end mill 1)For key cutting machine 2)Nano coating,long life 3)Cemented ... 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 ,long life, And strong. ... side milling cutter,flat slotter,bitting cutter,milling cutter for cnc key cutting machine etc. Don't hesitate to contact us ...