#29 x 6"  Cobalt Aircraft Extension Drill Bit, GLBCOX629
#29 x 6"  Cobalt Aircraft Extension Drill Bit, GLBCOX629
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#29 x 6" Cobalt Aircraft Extension Drill Bit, GLBCOX629

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Size:#29 x 6

Key item features

  • Cobalt steel tools are similar to high-speed steel but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys
  • Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools- performance is similar to uncoated tools
  • Round shanks allow use with a wide variety of tool holding systems
  • When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
  • Manufactured to national aerospace standard 907
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