CUTTING TOOL INSERT, SOLID END MILL OR DRILL COATED WITH WEAR RESISTANT LAYER.

摘要

The present invention relates to a cutting tool insert, solid end mill or drill, comprising a substrate and a coating. The coating is composed of a cubic C-(Me, Si,) N- phase without coexisting amorphous phase. It is deposited by- using arc evaporation. The object of the invention is to provide a coated insert with good cutting properties.