Precise drill bit milling machine, another names are called: universal drill grinder, drill bit grinder, twist drill grinder, is a special equipment for resharpening drills, which has accurate, effective, reliable, long lasting and low-cost features.

The geometric forms and surface roughness of drill resharpened can be guaranteed by high rigidity, accurate position and rational structure of this grinder. It is very easy to operate, accurate and reliable, can grind the diameter of high-speed steel and hard alloy steel twist drill, from 0.5mm to 25mm