SMGHRC 65Helix angle 45⁰3 flutesCoating : Un-Coated
SMGHRC 65Helix angle 35⁰4 flutesCoating : TixSiN
SMGHRC 65Helix angle 35⁰4 flutesCoating : NACO-BLUE
SMGHRC 65Helix angle 30⁰2 flutesCoating : NACO-BLUE