Cobalt Pro Drill Bit Set

  • Description
  • Size Guide


Product Overview



  • For the most part, drill bits are made of high-speed steel.
  • This metal is more durable than regular steel, which is why it can handle wood and plastic relatively well.
  • However, if you want to puncture tougher metals, then you need a bit that won’t break down or get dull too easily.
  • Cobalt is the best option in this case, as it will hold up to higher temperatures and won’t fracture under heavy pressure.
  • So, if you’re planning on working with hardened metals, you’ll need a cobalt drill bit.



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