Irwin 10220 Unibit20 9/16-Inch to 1-Inch 1/2-Inch Shank Hole Enlarging Step Drill Bit Enerpac parts Drive 1-1/4"-1-1/2"

Drive 1-1/4"-1-1/2"

and motor end plates are made from durable die cast aluminum metal for maximum life and performance Insulating vinyl cover for operator comfort and safety Lever throttle with roller tip for ease of operation Air inlet screen filters air line debris

If air seeps between layers

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Irwin 10220 Unibit20 9/16-Inch to 1-Inch 1/2-Inch Shank Hole Enlarging Step Drill Bit Enerpac parts Drive 1-1/4"-1-1/2"Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates Single flute cutting edge for greater control through steps Patented single flute cutting edge gives the user a true round hole every timeAmazon. ca Product Description 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