Drill America GLBCOX61/4 1/4" x 6" Cobalt Aircraft Extension Drill Bit, GLBCO Series

The Drill America Cobalt Aircraft Extension Drills are specifically designed for cutting harder metals like stainless steel or nickel alloys, offering improved performance compared to high-speed steel drills.

With a thinner oxide surface treatment than black oxide, gold oxide identification ensures these drills are of the highest quality and durability.

The 135° split point reduces thrust and is self-centering, making it easy to use and maneuver.

Available in 6" or 12" lengths for extra reach, these drills are perfect for any aviation enthusiast or professional looking for a reliable and efficient cutting tool.

Don't miss out on the opportunity to upgrade your drilling experience with the Drill America Cobalt Aircraft Extension Drills!