... .Material:HSS,HSS-CO,Carbide 3.Coating:TIALN,TIN 4.Flute:2F,4F 5.Helix angle:35 degree Carbide flat end mill,hss ... end mill Features: 1.Carbide square end mill,ball end mill2 ... taps,spiral pointed taps and other cutting tools,such as drill bits,end mills,saws etc. We can supply special one ...