... 2008 CNC machine need BDK U grooving wheels Specification(mm): NameOuter DiameterThicknessInner Diameter glass grooving SERIES2004,6,8,10,15, ... engraving machine and CNC-machine UsageIt is mainly used in grooving mirror, furniture glass, glass bottle, crystal glass etc. ... production and sales of various kinds of top-class polishing tools which keep ahead in Chinese market. Our target: Advanced ...