29551 Type 130-D 1/2" Reduced Shank Silver & Deming Super High-Speed M42 Cobalt 135Â degree Split Point Drill Bit Set (9/16, 5/8, 3/4, 1") 8.33mm " is available bare or

" is available bare or with three couplers

Lubrication Not Required

F (5 to 115 Deg

The Heavy Duty Series of Filters is completely serviceable

29551 Type 130-D 1/2" Reduced Shank Silver & Deming Super High-Speed M42 Cobalt 135Â degree Split Point Drill Bit Set (9/16, 5/8, 3/4, 1") 8.33mm " is available bare orHeavy 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