ASME B107.300-2010 (R2016)

This Standard provides performance and safety requirements for manually operated torque instruments, commonly used for mechanical measurement of torque for control of the tightness of threaded fasteners; manually operated electronic torque instruments with integral or interchangeable heads, including requirements for endurance, torque value ranges, and accuracy for these torque instruments; and electronic torque testers, used for checking manually operated hand-held torque wrenches and screwdrivers. It does not cover products infrequently utilized or those designed for special purposes.

This standard is a consolidation and revision of: B107.14-2004, Hand Torque Tools (Mechanical), B107.28-2005, Electronic Torque Instruments, and B107.29-2005, Electronic Tester, Hand Torque Tools