Features
  • Short length drill bit offers rigidity to reduce tool deflection and breakage
  • Cobalt steel provides extended tool life compared to high-speed steel drill bits when drilling hard materials
  • Gold oxide finish lubricates and provides wear resistance on ferrous materials
  • 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging
  • Extra-thick web provides increased strength and rigidity compared to standard drill bits
Description
The Chicago-Latrobe 559 series short length drill bit is made from cobalt steel with a gold oxide finish and has a 135-degree split point for penetrating without a pilot hole on ferrous materials. The short length provides rigidity and strength to reduce tool deflection and breakage. Cobalt steel provides extended tool life compared to high-speed steel drill bits, and maintains the tool's toughness and hardness in high drilling temperatures. The gold oxide finish acts as a lubricant and provides wear resistance. The self-centering 135-degree split point penetrates hard material without a pilot hole and produces smaller chips that reduce clogging compared to a 118-degree point. Compared to a standard drill bit, this bit has a thicker web for increased strength and rigidity. The round shank accommodates most drill chucks.
Specs
  • Decimal Equivalent: 0.1590
  • Drill Point (Deg.): 135
  • Finish: Straw
  • Flute Length (In.): 1-1/16
  • Grade: Heavy Duty
  • Item: Screw Machine Drill
  • Material: Cobalt
  • Overall Length (In.): 2-1/8
  • Point Type: Split Point
  • Shank Dia. Type: Standard
  • Wire Size: #21
UPC
662355508763
Brand
Chicago-Latrobe
Model
Drill Bit
Part
50876

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