EC-E3/E7-CE (CER) : 3 and 7 Flute solid ceramic endmills with relieved necks for machining nickel based alloys,cast iron and graphite at very high cutting speed.
Ceramic tools behave differently than carbide tools. In most cases, the end of a tool life is determined by the acceptable level of burrs and not by wear size.
Use with same types of toolholders as carbide EMs (shrink, collet etc)