#5 x 6" Cobalt Aircraft Extension Drill MSD6421 unitized frame construction

unitized frame construction

- To Suit MAZDA 808 ST 1972-1978 (Front)

Manufactured from case hardened steel 45 ± 5HRC

Excellent protection against ring sticking

#5 x 6" Cobalt Aircraft Extension Drill MSD6421 unitized frame constructionNational 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.