Uploaded October 2021 | Updated September 2026, 1 day ago

---

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 - aircraftspruce.com Visit the KITPLANES website for more tips: kitplanes.com/metal-magic-video-series

#homebuiltaircraft #kitplanes #experimentalaircraft #eaa #tools #metalworking #unibit #stepdrill