Achieving maximum productivity in machining today's abrasive, heat resistant, exotic materials in one of the metalworking industries greatest challenges. To meet this challenge, Niagara Cutter has created the high performance Excel Series of Cobalt End Mills. Niagara Cutter Excel End Mills are a revolutionary solution that combines superior geometry, high grade cobalt substrate and wear resistant PVD coatings to help machinists handle difficult milling applications. The Excel Series is also designed to meet the National Aerospace Standard NAS986 Type’s 46 and 66 specification.
All Niagara cobalt end mills have an engineered flute shape designed for maximum rigidity, maximum chip space, and maximum consistency beyond traditional manufactured designs. Along with this, they are all designed to meet the National Aerospace Standard NAS986 specification.