Drill Bit Grinding Machine : 1.easy operate, accurate and fast. 2.With diamond grinding ... service life.5) Bearing shaft and locking unit.6) The machine is set up with the function of adjusting a point ... : Φ13, Φ14, Φ15, Φ16, Φ17, Φ18, Φ19, Φ20, Φ21, Φ22, Φ23, Φ24, Φ25, Φ26 Apolegamic collets: Φ8, Φ9, Φ10, Φ11, Φ12 ... ×220cm Net weight: 26Kg Gross weight: 27Kg Drill Bit Grinding Machine