5/16"x6" Cobalt Aircraft Extension Drill 2370190 cuts hardened steel wire (piano

cuts hardened steel wire (piano wire)

Premium cotton gauze filter element comes pre-oiled

Two pins for setting against the edge of surface plate

Packet of 8

- To Suit SUZUKI SWIFT / CULTUS ZC11S 1

5/16"x6" Cobalt Aircraft Extension Drill 2370190 cuts hardened steel wire (pianoNational 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.