Assertion: titanium drill bit | /r/HasProperty | coated with titanium nitride
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: Titanium drill bits are usually coated with titanium nitride or titanium carbonitride, which are gold and bluish-gray in color, respectively.
text: Titanium drill bits are HSS bits that have been coated with titanium nitride (TiN) using a process similar to electroplating.