TiN coating doubles the tool life, gives additional lubricity and protects the cutting edges of the drill in tough removal applications. TiN coated drills require a slower speed (490 RPM) when drilling difficult materials. Titanium nitride coated M42 cobalt steel spotweld drills are designed for use in high strength high alloy steel commonly used in the automobile industry.
WARNING: Cancer & Reproductive harm www.P65Warnings.ca.gov