Use accurate torque controls to improve quality! Case examples can be found in torque handbook 8

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Chairman Greetings

Ever since its establishment in 1949, Tohnichi Manufacturing has specialized in bolt and screw tightening and torque measurement, always aiming for greater precision, easier use, and faster operation.


Backed up by the strong support of our customers, we enjoy an excellent reputation worldwide as a premier manufacturer of torque devices.


Our services are geared towards the complete resolution of user problems regarding bolt and screw tightening or torque measurement.


Please use our services for any matters related to tightening of screws and measurement of torque. I am sure we will be of use to you for improving quality. The 21st century is one of safety and environmental conservation, and Tohnichi Manufacturing stands ready to respond to your needs with a high level of comprehensive services.


Hiroshi Tsuji, Chairman of the Board

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