HSS-Co Cobalt Drills

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Features & Applications

  • HSS steel alloy with 5% Cobalt content
  • For the toughest jobs in alloy steels
  • Heller brand quality
  • 135° split point

Drill bits with cobalt content for drilling tougher steels including stainless steels. These precision drill bits are resistant to heat and wear for maintained sharpness and extended life. 135° split points provide optimum centring of the bit when starting.



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