CBN Wheels

CBN Grinding Wheels

A CBN grinding wheel uses Cubic Boron Nitride, or CBN, as its grinding material. Cubic Boron Nitride is considered a super abrasive. As the name suggests, super abrasives are stronger than normal abrasives like Aluminum Oxide and Silicon Carbide. 

CBN is best used to grind hard metals like:

Steels with a hardness rating of at least 45Rc

Cast and wrought irons

Nickel alloys

It is second in hardness only to diamonds.

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