Collets for Rismatic rotary transfer machines

We provide collets for rotary transfer machines such as Hydromat and Rismatic in the customary Nann quality, with ultra-short delivery times. These collets can usually be reworked from collets in stock – contact us for details.


  • for workpiece clamping
  • no axial movement while chuck is clamping

Bore pattern:

  • smooth

The collets are made from special spring steel. Where possible, by partial tempering, the hardness of the taper and the clamping bore is HRc 58 - 60. The shank guide and the sprung area have been tempered for spring hardness.

Special features:

  • the complete set of collets is adjusted in its length
  • all collets with high running concentricity
  • profiled collets with cross keyways
  • position of shank keyway in relation to profiled bore
  • square, hex. and other profiled bores are eroded resulting in higher running concentricity

Please don’t hesitate to contact us. We will be glad to provide tailormade clamping devices for your requirements.

Art.-no. d D L thread max. bore
Ris-140 E 22 30 55 15 16 85
Ris-162 E 35 43 70 15 25 61,5