Polygonal shank taper

The proven polygonal shank taper coupling (PSC) guarantees maximum repetition accuracy and short machine changeover times. Precise positional fixation and large torques are the arguments in favor of polygonal shank tapers. BAHMÜLLER designs and manufactures various custom holders, from PSC32 to PSC100.


  • High stability and precision
  • Transfer of high torques
  • High flexural rigidity
  • Quick-change function and automatic tool change
  • Self-centering