Torque conversion

CTB2-G Digital Type Torque Wrench

RoHS For inspections Digital Interchangeable Head Direct Reading Light indicator/buzzer Re-chargeable


  • Detects the original tightened torque applied on the bolt by re-tightening inspection.
  • For re-tightening inspection of tightened bolts.
  • Uses Tohnichi's indigenous new re-tightening torque measurement algorithm (T-point method). (*Patent pending)
  • Detection sensors and software provide a final torque value that is very close to the original applied torque.
  • Internal memory saves up to 999 readings, which can be downloaded via RS232C.
  • Interchangeable head allows for use in a variety of applications.
  • Applicable for international use including the EU region.
  • Compliant with calibration procedures of ISO 6789 Type I Class C.
  • Tohnichi's interchangeable head torque wrenches can be used with our interchange head lineup which offers the best selection in the world, making these wrenches ideal for your work.
  • Also available: CTB2-BT / CTB2-G-BT torque wrenches capable of Bluetooth® data transmissions. *Bluetooth is a registered trademark of SIG, Inc.
  • A Tightening Data Management System can be created for Bluetooth-equipped CTB2-BT / CTB2-G-BT series devices, through use of the special custom-modified TDMS / TDMSHT.

Standard accessories

Standard Accessories: Battery pack (BP-5), QH head, Quick battery charger (BC-3-G).


product dimensions CTB10N2~50N2 product dimensions CTB100N2~360N2 product dimensions CTB500N2-G, 850N2-G