Metal Drill Bits

Fractional 1/2" Reduced Shank (Silver & Deming) Black Oxide Drill Bits

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)

Materials

Steel
Cast Iron
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Diameter (D) Inch 23 options

Choose a pack size 1


Fractional 1/2" Reduced Shank (Silver & Deming) Black Oxide Drill Bits
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: 23

Part number Diameter (D) Inch Total length (L2) Inch Working length (L1) Inch Pack quantity
BL2179 13/16 6 4 1
BL2195 1 1/16 6 4 1
BL2199 1 1/8 6 4 1
BL2215 1 3/8 6 4 1
BL2191 1 6 4 1
BL2168 41/64 6 4 1
BL2171 11/16 6 4 1
BL2223 1 1/2 6 4 1
BL2169 21/32 6 4 1
BL2172 45/64 6 4 1
BL2160 33/64 6 4 1
BL2161 17/32 6 4 1
BL2162 35/64 6 4 1
BL2163 9/16 6 4 1
BL2164 37/64 6 4 1
BL2165 19/32 6 4 1
BL2166 39/64 6 4 1
BL2167 5/8 6 4 1
BL2175 3/4 6 4 1
BL2176 49/64 6 4 1
BL2177 25/32 6 4 1
BL2187 15/16 6 4 1
BL2183 7/8 6 4 1

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