Optional extras :
ER collets for machine taps No. 309399 and 309447.

Application :
On machining centres with synchronised spindles.For compensating the difference in pitch between tap and synchronised spindle.For compensating the pitch tolerances of taps.

Version :
With minimum length adjustment (MLA), by means of a damping element.Internal coolant supply up to 50 bar.Increases the tool life of taps/thread formers.