1.Low costs for fast grinding 2.Smooth Surface after finished 3.Long ... and the specifications completeIt is suitable for: aeronautical material, crystal, glass, quartz, gemstone, stones, tile, ceramics, super hard alloy, ... such as molding, plane, cylinder, internal hole, furrow grinding and etc.Advantages: Good sharpness, high precision, not restricted ... /175×19/2420×8×810 diamond roll grinding wheel