Norseman 01831 Ultra Bit™ Multi-Diameter TiN Step Drill Bit Set

Step Drill Ultra Bit Multi-Diameter Titanium Nitride Coated

Type 78-AGN

Special Axial and Radial flute design increases work piece penetration. Dual flute construction drills clean accurate holes in thin materials, quickly and easily. Titanium Nitride coated with 3-flats on shank. Titanium nitride coated tools last six times longer than uncoated tools. Cutting edge stays sharper longer. Titanium nitride coating reduces friction.

Set contains 1/8"-1/2", 3/16"-1/2" & 7/8"-1-1/8".S