DS DS/EN 26789
DS DSEN 26789 1994-AUG-23 Assembly tools for screws and nuts - Hand torque tools - Requrements and test methods
DS DSEN 26789 1994-AUG-23 Assembly tools for screws and nuts - Hand torque tools - Requrements and test methods
The standard specifies the requirements and describes the test methods and marking of hand torque tools used for controlled tightening of bolted connections.