SMGHRC 55Helix angle 42⁰/40⁰4 flutesCoating : Arti-Co
NMGHRC 65Helix angle 42⁰/40⁰4 flutesCoating: AlTiSin
SMGHRC 55Helix angle 42⁰/40⁰4 flutesCoating: AlCrN
NMGHRC 65Helix angle 42⁰/40⁰4 flutesCoating: AlCrN