Preset torque screwdriver with rotary-slip mechanism to prevent over-tightening.

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“RNTD” Rotary Slip Preset Torque Screwdriver


RNTD60CN (overall length 95 mm)
RNTD120CN (overall length 110 mm)
RNTD500CN with an auxiliary handle (supplied)
The RNTD series is equipped with Tohnichi’s own toggle mechanism for torque control.


  • Used for repeated preset torque tightening during mass production and maintenance.


  • Same features as RTD except designed for tightening small screws.
  • Preset style.
  • Enhanced reliability and durability by adopting toggle clutch torque mechanism.
  • RTD is designed to ratchet freely after reaching the set torque to prevent applying over-torque.
  • Preset style is ideal for applications which requires the same torque value on the line.
  • RNTD500CN comes with an auxiliary handle.
  • Counterclockwise tightening model available upon request. Please contact us.




  • A torque driver tester is necessary for torque setting.
  • Specify required set torque when you order.  Ex. RNTD120CN × 100cN·m
  • Torque adjusting bar is sold separately.
  • Bits are sold separately.

Standard accessory
  • Resin grip (for RTD120CN and RTD260CN only) supplied as standard accessory.
  • Auxiliary tightening bar for RNTD500CN.



Interchangeable Bit


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