... /Cm3N/mm2HRA TYK10K05-K10≥14.9≥3800≥93.2Suitable for machining aluminum-magnesium alloys, glass fiber, carbon fiber,wood, harden plastic and ... other materialsTYK20K10-K20≥14.65≥3800≥92.8Suitable for machining cast irons,aluminum alloys,meterial,etc, and also can be used for ... the machining of common steel. It is recommended for the drilling ...