Sumitomo's new BNC2000 series CBN grades perform with exceptional accuracy and productivity. The BNC2010 grade is designed for high precision hard turning. A newly developed CBN substrate coated with a TiCN layer achieves excellent surface finish, while reducing wear.

The high efficiency BNC2020 Grade is designed for general hardened steel machining. Featuring a newly developed tough CBN substrate coated with a highly wear-resistant TiAlN layer it achieves more stable machining and a longer tool life.