The Tohnichi Torque Wrench is not just
About 1.5 million final tightening operations,
with zero human tightening errors!
Tohnichi provides a wide range of torque equipment designed to fill needs of various applications. Tohnichi offers a wide variety of torque products, including power torque tools, manual torque tools and torque measuring instruments. Available separately, or as tightening assurance or tool management systems, our line is composed of some of the highest quality and most innovative torque equipment on the market.
Tohnichi began manufacturing high quality torque tools in 1949. Our reputation and success have grown by emphasizing strict standards for accuracy, function and durability. Today, Tohnichi are Japan’s largest supplier of torque tools, as well as a leading supplier worldwide.
The Tohnichi torque wrench is classified into two categories; click type and indicating type. Click type is mainly used for a tightening work in which “click” notices reach of set torque value. Indicating type is mainly used for a measurement or inspection work in which a measured value expresses numerically.
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There are two types of torque screwdrivers: signal-type and direct reading models. Click type torque screwdrivers are used primarily for tightening. When the set torque is achieved, rotary slip prevents over-torque, and the hand feels a release of tension, indicating tightened-to-completion. Direct reading torque screwdrivers are used primarily for measuring and inspection. They display numerical measurement values. We also supply Pokayoke (error-proof) torque screwdrivers designed to prevent human tightening errors.
Tohnichi’s lineup of click type torque wrenches includes adjustable types with torque scale, prelock types that have a torque scale but also help prevent human error by making it difficult to change torque value, preset types without a torque scale that are designed for repeated tightening at the same torque, Pokayoke (error-proofing) torque wrenches that help prevent missed tightening, angle wrenches for rotation angle tightening, and types that, in addition to their click function, transmit tightening torque data wirelessly.
Tohnichi offers an excellent lineup of direct reading torque wrenches, including digital, dial and beam types. Our lineup of direct reading torque wrenches includes many interchangeable head types. Our selection of interchangeable heads, the best in the world, is designed to promote excellent work conditions. Some of our direct reading torque wrenches include wireless transmission functions.
All interchangeable head torque wrenches are displayed in our lineup of signal type torque wrenches and direct reading torque wrenches. Tohnichi’s lineup of torque wrenches includes many interchangeable head types. Our selection of interchangeable heads, the best in the world, is designed to promote excellent work conditions.
Tohnichi’s lineup of power torque tools includes pneumatic torque screwdrivers and pneumatic torque wrenches. Our pneumatic torque screwdrivers are equipped with a torque control mechanism we developed and perfected ourselves to promote precision torque control. Our lineup of power torque wrenches includes pneumatic models, electric semi-automatic models, and fully automatic models
Testers are devices designed for calibrating, and are used mainly during periodic calibrations, repairs and setting torque on preset torque tools. Checkers are devices designed for daily checks, and are used to check torque devices.