... U grooved wheels for 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 ... basis of high-quality products. BDK U grooved wheels for CNC machine