Cobalt Aircraft Extension Drills in fractional and wire gauge (number) sizes. These cobalt drills are best suited to drilling hard materials such as stainless sheet stock. NOTE: Fractional-size drills 1/16" to 1/2" and wire gauge sizes #1 to #52 have a 135° split point.
By clicking "Accept All Cookies", you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts.