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Holemaking > Counterbores & Porting Tools (ET04) - (2029 Products)


Union Butterfield - 1/4" Head Diam, 5/32" Shank Diam, Counterbore Pilot


Item #: 66386699
Brand: Union Butterfield
Model #: 3210121

Product Specifications
Head Diameter (Inch) 1/4
Shank Diameter (Inch) 5/32
Finish/Coating Bright
Aircraft-Style No
Pilot Material High Speed Steel

$40.45

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Keo - 7/16" Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore


Item #: 02828630
Brand: Keo
Model #: 55226

Features and Benefits

Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Fastener Type Compatibility Socket-Head Cap Screw
Counterbore Diameter (Decimal Inch) 0.6950
Fastener Size Compatibility (Inch) 7/16
Counterbore Material Cobalt
Finish/Coating Bright
Standard or Oversize Pilot Oversize
Shank Diameter (Inch) 1/2
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (Decimal Inch) 0.4680
Shank Type Straight
Overall Length (Inch) 5
Cutting Direction Forward

$86.50

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Value Collection - 5/16" Head Diam, 5/32" Shank Diam, Counterbore Pilot


Item #: 08903205
Brand: Value Collection
Model #:

Product Specifications
Head Diameter (Inch) 5/16
Shank Diameter (Inch) 5/32
Pilot Material Carbon Steel

$10.48

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Made in USA - 5/8" Head Diam, 5/16" Shank Diam, Counterbore Pilot


Item #: 78906401
Brand: Made in USA
Model #:

Product Specifications
Head Diameter (Inch) 5/8
Shank Diameter (Inch) 5/16
Finish/Coating Bright
Aircraft-Style No
Pilot Material Carbon Steel

$23.30

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Interstate - 20mm Compatible Cobalt, Solid Pilot Counterbore


Item #: 45403482
Brand: Interstate
Model #:

Features and Benefits

Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Product Specifications
Counterbore Diameter (mm) 33.00
Fastener Size Compatibility (mm) 20.00
Counterbore Material Cobalt
Number of Flutes 3
Pilot Diameter (mm) 21.00
Shank Taper Designation 2MT
Overall Length (mm) 254.00
Cutting Direction Forward

$178.34

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Keo - #5 Wire Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore


Item #: 02828416
Brand: Keo
Model #: 55204

Features and Benefits

Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Fastener Type Compatibility Socket-Head Cap Screw
Counterbore Diameter (Decimal Inch) 0.2210
Fastener Size Compatibility (Wire) #5
Counterbore Material Cobalt
Finish/Coating Bright
Standard or Oversize Pilot Oversize
Shank Diameter (Inch) 3/16
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (Decimal Inch) 0.1400
Shank Type Straight
Overall Length (Inch) 3
Cutting Direction Forward

$50.30

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Cleveland - 1/4" Head Diam, 3/32" Shank Diam, Counterbore Pilot


Item #: 63676852
Brand: Cleveland
Model #: C46554

Product Specifications
Head Diameter (Inch) 1/4
Shank Diameter (Inch) 3/32
Finish/Coating Bright
Aircraft-Style No
Pilot Material High Speed Steel
Material Application Alloy Tool Steel; Aluminum; Cast Iron; Low Carbon Steel; Medium Carbon Steel

$28.54

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Cleveland - 3/4" Head Diam, 3/8" Shank Diam, Counterbore Pilot


Item #: 63677934
Brand: Cleveland
Model #: C46669

Product Specifications
Head Diameter (Inch) 3/4
Shank Diameter (Inch) 3/8
Finish/Coating Bright
Aircraft-Style No
Pilot Material High Speed Steel
Material Application Alloy Tool Steel; Aluminum; Cast Iron; Low Carbon Steel; Medium Carbon Steel

$57.19

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Value Collection - Fillister Head Screw Compatible, High Speed Steel, Solid Pilot Counterbore


Item #: 08860165
Brand: Value Collection
Model #:

Features and Benefits

High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
Product Specifications
Fastener Type Compatibility Fillister-Head Screw
Counterbore Diameter (Inch) 13/32
Counterbore Material High Speed Steel
Standard or Oversize Pilot Standard
Shank Diameter (Inch) 1/4
Number of Flutes 2
Aircraft-Style No
Pilot Diameter (Inch) 1/4
Shank Type Straight
Overall Length (Inch) 3-5/8
Cutting Direction Forward

$32.68

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Value Collection - 11/16" Head Diam, 3/16" Shank Diam, Counterbore Pilot


Item #: 08904443
Brand: Value Collection
Model #:

Product Specifications
Head Diameter (Inch) 11/16
Shank Diameter (Inch) 3/16
Pilot Material Carbon Steel

$16.95

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Value Collection - 3/4" Compatible High Speed Steel, Solid Pilot Counterbore


Item #: 08862484
Brand: Value Collection
Model #:

Features and Benefits

High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
Product Specifications
Counterbore Diameter (Inch) 1-3/16
Fastener Size Compatibility (Inch) 3/4
Counterbore Material High Speed Steel
Standard or Oversize Pilot Standard
Shank Diameter (Inch) 1
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (Inch) 13/16
Shank Type Straight
Cutting Direction Forward

$110.56

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Made in USA - 1/2" Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore


Item #: 08272916
Brand: Made in USA
Model #:

Features and Benefits

High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Fastener Type Compatibility Socket-Head Cap Screw
Counterbore Diameter (Decimal Inch) 0.7550
Fastener Size Compatibility (Inch) 1/2
Fastener Size Compatibility (Decimal Inch) 0.5000
Counterbore Material High Speed Steel
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (Inch) 1/2
Shank Diameter (Decimal Inch) 0.5000
Number of Flutes 4
Aircraft-Style No
Pilot Diameter (Inch) 1/2
Pilot Diameter (Decimal Inch) 0.5000
Shank Type Straight
Overall Length (Inch) 7-1/2
Cutting Direction Forward

$87.80

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Cleveland - 5/32" Head Diam, 5/32" Shank Diam, Counterbore Pilot


Item #: 63677108
Brand: Cleveland
Model #: C46529

Product Specifications
Head Diameter (Inch) 5/32
Shank Diameter (Inch) 5/32
Finish/Coating Bright
Aircraft-Style No
Pilot Material High Speed Steel
Material Application Alloy Tool Steel; Aluminum; Cast Iron; Low Carbon Steel; Medium Carbon Steel

$24.59

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Value Collection - 1-1/8" Head Diam, 3/8" Shank Diam, Counterbore Pilot


Item #: 08907701
Brand: Value Collection
Model #:

Product Specifications
Head Diameter (Inch) 1-1/8
Shank Diameter (Inch) 3/8
Pilot Material Carbon Steel

$33.20

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Value Collection - 1/4" Head Diam, 1/8" Shank Diam, Counterbore Pilot


Item #: 08902165
Brand: Value Collection
Model #:

Product Specifications
Head Diameter (Inch) 1/4
Shank Diameter (Inch) 1/8
Pilot Material Carbon Steel

$9.87

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Cleveland - 5/16" Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore


Item #: 81852295
Brand: Cleveland
Model #: C92708

Features and Benefits

High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Fastener Type Compatibility Socket-Head Cap Screw
Counterbore Diameter (Inch) 29/64
Fastener Size Compatibility (Inch) 5/16
Counterbore Material High Speed Steel
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (Inch) 7/16
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (Inch) 21/64
Shank Type Straight
Overall Length (mm) 152.40
Overall Length (Inch) 6
Overall Length (Decimal Inch) 6.00
Cutting Direction Forward
Material Application Alloy Tool Steel; Carbon Steel; Cast Iron

$130.15

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Value Collection - 1-5/16" Head Diam, 3/8" Shank Diam, Counterbore Pilot


Item #: 08907768
Brand: Value Collection
Model #:

Product Specifications
Head Diameter (Inch) 1-5/16
Shank Diameter (Inch) 3/8
Pilot Material Carbon Steel

$36.33

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Made in USA - 6mm Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore


Item #: 01570019
Brand: Made in USA
Model #:

Features and Benefits

High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Fastener Type Compatibility Socket-Head Cap Screw
Counterbore Diameter (mm) 11.00
Fastener Size Compatibility (mm) 6.00
Counterbore Material High Speed Steel
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (Inch) 3/8
Shank Diameter (mm) 9.53
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (mm) 6.60
Shank Type Straight
Overall Length (mm) 127.00
Overall Length (Inch) 5
Cutting Direction Forward

$71.21

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Value Collection - 1" Compatible High Speed Steel, Solid Pilot Counterbore


Item #: 08861643
Brand: Value Collection
Model #:

Features and Benefits

High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
Product Specifications
Counterbore Diameter (Inch) 1-9/16
Fastener Size Compatibility (Inch) 1
Counterbore Material High Speed Steel
Standard or Oversize Pilot Standard
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (Inch) 1-1/16
Shank Type Morse Taper
Shank Taper Designation 3MT
Cutting Direction Forward

$240.59

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Cleveland - 1-1/16" Head Diam, 7/16" Shank Diam, Counterbore Pilot


Item #: 63678130
Brand: Cleveland
Model #: C46716

Product Specifications
Head Diameter (Inch) 1-1/16
Shank Diameter (Inch) 7/16
Finish/Coating Bright
Aircraft-Style No
Pilot Material High Speed Steel
Material Application Alloy Tool Steel; Aluminum; Cast Iron; Low Carbon Steel; Medium Carbon Steel

$94.29

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