1/4"x12" Cobalt Aircraft Extension Drill AB2284-67 End diameter 13

End diameter 13

Designed for the kneepad wearer who spends long periods of time kneeling

Belt dimensions: 75 x 2000 mm

Air velocity 45m/s (53m/s when in turbo mode) Overall Length 948mm

- New design features increased diameter cutting wheels to suit new thick wall exhaust pipes

1/4"x12" Cobalt Aircraft Extension Drill AB2284-67 End diameter 13National Aerospace Standard 907, Type J Cobalt Drills, 6" OAL with Jobber Drill Flute Length, Cobalt Extension Drill, Cobalt HSS, Surface Treated, 135 Split Point These cobalt jobbers length drills are used for drilling in tough, high tensile strength materials like stainless steels, titanium and inconel. They are made of cobalt high speed steel, with heavy duty flute construction and 135 split point.