SMGHRC 55Helix angle 50⁰3 flutesCoating : Un-Coated
SMGHRC 55Helix angle 42⁰/40⁰4 flutesCoating : TixSiN
SMGHRC 55Helix angle 42⁰/40⁰4 flutesCoating : S-Fire
SMGHRC 55Helix angle 35⁰/37⁰4 flutesCoating : Arti-Co
SMGHRC 55Helix angle 35⁰/37⁰4 flutesCoating : S-Fire