Keep It Tight (But Not Too Tight) by Knowing Your Torque Wrench Accuracy Ranges
In 2017, the International Organization for Standards (ISO) updated its guidelines for the accuracy and calibration of hand torque tools, previously modified in 2003. It was a comprehensive update that split the standard into two parts. The first part, ISO 6789-1:2017, lays out requirements for the design and testing of torque tools to ensure they…