... diameter from 75mm-910mm 4.High quality Vitrified bonded combined for PCD wheel grinding The vitrified wheels are made of diamond ... or CBN, the products can be used for the parts of Motor, Bearing, Semi-conductor, Glass, Optics, Metal ... carbide, steel, mold 2) Glass and optical glass 3) Stone, concrete, asphalt and ceramic 4) Magnets 5) Other deep manufacturing industries