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Bosch Cobalt Drill Bits can do it all. Whether you need to drill through the toughest of surfaces or soft ones these heavy-duty drill bits have enough drilling force to penetrate even abrasive materials. Because the last thing you want is for your drill bit to get stuck-no one wants to deal with that. With Bosch you get power, durability and stability all in one well made drill bit. When you need a cobalt drill bit, you need a Bosch Cobalt Drill Bit.

Bosch CO2131 1/16" Cobalt Jobber Length Drill Bit
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Bosch CO2131 1/16" Cobalt Jobber Length Drill Bit

  • Withstands high-temperature applications for extended periods of time (up to 1,100 deg.F)
  • Rigid, thick web design adds stability to bit in tough applications
  • Surface hardened to penetrate tough abrasive materials
$5.99
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Bosch CO2131 1/16" Cobalt Jobber Length Drill Bit 2x
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Bosch CO2131 1/16" Cobalt Jobber Length Drill Bit 2x

  • Withstands high-temperature applications for extended periods of time (up to 1,100 deg.F)
  • Rigid, thick web design adds stability to bit in tough applications
  • Surface hardened to penetrate tough abrasive materials
$8.99
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Bosch CO2131 1/16" Cobalt Jobber Length Drill Bit 3x
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Bosch CO2131 3x 1/16" Cobalt Jobber Length Drill Bit 3x

  • Withstands high-temperature applications for extended periods of time (up to 1,100 deg.F)
  • Rigid, thick web design adds stability to bit in tough applications
  • Surface hardened to penetrate tough abrasive materials
$11.99
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Bosch CO2131 1/16" Cobalt Jobber Length Drill Bit 4x
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Bosch CO2131 1/16" Cobalt Jobber Length Drill Bit 4x

  • Withstands high-temperature applications for extended periods of time (up to 1,100 deg.F)
  • Rigid, thick web design adds stability to bit in tough applications
  • Surface hardened to penetrate tough abrasive materials
$14.39
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Bosch CO2131 1/16" Cobalt Jobber Length Drill Bit 8x
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Bosch CO2131 1/16" Cobalt Jobber Length Drill Bit 8x

  • Withstands high-temperature applications for extended periods of time (up to 1,100 deg.F)
  • Rigid, thick web design adds stability to bit in tough applications
  • Surface hardened to penetrate tough abrasive materials
$19.95
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Bosch CO2135 1/8" Cobalt Jobber Length Drill Bit
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Bosch CO2135 1/8" Cobalt Jobber Length Drill Bit

  • Withstands high-temperature applications for extended periods of time (up to 1,100 deg.F)
  • Rigid, thick helix web design adds stability to bit in tough applications
  • Surface hardened to penetrate tough abrasive materials
$4.75
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Bosch CO2135 1/8" Cobalt Jobber Length Drill Bit 10x
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Bosch CO2135 1/8" Cobalt Jobber Length Drill Bit 10x

  • Withstands high-temperature applications for extended periods of time (up to 1,100 deg.F)
  • Rigid, thick web design adds stability to bit in tough applications
  • Surface hardened to penetrate tough abrasive materials
$17.50
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Bosch CO2135 1/8" Cobalt Jobber Length Drill Bit 2x
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Bosch CO2135 1/8" Cobalt Jobber Length Drill Bit 2x

  • Withstands high-temperature applications for extended periods of time (up to 1,100 deg.F)
  • Rigid, thick web design adds stability to bit in tough applications
  • Surface hardened to penetrate tough abrasive materials
$5.99
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Bosch CO2135 1/8" Cobalt Jobber Length Drill Bit 3x
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Bosch CO2135 1/8" Cobalt Jobber Length Drill Bit 3x

  • Withstands high-temperature applications for extended periods of time (up to 1,100 deg.F)
  • Rigid, thick web design adds stability to bit in tough applications
  • Surface hardened to penetrate tough abrasive materials
$8.67
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Bosch CO2135 1/8" Cobalt Jobber Length Drill Bit 4x
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Bosch CO2135 1/8" Cobalt Jobber Length Drill Bit 4x

  • Withstands high-temperature applications for extended periods of time (up to 1,100 deg.F)
  • Rigid, thick web design adds stability to bit in tough applications
  • Surface hardened to penetrate tough abrasive materials
$11.16
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Bosch CO2135 1/8" Cobalt Jobber Length Drill Bit 5x
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Bosch CO2135 1/8" Cobalt Jobber Length Drill Bit 5x

  • Withstands high-temperature applications for extended periods of time (up to 1,100 deg.F)
  • Rigid, thick web design adds stability to bit in tough applications
  • Surface hardened to penetrate tough abrasive materials
$12.95
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Bosch CO2138 11/64" Cobalt Jobber Length Drill Bit
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Bosch CO2138 11/64" Cobalt Jobber Length Drill Bit

  • Withstands high-temperature applications for extended periods of time (up to 1,100 deg.F)
  • Rigid, thick web design adds stability to bit in tough applications
  • Surface hardened to penetrate tough abrasive materials
$4.95
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Bosch CO2139 20x 3/16" Cobalt Jobber Length Drill Bit
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Bosch CO2139 20x 3/16" Cobalt Jobber Length Drill Bit

  • Withstands high-temperature applications for extended periods of time (up to 1,100 deg.F)
  • Rigid, thick web design adds stability to bit in tough applications
  • Surface hardened to penetrate tough abrasive materials
$37.50
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Bosch CO2139 3/16" Cobalt Jobber Length Drill Bit
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Bosch CO2139 3/16" Cobalt Jobber Length Drill Bit

  • Withstands high-temperature applications for extended periods of time (up to 1,100 deg.F)
  • Rigid, thick web design adds stability to bit in tough applications
  • Surface hardened to penetrate tough abrasive materials
$6.98
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Bosch CO2139 3/16" Cobalt Jobber Length Drill Bit 10x
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Bosch CO2139 3/16" Cobalt Jobber Length Drill Bit 10x

  • Withstands high-temperature applications for extended periods of time (up to 1,100 deg.F)
  • Rigid, thick web design adds stability to bit in tough applications
  • Surface hardened to penetrate tough abrasive materials
$23.99
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Bosch CO2139 3/16" Cobalt Jobber Length Drill Bit 2x
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Bosch CO2139 3/16" Cobalt Jobber Length Drill Bit 2x

  • Withstands high-temperature applications for extended periods of time (up to 1,100 deg.F)
  • Rigid, thick web design adds stability to bit in tough applications
  • Surface hardened to penetrate tough abrasive materials
$8.25
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Bosch CO2139 3/16" Cobalt Jobber Length Drill Bit 3x
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Bosch CO2139 3/16" Cobalt Jobber Length Drill Bit 3x

  • Withstands high-temperature applications for extended periods of time (up to 1,100 deg.F)
  • Rigid, thick web design adds stability to bit in tough applications
  • Surface hardened to penetrate tough abrasive materials
$9.99
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Bosch CO2139 3/16" Cobalt Jobber Length Drill Bit 4x
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Bosch CO2139 3/16" Cobalt Jobber Length Drill Bit 4x

  • Withstands high-temperature applications for extended periods of time (up to 1,100 deg.F)
  • Rigid, thick web design adds stability to bit in tough applications
  • Surface hardened to penetrate tough abrasive materials
$11.99
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Bosch CO2139 3/16" Cobalt Jobber Length Drill Bit 5x
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Bosch CO2139 3/16" Cobalt Jobber Length Drill Bit 5x

  • Withstands high-temperature applications for extended periods of time (up to 1,100 deg.F)
  • Rigid, thick web design adds stability to bit in tough applications
  • Surface hardened to penetrate tough abrasive materials
$13.99
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Bosch CO2143 1/4" Cobalt Jobber Length Drill Bit
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Bosch CO2143 1/4" Cobalt Jobber Length Drill Bit

  • Withstands high-temperature applications for extended periods of time (up to 1,100 deg.F)
  • Rigid, thick web design adds stability to bit in tough applications
  • Surface hardened to penetrate tough abrasive materials
$7.99
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Bosch CO2143 1/4" Cobalt Jobber Length Drill Bit 10x
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Bosch CO2143 1/4" Cobalt Jobber Length Drill Bit 10x

  • Withstands high-temperature applications for extended periods of time (up to 1,100 deg.F)
  • Rigid, thick web design adds stability to bit in tough applications
  • Surface hardened to penetrate tough abrasive materials
$29.99
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Bosch CO2143 1/4" Cobalt Jobber Length Drill Bit 2x
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Bosch CO2143 1/4" Cobalt Jobber Length Drill Bit 2x

  • Withstands high-temperature applications for extended periods of time (up to 1,100 deg.F)
  • Rigid, thick web design adds stability to bit in tough applications
  • Surface hardened to penetrate tough abrasive materials
$11.50
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Bosch CO2143 1/4" Cobalt Jobber Length Drill Bit 3x
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Bosch CO2143 1/4" Cobalt Jobber Length Drill Bit 3x

  • Withstands high-temperature applications for extended periods of time (up to 1,100 deg.F)
  • Rigid, thick web design adds stability to bit in tough applications
  • Surface hardened to penetrate tough abrasive materials
$14.50
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Bosch CO2143 1/4" Cobalt Jobber Length Drill Bit 4x
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Bosch CO2143 1/4" Cobalt Jobber Length Drill Bit 4x

  • Withstands high-temperature applications for extended periods of time (up to 1,100 deg.F)
  • Rigid, thick web design adds stability to bit in tough applications
  • Surface hardened to penetrate tough abrasive materials
$16.50
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Bosch CO2143 1/4" Cobalt Jobber Length Drill Bit 5x
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Bosch CO2143 1/4" Cobalt Jobber Length Drill Bit 5x

  • Withstands high-temperature applications for extended periods of time (up to 1,100 deg.F)
  • Rigid, thick web design adds stability to bit in tough applications
  • Surface hardened to penetrate tough abrasive materials
$19.50
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