BNC300 COATED PcBN GRADE

Description

Featuring a ceramic-based coating, Sumitomo's  new PcBN premium grade BNC300 machines hardened steels with interrupted  cuts.   The BNC300's tough PcBN substrate, combined with a TiAIN ceramic  gold coating, result in extended tool life in interrupted turning  applications. The cutting edge of the BNC300 is further strengthened through  the incorporation of Sumitomo's new brazing technology. All corners  are brazed individually.  Sumitomo's line of BNC grades also includes the BNC80 for excellent  surface finishes, the BNC150 for high-speed continuous cutting and  the BNC200 for general and mild interrupted cutting.
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