#30x6" Cobalt Aircraft Extension Drill 6556110 Shank diameter:

Shank diameter:

- To Suit BMW 1 SERIES E82 ALL EXCEPT 123d & 130i 2007-Current (Front)

(extended drain intervals only with appropriate used oil sampling) Nissan / Infiniti S

Model Blazer ZR2

#30x6" Cobalt Aircraft Extension Drill 6556110 Shank diameter:National 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.