#10 x 6" Cobalt Aircraft Extension Drill 2130520 Micron range 25 (20-30

Micron range 25 (20-30

Two layers produce damping comparable to Dynamat Xtreme and weigh less

RPM Power Band 2800-8000

koken 1"dr impact socket - 6 point - 13/4" single item

#10 x 6" Cobalt Aircraft Extension Drill 2130520 Micron range 25 (20-30National 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.