COUNTERSINK CUTTER 3 FLUTES 90° or 60° in HSS HRC 63 from Ø 8,3 to Ø 16,5
You can fit them in all the Polledri mandrels of the same group.
These cutters with 3 flutes are manufactured to solve in rational way all the problems of countersinking.
Their main characteristic, as well as the possibility to execute simultaneous operations with pilots or drills, is high performance
without vibration.