10 Carbide Rotary Burr Drill Bit Double Cut Metal Mill Bit 6mm Shank Die Grinder
Shank length: 35mm. -Tooth shape: double cut. -【Convenient】Generally can be used with handheld electric or pneumatic tool drive (can also be used in machine tool, and the speed of the electric/pneumatic tools usually about 6000-50000 RPM. ).