Norseman 187DN Weldout Spotweld M42 Cobalt Drill Bit, 8.0 TE* mm, Spur Point

Norseman 187-DN Weldout Spotweld M42 Cobalt Drill Bit, 8.0 TE* mm, Spur Point

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.