... diameter of 16mm or small. It is widely used in machine works, hard ware, instruments and gauge industries, and repair shops ... production.As this model adapted a pawl clutch for auto-feed mechanism, it can ensure more precise machining, more proper structure ... spindle holeMT.3Spindle speeds230, 360, 500, 900, 1650, 2160r/minMicro feed of spindle0.10, 0.16, and 0.25 mm/rDistance ...