... 75mm-910mm 4.High quality Vitrified bonded combined for PCD wheel grinding The vitrified wheels are made of diamond or CBN ... be from rough to fine, 30#, 50#, 60#, 80#, 100#, 120#, 140#, 150#, 170#, 200# till 3000#. Why choose KSHS: 1 ... Japan 4) Customized design, OEM is accepted Resin bond diamond Wheel/CBN wheel is used in many tooling production, such as: 1 ...