Torque Wrench Calibration: Why Accuracy Drifts and How Recertification Works
A torque wrench is the only fastening tool on a jobsite that carries a certificate of accuracy, and that certificate has an expiration date. Over time, springs relax, mechanisms wear, and the click that once meant 40 foot-pounds starts firing at 44. In construction, the difference can mean a loose connection, a stripped thread, or […]
