1.roughing end mill 2.Material:HSS,HSSE,Carbide 3.Coating:TIALN,TICN,Bright 4.Flute:4F 5.With or without key slot rough end mill Features: 1.HSS roughing end mill,cnc end mill2.Material:HSS,HSSE,Carbide3.Coating:TIALN,TICN,Bright finish4.Flute:4F5.Size standard or as require (metric,inch)6.With or without key slot7.High wear resistance 8.Long life time