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

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Many adjustable torque wrenches, such as the QL and MTQL models, have a ratchet lever to switch between tightening and loosening (unwinding) modes. But the manual says these can’t be used for unwinding screws and bolts. So what is the ratchet lever for?

What is the difference between QL and QLE?

Which one should I use, QL or QL-MH? Tell me about ease-of-use.

Would you be able to supply me with inch-sized torque wrenches with spanner heads?

If I don’t have a tightening tool, can I still use the RTD500CN?

Do you have left-handed tools in the RTD series?

I’d like to get some dimension drawings.

I’d like to obtain your catalog.

What is the function of a memory pointer?

Do you supply long sockets and bits?

What is the operating environment for your e-catalog?

Can I depend on torque accuracy below the torque meter measurement range?

Can you make custom-designed sockets, bits and interchangeable heads?

What does “width across flats” mean?

What does QL100N4-MH of the "-MH" suffix mean at the end of torque wrench model names?

What does the “15D” or “19D” in the names of Interchangeable head torque wrench and Interchangeable head models mean? - Relationship between Tohnichi’s interchangeable head torque wrenches and interchangeable heads?

Is the accuracy of Tohnichi torque devices stated as a percentage of “full scale” (F.S.) or "reading" (RD)?

When I use a click-type torque wrench (for example, a wrench in the QL series), after sufficient tightening I hear a clicking sound and feel a click as well. What mechanism is involved in this?

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