... 75mm-910mm 4.High quality Vitrified bonded combined for PCD wheel grinding The vitrified wheels are made of diamond or CBN ... for the parts of Motor, Bearing, Semi-conductor, Glass, Optics, Metal, Ceramic, PCD/PCBN, etc1. Diameter from 75mm, 100mm, 125mm, 150mm ... Japan 4) Customized design, OEM is accepted Resin bond diamond Wheel/CBN wheel is used in many tooling production, such as: 1 ...