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CoroChuck™ 970 High-performance tapping chucks for a secure process

​Since tapping operations are critical the security and quality is important. To achieve a top result, not only the tapping tool is important, but also the tool holder. The new versatile CoroChuck™ 970 is designed for a stable and precise tapping process in all materials.




  • Improves tapping tool life
  • Secure machining process
  • Reduces the risk of cutting oversized threads significantly



  • Synchronized tapping reduces thrust force on tap flanks
  • Accurate depth thanks to limited axial compensation
  • New improved design for internal coolant
  • Suitable for high pressure coolant up to 80 bar (1160 psi)
  • More back-ends to fit your machine



  • Chuck designed to eliminate oversized threading
  • Suitable for all synchronized tapping operations


​Product range

Design​ Coromant Capto®
Coupling Size​
HSK​ Cylindrical​ Weldon​ ER-Size​
SynchroFlex® C3, C4, C5, C6, C8, C10​ 30, 40, 50​ 63, 100​ 12, 16, 20​ 16, 20, 25, 25A​ 8, 11, 20, 25, 40
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