Irwin Tools Unibit #21 13/16-Inch to 1-3/8-Inch Step-Drill Bit, 1/2-Inch Shank (10221)
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<b>[Product Information]</b><br>
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<li>None</li>
<li>Imported</li>
<li>Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates</li>
<li>Single-flute cutting edge for greater control through steps</li>
<li>Patented single-flute cutting edge gives the user a true round hole every time</li>
<li>3 faltted shank prevents slipping in drill chuck</li>
<li>Pilot hole required</li>
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