... Ball end mill 2.Material:HSS,HSS-CO,Carbide 3.Coating:TIALN 4.Flute:2F,4F 5.Helix angle:35 degree Ball end mill Features ... : 1.Ball end mill2.Material:HSS,Hss ... -co,Carbide3.Coating:TIALN,TICN,bright finish etc.4.Flute:2F, ... ,pls feel free to contact with us. Ball end mill