Torque conversion

RTD Adjustable Type Torque Screwdriver

RoHS Assembly Adjustable Manual Loading Graduation Rotary Slip


  • Adjustable torque screwdriver with rotary slip mechanism is idea for various jobs allowing easy change of torque setting.
  • Adjustable type features external scale that can be set simply by twisting the body to line up with desired torque setting and then secured in place with black lock ring.
    • Hexagonal shaped locker prevents driver from rolling when set down on flat surfaces between uses.
  • Rotary slip mechanism prevents over torque.
    • User will sense and hear "click" at set torque and should then stop turning, if user continues, the rotary slip mechanism will ratchet the driver without applying additional torque.
  • Features Tohnichi's toggle clutch torque detection mechanism for enhanced durability.
  • Accepts standard 1/4" hex root shaped bits (sold separately)
  • Includes Certificate of Calibration from ISO factory.
    • NIST Certificates available upon request for additional fee.
  • Models available in SI, Metric, and American units.
    • Select model according to units of measure and required torque range.
  • Applicable for international use including the EU region. Compliant with calibration procedures of ISO 6789 Type II Class D.
  • Counterclockwise tightening model available upon request
torque animation The RTD series is equipped with Tohnichi’s own toggle mechanism for torque control.
The bit on the picture is optional.

Standard accessories

  • Resin grip (for RTD120CN and RTD260CN only) supplied as standard accessory.


product dimensions