FRESA COMPONIBILE 4 TAGLI HSS TIPO N

Counterbores with 4 flutes type N-N/T group 0-1-2 in HSS
hardness 63 HRC, from Ø 7 to Ø 85.
Helix angle 40°.
You can fit them in all the Polledri mandrels of the same
group.
These counterbores are manufactured to solve all the problems of cylindrical head screw counterboring and spot-facing.
With rotatory pilots or drills you can execute simultaneous operations.
We advise them for materials with short and normal chip.

    [cml_media_alt id='1686']COUNTERBORES TYPE N - TECHNICAL SHEETS[/cml_media_alt]

    TECHNICAL SHEETS FRESE N