#19x6" Cobalt Aircraft Extension Drill 1632440 5/16 x 7/8 x 3

5/16 x 7/8 x 3 100pcs ZINC PLATED FINISH HEAVY DUTY

Drill Bits with Extra Bite

Mobil 1 ESP 5W-30 has been designed to help deliver outstanding performance and protection in conjunction with fuel economy benefits

Comfortable: non-slip bi-material grips

Adheres to most surfaces

#19x6" Cobalt Aircraft Extension Drill 1632440 5/16 x 7/8 x 3National 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.