end mill 1)For key cutting machine 2)Nano coating,long life 3)Cemented cabride 4)With slot end mill1.With TIAIN nano-coating2.Material is ... , Shank is 6mm, lenghth is 40mm, with slot5.It's end mill with slot, for key cutting machine, be used in making car keys.6 ... .Fit for SILCA key cutting machines,but low cost ...