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  • 7/8" x 1/2" Reduced Shank Cobalt Prentice Drill Bit DR51056
  • 7/8" x 1/2" Reduced Shank Cobalt Prentice Drill Bit DR51056
  • 7/8" x 1/2" Reduced Shank Cobalt Prentice Drill Bit DR51056
  • 7/8" x 1/2" Reduced Shank Cobalt Prentice Drill Bit DR51056

    • 7/8" x 1/2" Reduced Shank Cobalt Prentice Drill Bit DR51056

    Clarkson-Osborn

    $77.51
    (No reviews yet) Write a Review
    SKU:
    CLK DR51056
    Weight:
    0.00 LBS
    Diameter:
    7/8"
    Flute length:
    3"
    Overall length:
    6"
    Shank diameter:
    1/2"
    Package quantity/sold as each:
    1
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    Product Description

  • Cobalt prentice drills offer increased hardness, toughness and better wear resistance compared to regular HSS
  • Gold oxide surface finish provides a polished finish and prevents chip building, galling and welding on a workpiece
  • 135° Degree split point for fast penetration and accurate starting (self-centering) which eliminates "walking" and reduces the thrust force needed
  • 1/2" Standard reduced shank to expand the size range capacity of 1/2" drill chucks
  • Ideal for harder steels, heat treated and high temperature alloys, and stainless

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    Custom Field

    Diameter 7/8"
    Flute length 3"
    Overall length 6"
    Shank diameter 1/2"
    Package quantity/sold as each 1

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