29421 Type 130-D 1/2" Reduced Shank Silver & Deming Super High-Speed M42 Cobalt 135Â degree Split Point Drill Bit Polyvinyl Tubing These units are equipped with

These units are equipped with reusable fittings that allow in-field repairs if necessary

Operating Pressure 0 to 150 PSI

the tooth-contact area of helical gears is very small

Additionally

Drill sizes over 1-1/16" have a reduced shank

29421 Type 130-D 1/2" Reduced Shank Silver & Deming Super High-Speed M42 Cobalt 135Â degree Split Point Drill Bit Polyvinyl Tubing These units are equipped withHeavy duty 135 degree split point with gold finish for use in drilling hard tough metals, free machining stainless steel, high temperature alloys, titanium and certain plastics. High red hot hardness of cobalt steel permits speeds 30% higher than regular high speed steel drills. Cobalt drills require rigidly held, positive feed drilling equipment. Click Here for product catalog Proudly Manufactured in the U. S. A