... grooved wheels for CNC machine U and V shape Top1 manufacture in China Good quality ISO9001:2008 BDK 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 ... the basis of high-quality products. BDK U grooved wheels for CNC machine