AlTiN Coating: Titanium aluminum nitride (AlTiN) coating lubricates the end mill for stability at high temperature and superior wear resistance at high cutting speeds, offering better heat ...

The DC180 Supreme drill comes in two grades: The WJ30EZ grade has a K30F fine-grained carbide substrate with a multi-layer aluminum titanium nitride (AlTiN) coating; and the WJ30EY has the same ...