... .65≥3800≥92.8Suitable for machining cast irons,aluminum alloys,meterial,etc, and also can be used for the machining of common ... , Suitable for making solid carbide tool for machining heat-resistant alloys and it can also be used for making microdrills for PCB ... .0 Suitable for machining nickel based alloys, titanium alloys, stainless steel,mould steel,chilled hardened steel and grey cast irons, etc. It ...