Cobalt Aircraft Extension Drills - Wire Sizes - 24" Overall Length

  • Made to NAS 907 Type J specifications, these cobalt extension 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 135º split point.
  • Extra length for hard to reach holes
Quantity Diameter Number Part Number Decimal Equivalent Inches Flute Length Inches Package Quantity Price Each
30 41-701 .1285 1-5/8 1 $36.05
40 41-702 .0980 1-3/8 1 $37.10