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Drill America - DEWA/CCBR9/16 DEWCBR Series Qualtech High-Speed Steel Aircraft Counterbore, 1/4" Shank Diameter, 1/8" Pilot, 2-13/16" Length, 9/16" Size (Pack of 1)

Drill America - DEWA/CCBR9/16 DEWCBR Series Qualtech High-Speed Steel Aircraft Counterbore, 1/4" Shank Diameter, 1/8" Pilot, 2-13/16" Length, 9/16" Size (Pack of 1)

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  • Drill America - 11/16 X 3/16 HSS Aircraft Counterbore 1/4 Shank | Premium Counterbores by Drill America
    34.18
    Bayou Tool Services

    Drill America - 11/16 X 3/16 HSS Aircraft Counterbore 1/4 Shank | Premium Counterbores by Drill America

    Delivery date & cost shown at checkout

  • Drill America - 13/16 X 3/16 HSS Aircraft Counterbore 1/4 Shank | Premium Counterbores by Drill America
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    Drill America - 13/16 X 3/16 HSS Aircraft Counterbore 1/4 Shank | Premium Counterbores by Drill America

    Delivery date & cost shown at checkout

  • Drill America - 15/16 X 1/4 Pilot Hole HSS Taper Shank Counterbore | Premium Counterbores by Drill America
    36.58
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    Drill America - 15/16 X 1/4 Pilot Hole HSS Taper Shank Counterbore | Premium Counterbores by Drill America

    Delivery date & cost shown at checkout

  • Drill America - 15/16 X 3/16 HSS Aircraft Counterbore 1/4 Shank | Premium Counterbores by Drill America
    40.03
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    Drill America - 15/16 X 3/16 HSS Aircraft Counterbore 1/4 Shank | Premium Counterbores by Drill America

    Delivery date & cost shown at checkout

  • Drill America - 17/32 X 1/8 HSS Aircraft Counterbore 1/4 Shank | Premium Counterbores by Drill America
    28.51
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    Drill America - 17/32 X 1/8 HSS Aircraft Counterbore 1/4 Shank | Premium Counterbores by Drill America

    Delivery date & cost shown at checkout

  • Drill America - 19/32 X 1/8 HSS Aircraft Counterbore 1/4 Shank | Premium Counterbores by Drill America
    30.97
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    Drill America - 19/32 X 1/8 HSS Aircraft Counterbore 1/4 Shank | Premium Counterbores by Drill America

    Delivery date & cost shown at checkout

  • Drill America - 29/64 X 5/32 Pilot Hole HSS Straight Shank Counterbore | Premium Counterbores by Drill America
    24.84
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    Drill America - 29/64 X 5/32 Pilot Hole HSS Straight Shank Counterbore | Premium Counterbores by Drill America

    Delivery date & cost shown at checkout

  • Drill America - 7/8 X 3/16 HSS Aircraft Counterbore 1/4 Shank | Premium Counterbores by Drill America
    38.13
    Bayou Tool Services

    Drill America - 7/8 X 3/16 HSS Aircraft Counterbore 1/4 Shank | Premium Counterbores by Drill America

    Delivery date & cost shown at checkout

  • Drill America - 9/16 X 1/8 HSS Aircraft Counterbore 1/4 Shank | Premium Counterbores by Drill America
    29.03
    Bayou Tool Services

    Drill America - 9/16 X 1/8 HSS Aircraft Counterbore 1/4 Shank | Premium Counterbores by Drill America

    Delivery date & cost shown at checkout

  • Drill America - DEWA/CCBR9/16 DEWCBR Series Qualtech High-Speed Steel Aircraft Counterbore, 1/4" Shank Diameter, 1/8" Pilot, 2-13/16" Length, 9/16"
    34.60
    Amazon.com

    Drill America - DEWA/CCBR9/16 DEWCBR Series Qualtech High-Speed Steel Aircraft Counterbore, 1/4" Shank Diameter, 1/8" Pilot, 2-13/16" Length, 9/16"

    Delivery date & cost shown at checkout

  • Value Collection 3/8" Diam, 1/4" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore - 2-3/8" OAL, Bright Finish, High Speed
    38.13
    MSC Industrial Supply

    Value Collection 3/8" Diam, 1/4" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore - 2-3/8" OAL, Bright Finish, High Speed

    Delivery date & cost shown at checkout

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    Delivery date & cost shown at checkout

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    21.76
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    Delivery date & cost shown at checkout

  • 1/4 X 3/32 Pilot Hole HSS Straight Shank Counterbore
    20.08
    CTI Industrial Supply

    1/4 X 3/32 Pilot Hole HSS Straight Shank Counterbore

    Delivery date & cost shown at checkout

  • 11/16 X 3/16 HSS Aircraft Counterbore 1/4 Shank
    34.76
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    11/16 X 3/16 HSS Aircraft Counterbore 1/4 Shank

    Delivery date & cost shown at checkout

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Product Details

Aircraft counterbore
High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
Round shanks allow use with a wide variety of toolholding systems
Counterboring is the enlargement of a portion of a hole that has previously been formed
The counterbor is a two-piece construction, having an integral shank and counterbore-cutter, and a pilot that is interchangeable, which provides flexibility in the use of the tool

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