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B16, B20, B24, B26
B20, B24 and B26 grades are composite CBN (Cubic Boron Nitride) materials. They exhibit high hardness characteristics the same as ceramics allowing high speed cutting with high efficiency. B16 is a solid CBN material with TiN coating which makes edge wear easily detectable.

Applications:

Turning of steels (HRC60) and gray case iron
Finish milling of gray cast iron
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