Metrology 101: Basic Torque Calibration

by Jerry Eldred

The need for accurate torque measurement spans technologies and industries from missions to Mars, to installing lug nuts on your old pickup truck. When torque is correct, it makes us safer, and helps equipment operate properly. When it is not correct, however, bolts can snap, wheels can fall off, gaskets can burst and many dangerous things can happen. A recent survey of automotive service managers found that 23% of all auto service problems could be traced to incorrect torque.