Shrink Discs

Shrink Discs are exterior shaft-locking devices which allow a free of play, keyless connection. The designer is thus provided with an alternative to the feather key connections preferred in high torque ranges.


  • Use with hollow-shaft designs – e.g. shaft mounted gear units
  • Torques up to 1.500.000 Nm
  • Internal diameter up to 480 mm
  • Easy disassembly