BDK U grooved wheels for CNC machine U and V shape Top1 manufacture in China Good quality ... CNC machine Specification(mm): NameOuter DiameterThicknessInner Diameter glass grooving SERIES2004,6,8,10,15,20501603,6,8,10,15,2022,90 Machine semi-automatic ... glass engraving machine and CNC-machine UsageIt is mainly used in grooving mirror, furniture ...