Use a superabrasive wheel, such as a diamond wheel or CBN wheel, for cutting and smoothing extremely hard materials. Find diamond, armored diamond and free cutting diamond grinding wheels here. Diamond and cubic boron nitride, or CBN grinding wheels, deliver high material removal rates without creating a lot of thermal damage to your workpiece. They provide longer wheel life and the ability to grind wet or dry. For precision grinding and finishing, try a diamond wheel or CBN wheel today.