INTERCHANGEABLES COUNTERBORES TYPE 0W

Counterbores with 2 flutes in HSS HRC 63 from Ø 7 to Ø 16,5.

Counterbores with 2 flutes type W group 0 in HSS hardness 63-HRC from Ø 7 to Ø 16,5, Helix angle 25°. You can fit them in all the Polledri holders of the same group. With rotatory pilots or drills you can execute simultaneous operations. We advise them for materials with long and normal chip.