... coating is particularly suitable for cutting pasty materials such as copper, brass and bronze. Thanks to its high ... 2mm~4mm pitch or more. AW : This is almost same as A, except for chamfering in turns. Nowadays, this ... able to cut thick material BW : This is almost same as B, except for chamfering in turns. This load ... side on the high tooth face, and at the same time, it is also removed chip. This is ...