Boring hole Cermet Insert TNGG160402R/L-F TNGG160404R/L-F TNGG160408R/L-F Mchining steel, stainless steel, HRC 30-45, High quality, stable mechanical property, wearing resistance. Uncoating and PVD coating.   Size Specification                   ISO Items Dimensions(mm) Grade l i.c s d re CVD PVD TNGG160402R/L-F 16.5 9.525 4.76 3.81 0.2 √ TNGG160404R/L-F 16.5 9.525 4.76 3.81 0.4 …