Cobalt Fractional Jobber Drill Bits

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  • Ground Flute.
  • Gold Finish.
  • M42 Cobalt Material.
  • These bits are more heat treated than high-speed-steel to maintain their sharp edges longer when drilling hard materials.
  • Jobber length are the most common bits and have the rigidity and length required for most applications.
  • A split point keeps the bit centered without a pilot hole.
  • Bits with 135° point angle produce smaller chips than 118° and 120° points to prevent clogging.
 



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