KEO #4 Size M42 8% Cobalt Combination Drill & Countersink

• High speed steel provides good wear resistance in mild steels & non-ferrous materials.
• Cobalt for tougher materials & greater wear resistance.
• Drill & Countersink & Produce Center Holes For Turning A Workpiece
• Included Angle: 60
• Cutting Direction: Right Hand
• Hardness: 58 to 60 RC

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