E-Grind Resin bond Double disc wheels are widely used for surface roughing and finishing the top and bottom of precision parts, such as compressor cylinders, rotors, automobile parts, springs, semi-conductor parts, etc. The resin bond CBN double disc wheels provide perfect performance for a wide range of materials like HSS, mold steel, bearing steel, tool steel, spring steel, etc. The max OD can be 500mm and the max width of the bonding section can be 200mm. The complex body shape is also available and applicable to different machine types.