TORQUE CHECKING QC WRENCHES Secure Tools supplies Torque Checking QC Wrenches. A torque checking QC wrench is a specialized tool used to verify or check the torque applied to fasteners or components. It is primarily used in quality control or quality assurance processes to ensure that proper torque specifications are met during assembly or maintenance tasks. Torque checking QC wrenches are typically designed with specific torque settings and are calibrated to provide accurate torque readings. They are often used in conjunction with a torque calibration device to validate the torque applied by other torque wrenches or tools.