1.Various shapes as required 2.Various grain sizes from rough to ... , 160mm, 175mm, to 910mm. 2. Shape can be any shape as per customer machine and macining demands. Common choosed shape are: 1A1, 1A1R ... 11V9, 9A3 and so on 3. Diamond or CBN grain size can be from rough to fine, 30#, 50#, 60#, ... Wheel/CBN wheel is used in many tooling production, such as: 1) Tungsten carbide, steel, mold 2) Glass and ...