1/64 In. x 3/4 In. Fractional Jobber Black Oxide Drill Bits

BL4128

Bosch

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Black Oxide Drill Bit

Quick Overview

  • Speed helix design penetrates 3X faster than standard bits
  • Triple tempered black oxide coated bits last 50% longer than regular high speed steel
  • 135° split point starts on contact with no walking or skating and no center punch is required
  • Easier drilling, reduced heat and extended drill bit life
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Details


  • Bit Material: Black Oxide
  • Drill Bit Type: Twist
  • Flute Length (in): 0.375
  • Length (in): 0.75
  • Package Contents: 12 Bits
  • Recommended Safety Equipment: Safety Glasses
  • Shank Diameter (in): 0.015625
  • Bit Diameter: 1/64 In.
  • Minimum Chuck Size Required: 3/8 In.
  • Additional Information


    Manufacturer: Bosch