Metal Drill Bits

Wire Gauge Black Oxide Drill Bits (Bulk)

For rotary drills/drivers

DRILLING WITH HIGH PRECISION

  • 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)

Materials

Steel
Cast Iron
Select options

Working length (L1) Inch 10 options

Total length (L2) Inch 16 options

Choose a pack size 12


Wire Gauge Black Oxide Drill Bits (Bulk)
from 
For rotary drills/drivers

Fits tools of most brands

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Cylindrical shank compatible with three-jaw drill chucks.

DRILLING WITH HIGH PRECISION

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: 28

Model number Diameter (D) Inch Total length (L2) Inch Working length (L1) Inch Pack quantity
BL4006 6 3 3/4 2 12
BL4060 - 1 5/8 13/16 12
BL4012 12 3 1/2 2 12
BL4023 23 3 1/8 1 1/2 12
BL4027 - 3 1 1/2 12
BL4028 - 2 7/8 1 1/2 12
BL4034 3/4 2 5/8 1 5/8 12
BL4035 - 2 5/8 1 5/8 12
BL4038 3/8 2 1/2 1 1/2 12
BL4039 - 2 3/8 1 3/8 12
BL4040 - 2 3/8 1 3/8 12
BL4042 - 2 1/4 1 1/4 12
BL4044 - 2 1/8 1 1/8 12
BL4046 - 2 1/8 1 1/8 12
BL4048 - 2 1 12
BL4049 4/9 2 1 12
BL4050 - 2 1 12
BL4052 - 1 7/8 15/16 12
BL4053 - 1 7/8 15/16 12
BL4054 - 1 7/8 15/16 12
BL4055 - 1 7/8 15/16 12
BL4056 - 1 3/4 7/8 12
BL4058 5/8 1 5/8 13/16 12
BL4059 - 1 5/8 13/16 12
BL4003 3 3 3/4 2 12
BL4013 13 3 1/2 2 12
BL4015 15 3 3/8 2 12
BL4009 9 3 5/8 2 12

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