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

Cleveland - 7/16" Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore - Makers Industrial Supply

Cleveland - 7/16" Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore


Item #: 81852410
Brand: Cleveland
Model #: C91717

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) 41/64
Fastener Size Compatibility (Inch) 7/16
Counterbore Material High Speed Steel
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (Inch) 1/2
Shank Diameter (mm) 12.70
Shank Diameter (Decimal Inch) 0.5000
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (Inch) 29/64
Shank Type Straight
Overall Length (mm) 177.80
Overall Length (Inch) 7
Overall Length (Decimal Inch) 7.00
Cutting Direction Forward
Material Application Alloy Tool Steel; Carbon Steel; Cast Iron

$160.37

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Made in USA - 1" Head Diam, 3/8" Shank Diam, Counterbore Pilot - Makers Industrial Supply

Made in USA - 1" Head Diam, 3/8" Shank Diam, Counterbore Pilot


Item #: 78907649
Brand: Made in USA
Model #:

Product Specifications
Head Diameter (Inch) 1
Shank Diameter (Inch) 3/8
Finish/Coating Bright
Aircraft-Style No
Pilot Material Carbon Steel

$38.06

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Value Collection - 1/4" Compatible High Speed Steel, Solid Pilot Counterbore - Makers Industrial Supply

Value Collection - 1/4" Compatible High Speed Steel, Solid Pilot Counterbore


Item #: 08861163
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) 13/32
Fastener Size Compatibility (Inch) 1/4
Counterbore Material High Speed Steel
Standard or Oversize Pilot Standard
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (Inch) 9/32
Shank Type Morse Taper
Shank Taper Designation 2MT
Cutting Direction Forward

$51.79

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Cleveland - 1/2" Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore - Makers Industrial Supply

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


Item #: 81852493
Brand: Cleveland
Model #: C91722

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) 49/64
Fastener Size Compatibility (Inch) 1/2
Counterbore Material High Speed Steel
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (Inch) 1/2
Shank Diameter (mm) 12.70
Shank Diameter (Decimal Inch) 0.5000
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (Inch) 33/64
Shank Type Straight
Overall Length (mm) 184.15
Overall Length (Inch) 7-1/4
Overall Length (Decimal Inch) 7.25
Cutting Direction Forward
Material Application Alloy Tool Steel; Carbon Steel; Cast Iron

$160.37

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Value Collection - 7/32" Head Diam, 1/8" Shank Diam, Counterbore Pilot - Makers Industrial Supply

Value Collection - 7/32" Head Diam, 1/8" Shank Diam, Counterbore Pilot


Item #: 08902140
Brand: Value Collection
Model #:

Product Specifications
Head Diameter (Inch) 7/32
Shank Diameter (Inch) 1/8
Pilot Material Carbon Steel

$10.22

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Alvord Polk - 8-32 Fillister Head Screw Compatible, Solid Pilot Counterbore - Makers Industrial Supply

Alvord Polk - 8-32 Fillister Head Screw Compatible, Solid Pilot Counterbore


Item #: 43997865
Brand: Alvord Polk
Model #: 33009

Features and Benefits

Titanium Nitride (TiN) is a multi-purpose coating which increases chip flow in softer materials. The heat and hardness resistance allows the tool to run at higher speeds than uncoated tools.
Product Specifications
Fastener Type Compatibility Fillister-Head Screw
Counterbore Diameter (Decimal Inch) 0.2720
Fastener Size Compatibility (Inch) 8-32
Finish/Coating TiN
Standard or Oversize Pilot Standard
Shank Diameter (Decimal Inch) 0.2500
Aircraft-Style No
Pilot Diameter (Decimal Inch) 0.1640
Shank Type Straight
Overall Length (Inch) 5
Overall Length (Decimal Inch) 5.00
Cutting Direction Forward

$46.27

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Value Collection - 13/16" Head Diam, 5/16" Shank Diam, Counterbore Pilot - Makers Industrial Supply

Value Collection - 13/16" Head Diam, 5/16" Shank Diam, Counterbore Pilot


Item #: 08906521
Brand: Value Collection
Model #:

Product Specifications
Head Diameter (Inch) 13/16
Shank Diameter (Inch) 5/16
Pilot Material Carbon Steel

$20.78

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Cleveland - 3/4" Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore - Makers Industrial Supply

Cleveland - 3/4" Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore


Item #: 81853723
Brand: Cleveland
Model #: C91735

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) 1-5/32
Fastener Size Compatibility (Inch) 3/4
Counterbore Material High Speed Steel
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (Inch) 1
Shank Diameter (mm) 25.40
Shank Diameter (Decimal Inch) 1.0000
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (Inch) 25/32
Shank Type Straight
Overall Length (Inch) 8-13/16
Cutting Direction Forward
Material Application Alloy Tool Steel; Carbon Steel; Cast Iron

$302.65

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Union Butterfield - 1/2" Head Diam, 1/4" Shank Diam, Counterbore Pilot - Makers Industrial Supply

Union Butterfield - 1/2" Head Diam, 1/4" Shank Diam, Counterbore Pilot


Item #: 65707440
Brand: Union Butterfield
Model #: 3210135

Product Specifications
Head Diameter (Inch) 1/2
Shank Diameter (Inch) 1/4
Finish/Coating Bright
Aircraft-Style No
Pilot Material High Speed Steel

$55.72

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Union Butterfield - 1/2" Head Diam, 5/16" Shank Diam, Counterbore Pilot - Makers Industrial Supply

Union Butterfield - 1/2" Head Diam, 5/16" Shank Diam, Counterbore Pilot


Item #: 65707416
Brand: Union Butterfield
Model #: 3210144

Product Specifications
Head Diameter (Inch) 1/2
Shank Diameter (Inch) 5/16
Finish/Coating Bright
Aircraft-Style No
Pilot Material High Speed Steel

$55.72

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Keo - 3/4" Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore - Makers Industrial Supply

Keo - 3/4" Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore


Item #: 02828713
Brand: Keo
Model #: 55234

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) 1.2030
Fastener Size Compatibility (Inch) 3/4
Counterbore Material Cobalt
Finish/Coating Bright
Standard or Oversize Pilot Oversize
Shank Diameter (Inch) 3/4
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (Decimal Inch) 0.7810
Shank Type Straight
Overall Length (Inch) 7
Cutting Direction Forward

$203.42

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Union Butterfield - 7/16" Head Diam, 5/16" Shank Diam, Counterbore Pilot - Makers Industrial Supply

Union Butterfield - 7/16" Head Diam, 5/16" Shank Diam, Counterbore Pilot


Item #: 65706905
Brand: Union Butterfield
Model #: 3210143

Product Specifications
Head Diameter (Inch) 7/16
Shank Diameter (Inch) 5/16
Finish/Coating Bright
Aircraft-Style No
Pilot Material High Speed Steel

$48.52

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Keo - #10 to #4 Wire Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore Set - Makers Industrial Supply

Keo - #10 to #4 Wire Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore Set


Item #: 02828762
Brand: Keo
Model #: 55239

Features and Benefits

Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Straight shanks are used for general purpose applications. The shank is smaller than the drill bit diameter. They are used with portable drills and drill presses on ferrous and non-ferrous materials.
Product Specifications
Fastener Type Compatibility Socket-Head Cap Screw
Minimum Fastener Size Compatibility (Inch) 1/4
Minimum Fastener Size Compatibility (mm) 6
Minimum Fastener Size Compatibility (Wire) #10
Maximum Fastener Size Compatibility (Wire) #4
Maximum Fastener Size Compatibility (Inch) 1/2
Standard or Oversize Pilot Standard
Number of Flutes 3
Counterbore Material Cobalt
Finish/Coating Bright
Fastener Size Compatibility (Wire) #4; #6; #8; #10
Fastener Size Compatibility (Inch) 1/4; 5/16; 3/8; 1/2
Number of Pieces 7
Shank Type Straight
Cutting Direction Forward
Storage Unit Type Case
Storage Unit Material Plastic
Aircraft-Style No

$464.76

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Made in USA - 1/4" Head Diam, 3/32" Shank Diam, Counterbore Pilot - Makers Industrial Supply

Made in USA - 1/4" Head Diam, 3/32" Shank Diam, Counterbore Pilot


Item #: 78901162
Brand: Made in USA
Model #:

Product Specifications
Head Diameter (Inch) 1/4
Shank Diameter (Inch) 3/32
Finish/Coating Bright
Aircraft-Style No
Pilot Material Carbon Steel

$11.46

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Union Butterfield - 3/4" Head Diam, 7/16" Shank Diam, Counterbore Pilot - Makers Industrial Supply

Union Butterfield - 3/4" Head Diam, 7/16" Shank Diam, Counterbore Pilot


Item #: 65707077
Brand: Union Butterfield
Model #: 3210176

Product Specifications
Head Diameter (Inch) 3/4
Shank Diameter (Inch) 7/16
Finish/Coating Bright
Aircraft-Style No
Pilot Material High Speed Steel

$92.60

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Union Butterfield - 7/8" Head Diam, 3/8" Shank Diam, Counterbore Pilot - Makers Industrial Supply

Union Butterfield - 7/8" Head Diam, 3/8" Shank Diam, Counterbore Pilot


Item #: 65706855
Brand: Union Butterfield
Model #: 3210162

Product Specifications
Head Diameter (Inch) 7/8
Shank Diameter (Inch) 3/8
Finish/Coating Bright
Aircraft-Style No
Pilot Material High Speed Steel

$114.90

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Made in USA - 12mm Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore - Makers Industrial Supply

Made in USA - 12mm Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore


Item #: 01570043
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) 20.00
Fastener Size Compatibility (mm) 12.00
Counterbore Material High Speed Steel
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (Inch) 1/2
Shank Diameter (mm) 12.70
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (mm) 13.00
Shank Type Straight
Overall Length (mm) 152.40
Overall Length (Inch) 6
Cutting Direction Forward

$113.11

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Cleveland - Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore - Makers Industrial Supply

Cleveland - Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore


Item #: 81853889
Brand: Cleveland
Model #: C91749

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) 1-9/16
Counterbore Material High Speed Steel
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (Inch) 1
Shank Diameter (mm) 25.40
Shank Diameter (Decimal Inch) 1.0000
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (Inch) 1-1/16
Shank Type Straight
Overall Length (Inch) 8-13/16
Cutting Direction Forward
Material Application Alloy Tool Steel; Carbon Steel; Cast Iron

$449.83

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Made in USA - #8 Wire Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore - Makers Industrial Supply

Made in USA - #8 Wire Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore


Item #: 08272759
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) 0.3040
Fastener Size Compatibility (Wire) #8
Counterbore Material High Speed Steel
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (Inch) 1/4
Number of Flutes 4
Aircraft-Style No
Pilot Diameter (Decimal Inch) 0.1950
Shank Type Straight
Overall Length (Inch) 5
Cutting Direction Forward

$43.87

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Keo - 6mm Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore - Makers Industrial Supply

Keo - 6mm Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore


Item #: 44850741
Brand: Keo
Model #: 56214

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 (mm) 11.00
Fastener Size Compatibility (mm) 6.00
Counterbore Material Cobalt
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (mm) 8.00
Number of Flutes 3
Pilot Diameter (mm) 6.60
Overall Length (mm) 80.00

$60.89

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