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280-D Cobalt

1/2" Reduced Shank Silver & Deming
Super High-Speed - M42 Cobalt

• Heavy-duty 135° 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.