... wheels are made of diamond or CBN, the products can be used for the parts of Motor, Bearing, ... 125mm, 150mm, 160mm, 175mm, to 910mm. 2. Shape can be any shape as per customer machine and macining demands ... 9A3 and so on 3. Diamond or CBN grain size can be from rough to fine, 30#, 50#, 60#, ... ) Customized design, OEM is accepted Resin bond diamond Wheel/CBN wheel is used in many tooling production, such as: ...