29171 Type 130-D 1/2" Reduced Shank Silver & Deming Super High-Speed M42 Cobalt 135Â degree Split Point Drill Bit 6.437" ID Click here for spec sheet:

Click here for spec sheet: NAP Spec Sheet

Durable Connection

This is commonly known as a "red rubber hose

Note: SNA bearings not in catalog

TENV Non Ventilated & TEFC Fan Cooled

29171 Type 130-D 1/2" Reduced Shank Silver & Deming Super High-Speed M42 Cobalt 135Â degree Split Point Drill Bit 6.437" ID Click here for spec sheet:Heavy 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