#21x6" Cobalt Aircraft Extension Drill CPK350C 49mm (15/32" - 17/32")

49mm (15/32" - 17/32")

Sleeve for AUTOLOCK Small Collet Chuck

This tool allows quick and clean pressing back of caliper pistons into caliper housings without damage to seal or caliper

Fit standard or Deep Sockets down over the pins

Precision drill for machine use

#21x6" Cobalt Aircraft Extension Drill CPK350C 49mm (15/32" - 17/32")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.