DM: precision M level, recommend cutting dosage ap = 1.5 ~ 5 (mm) fn = 0.15 ~ 0.5 (mm/r), P class material semi-finishing recommend trough type: M level double chip breaker, cutting force is small, the wide range of chip breaker, the viscosity of high alloy steel also can achieve good effect of chip breaker.

Price according to the classification of different slightly will be a little different.

We mark is the price of each piece and The price is not include the freight.