Superion® burnishing drill geometry used in cast iron applications with a straight flute design ideal for use on lathes. The enhanced surface finish on the tool will improve chip flow and reduce built-up edge.
Advantages
Unique point, web, and cutting edge designed to significantly improve hole finish and hole tolerance
Double margins designed for enhanced stability
Ideal pre-drill when using carbide taps
Features
Minimized back taper to enhance straightness
AM440 coating for reduced flank wear in cast iron