CBN Grades deliver accuracy and maximize productivity.

Press Release Summary:

Designed for high-precision hard turning, BNC2010 Grade features CBN substrate coated with TiCN layer to achieve optimized surface finish while minimizing wear. BNC2020 Grade, designed for general hardened steel machining, features tough CBN substrate coated with highly wear-resistant TiAIN layer for stable machining and extended tool life.

Original Press Release:

Sumitomo Adds Precise and Efficient BNC2000 Series CBN Grades to Product Lineup

Mount Prospect, IL – 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.

For more information, visit IMTS Booth #W-2422 or contact Sumitomo Electric Carbide, Inc., 1001 Business Center Drive, Mount Prospect, IL 60056, Phone: (800) 950-5202, Fax: (847) 635-9335, e-mail:, or visit the Sumitomo website at

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