DIN 8025-3-1986《转位式带圆柱车内孔刀片的刀杆。K型》
The standard specifies dimensions, designation, material, design, conditions of delivery and marking for boring bars style K with excentric shaft and cutting edge angle 75?; These boring bars are to be equipped with indexable inserts of hard metal, ceramics and other cutting metarials and are used mainly for internal turning.#,,#