Counterbores

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Capscrew Counterbores
Pilots For Counterbores
Solid Counterbores
Straight Shank Counterbores
Taper Shank Counterbores
  • 3/8" X3/32 High Speed A/C Countrbore 1/4" Shank

    Drill America

    3/8" X3/32 High Speed A/C Countrbore 1/4" Shank

    Counterboring Is The Enlargement Of A Portion Of A Hole That Has Previously Been Formed. If The Counterbored Portion Is Shallow (1/8" Or Less), The Operations Is Usually Known As Spot-Facing; For Example, A Flat Seat For A Bolt Head Or Nut. If The Hole...

    $22.51
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  • 3/4" X3/16 High Speed A/C Countrbore 1/4" Shank

    Drill America

    3/4" X3/16 High Speed A/C Countrbore 1/4" Shank

    Counterboring Is The Enlargement Of A Portion Of A Hole That Has Previously Been Formed. If The Counterbored Portion Is Shallow (1/8" Or Less), The Operations Is Usually Known As Spot-Facing; For Example, A Flat Seat For A Bolt Head Or Nut. If The Hole...

    $35.57
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  • 29/32" X3/16 High Speed A/C C'Bore 1/4" Shank

    Drill America

    29/32" X3/16 High Speed A/C C'Bore 1/4" Shank

    Counterboring Is The Enlargement Of A Portion Of A Hole That Has Previously Been Formed. If The Counterbored Portion Is Shallow (1/8" Or Less), The Operations Is Usually Known As Spot-Facing; For Example, A Flat Seat For A Bolt Head Or Nut. If The Hole...

    $40.02
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  • 27/32" X3/16 High Speed A/C C'Bore 1/4" Shank

    Drill America

    27/32" X3/16 High Speed A/C C'Bore 1/4" Shank

    Counterboring Is The Enlargement Of A Portion Of A Hole That Has Previously Been Formed. If The Counterbored Portion Is Shallow (1/8" Or Less), The Operations Is Usually Known As Spot-Facing; For Example, A Flat Seat For A Bolt Head Or Nut. If The Hole...

    $38.12
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  • 25/32" X3/16 High Speed A/C C'Bore 1/4" Shank

    Drill America

    25/32" X3/16 High Speed A/C C'Bore 1/4" Shank

    Counterboring Is The Enlargement Of A Portion Of A Hole That Has Previously Been Formed. If The Counterbored Portion Is Shallow (1/8" Or Less), The Operations Is Usually Known As Spot-Facing; For Example, A Flat Seat For A Bolt Head Or Nut. If The Hole...

    $37.58
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  • 23/32" X3/16 High Speed A/C C'Bore 1/4" Shank

    Drill America

    23/32" X3/16 High Speed A/C C'Bore 1/4" Shank

    Counterboring Is The Enlargement Of A Portion Of A Hole That Has Previously Been Formed. If The Counterbored Portion Is Shallow (1/8" Or Less), The Operations Is Usually Known As Spot-Facing; For Example, A Flat Seat For A Bolt Head Or Nut. If The Hole...

    $35.55
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  • 21/32" X3/16 High Speed A/C C'Bore 1/4" Shank

    Drill America

    21/32" X3/16 High Speed A/C C'Bore 1/4" Shank

    Counterboring Is The Enlargement Of A Portion Of A Hole That Has Previously Been Formed. If The Counterbored Portion Is Shallow (1/8" Or Less), The Operations Is Usually Known As Spot-Facing; For Example, A Flat Seat For A Bolt Head Or Nut. If The Hole...

    $33.78
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  • 19/32" X1/8 High Speed A/C C'Bore 1/4" Shank

    Drill America

    19/32" X1/8 High Speed A/C C'Bore 1/4" Shank

    Counterboring Is The Enlargement Of A Portion Of A Hole That Has Previously Been Formed. If The Counterbored Portion Is Shallow (1/8" Or Less), The Operations Is Usually Known As Spot-Facing; For Example, A Flat Seat For A Bolt Head Or Nut. If The Hole...

    $30.97
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  • 17/32" X1/8 High Speed A/C C'Bore 1/4" Shank

    Drill America

    17/32" X1/8 High Speed A/C C'Bore 1/4" Shank

    Counterboring Is The Enlargement Of A Portion Of A Hole That Has Previously Been Formed. If The Counterbored Portion Is Shallow (1/8" Or Less), The Operations Is Usually Known As Spot-Facing; For Example, A Flat Seat For A Bolt Head Or Nut. If The Hole...

    $28.51
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  • 15/32" X1/8 High Speed A/C C'Bore 1/4" Shank

    Drill America

    15/32" X1/8 High Speed A/C C'Bore 1/4" Shank

    Counterboring Is The Enlargement Of A Portion Of A Hole That Has Previously Been Formed. If The Counterbored Portion Is Shallow (1/8" Or Less), The Operations Is Usually Known As Spot-Facing; For Example, A Flat Seat For A Bolt Head Or Nut. If The Hole...

    $24.43
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  • 15/16" X3/16 High Speed A/C C'Bore 1/4" Shank

    Drill America

    15/16" X3/16 High Speed A/C C'Bore 1/4" Shank

    Counterboring Is The Enlargement Of A Portion Of A Hole That Has Previously Been Formed. If The Counterbored Portion Is Shallow (1/8" Or Less), The Operations Is Usually Known As Spot-Facing; For Example, A Flat Seat For A Bolt Head Or Nut. If The Hole...

    $40.03
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  • 13/32" X1/8 High Speed A/C C'Bore 1/4" Shank

    Drill America

    13/32" X1/8 High Speed A/C C'Bore 1/4" Shank

    Counterboring Is The Enlargement Of A Portion Of A Hole That Has Previously Been Formed. If The Counterbored Portion Is Shallow (1/8" Or Less), The Operations Is Usually Known As Spot-Facing; For Example, A Flat Seat For A Bolt Head Or Nut. If The Hole...

    $24.70
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  • 13/16" X3/16 High Speed A/C C'Bore 1/4" Shank

    Drill America

    13/16" X3/16 High Speed A/C C'Bore 1/4" Shank

    Counterboring Is The Enlargement Of A Portion Of A Hole That Has Previously Been Formed. If The Counterbored Portion Is Shallow (1/8" Or Less), The Operations Is Usually Known As Spot-Facing; For Example, A Flat Seat For A Bolt Head Or Nut. If The Hole...

    $36.39
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  • 11/32" X3/32 High Speed A/C C'Bore 1/4" Shank

    Drill America

    11/32" X3/32 High Speed A/C C'Bore 1/4" Shank

    Counterboring Is The Enlargement Of A Portion Of A Hole That Has Previously Been Formed. If The Counterbored Portion Is Shallow (1/8" Or Less), The Operations Is Usually Known As Spot-Facing; For Example, A Flat Seat For A Bolt Head Or Nut. If The Hole...

    $22.51
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  • 11/16" X3/16 High Speed A/C C'Bore 1/4" Shank

    Drill America

    11/16" X3/16 High Speed A/C C'Bore 1/4" Shank

    Counterboring Is The Enlargement Of A Portion Of A Hole That Has Previously Been Formed. If The Counterbored Portion Is Shallow (1/8" Or Less), The Operations Is Usually Known As Spot-Facing; For Example, A Flat Seat For A Bolt Head Or Nut. If The Hole...

    $34.18
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