Irwin 10232 UniBit 3/16-Inch to 1/2-Inch 1/4-Inch Shank Step Drill Bit

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Hanson Step Drills save time by eliminating the need to change drills when drilling round holes in thin materials. Each smaller size drill also acts as a pilot for the next size. The single radial flute assures perfectly round holes. Use on steel, brass, aluminum and other thin materials. Step Drills are self-starting and will not slip.Drill diameters etched in flute for easy identification.

Name brand tools at well below regular wholesale prices