156.36 & 156.25), U-Bolt Series meet the below requirements:
- Proved for more than 250,000 workable times
- Sustained a minimum 3,600 Ibf (16,000N) pull strength
- Undertook at least 75ft - Ibf (100J) for 10 blows
- Withstood extreme temperature from -31℉ to 151℉
- Passed the 240-hour Salt Spray Test