Irwin 10220 Unibit20 9/16-Inch to 1-Inch 1/2-Inch Shank Hole Enlarging Step Drill Bit
Get it all done with one when you choose Unibit stairstep bits. Single-flute cutting edge provides precise depth control though all size steps. Shanks flat side surface ensures slip-free chuck lock-down. Blunt-tip. hole-enlarging bit may be used on stainless steel. copper. brass. aluminum. plastic. laminates and wood. Materials: Steel Drill Bit Range Min: 1/2quot; Drill Bit Range Max: 1quot.
From the Manufacturer
UNI-BIT STEP DRILL #20 9/16-1″ 8 SZ”
Features
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Ideal for drilling holes into thin materials such as stainless steel. copper. brass. aluminum. plastic and laminates
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Single-flute cutting edge for greater control through steps
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Patented single-flute cutting edge gives the user a true round hole every time
Specifications
Brand Name: Irwin
