... .Material:HSS,HSS-CO,Carbide 2.Coating:TIALN 3.Flute:2F,4F 4.Helix angle:35 degree end mills1.Material:HSS ... ,HSS-CO,Carbide 2.Coating:TIALN 3.Flute:2F,4F 4.Helix angle:35 degreeFeatures:1.CNC end mill2 ... -co,Carbide3.Coating:TIALN,TICN,bright finish etc.4.Flute:2F,4F5.Size:1.0mm-25mm standard6.Helix angle:35 degree7 ...