Metal Drill Bits

Black Oxide Drill Bit Sets

For rotary drills/drivers

Drilling with High Precision

  • For rotary drills/drivers
  • Cylindrical shank compatible with three-jaw drill chucks.
  • Speed helix design for three times faster drilling than standard bits
  • Last 50% longer than high-speed steel
  • Easier drilling, reduced heat and extended drill bit life
  • Available in jobber length, stubby length, extended length (aircraft), 1/2 In. reduced shank (Silver and Deming)


Cast Iron
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Choose a pack size 4 options

Black Oxide Drill Bit Sets


Bosch black oxide bits offer superior durability, speed and selection for most general purpose applications. Best for cutting holes into metal and work equally well in wood and plastic drilling.

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Product Options

Available product options: 4

Part number Pack quantity
BL14 14
IMD5007 7
BL29 29
BL21A 21

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