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  • 7/16" HSS Heavy Duty Jobber Drill Bit DR74028
  • 7/16" HSS Heavy Duty Jobber Drill Bit DR74028
  • 7/16" HSS Heavy Duty Jobber Drill Bit DR74028
  • 7/16" HSS Heavy Duty Jobber Drill Bit DR74028

    • 7/16" HSS Heavy Duty Jobber Drill Bit DR74028

    Clarkson-Osborn

    $15.32
    (No reviews yet) Write a Review
    SKU:
    CLK DR74028
    Weight:
    0.00 LBS
    Diameter:
    7/16"
    Flute length:
    4-1/16"
    Overall length:
    5-1/2"
    Package quantity/sold as each:
    5
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    Product Description

  • HSS
  • Black oxide finish
  • 135° Degree split point (self-centering) which eliminates "walking" and reduces the thrust force needed
  • Heavy web construction gives this drill higher torsional strength which allows it to be used in harder materials with heavier feed rates
  • Black oxide surface treatment increases lubricant retention, wear resistance and reduces chip welding

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    Custom Field

    Diameter 7/16"
    Flute length 4-1/16"
    Overall length 5-1/2"
    Package quantity/sold as each 5

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