DIN shell mill arbors,combination shell end mill arbors. DIN 69871, CNC milling machine, G6.3 8000-12000r/ ... min.G2.5 12000-20000 DIN shell mill arbors,combination shell end mill arbors.DIN 69871,DIN69872.For CNC milling machine ... milling cutters DIN 842 and cutters DIN 1830. DIN Shell mill arbors,combination shell end mill arbor