ONYX

Onyx aluminum chrome nitride coating is a special purpose PVD coating which has been developed for high performance chip removal and molds working under heavy conditions. Thanks to its extremely small dimension at a grain size, and to its high aluminum content, it offers high heat hardness and wear resistance in cutting tool applications where high temperatures occur. Thanks to its chrome nitride structure in its content, it has a high rate of compression internal stress, and therefore, it also gives successful results in hard sheet metal cutting dies.