Solid CBN are always used for rough machining of big cast iron work piece, big hardened steel. Solid CBN has several advantage as follow:
1. Solid CBN is very wearing, have a long service life.
2. Solid CBN have very strong resistance, suitable for large cutting depth machine.
3. Solid CBN can get a high production efficiency.
4. The work piece can get a perfect surface quality.

Typical example of Solid CBN machine: Big roller of kinds of material, slurry pump, industrial pump, etc.