... highest precision of Swiss High Precision Schaublin fixture within reach 0.005, diameter (2-20MM) 6.Patented structure, convenient ... electric spindle grinding head, High precision bearings, beating controlled within 0.005MM, Maximum speed of 10,000 rpm9.Direct driving, ... precision process overall grinding system of milling cutter and drill within 0.5-12MM.12. Large-size full casting,rigid,oiltigt13 ...