Metal Magic: Learning To Love the Step Drill

KITPLANES editor at large Paul Dye explains the best times to use the so-called step drill (also called a UniBit) for drilling larger holes in aluminum. This is one of those tools that will save you time and effort in your aircraft build.
This series is sponsored by Aircraft Spruce & Specialty - www.aircraftsp... Visit the KITPLANES website for more tips: www.kitplanes....
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