Punch grinder is a tool which can be put on the surface plate of grinding machine for round punches(1.5mm-25mm). It can be ground by putting among three rollers of punch grinder. without checking the center. Accuracy of roller within 0.005mm while turning right or left. It can allow lenght 5-35mm Accuracy of point A within 0.005mm and point B Within 0.008mm while turning.
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