WC-Co composite superhard alloys are used to produce this equipment, which allows for 3-5 times higher cutting speeds than HSS due to its cutting tool hardness (1300 -1800 HV) and wear resistance. End mills, inserts and drills are also tools of micro grain carbide (grain size <1μm) in precision work such as medical device machining. With high-Si aluminum alloy die castings for automobiles, oftentimes tools exceeding 500 parts longevity are achieved. Tool wear due to friction is also aided with AlCrN or DLC coatings.
