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

Holemaking > Counterbores & Porting Tools (ET04)
Union Butterfield - 1/4" Head Diam, 1/4" Shank Diam, Counterbore Pilot - Best Tool & Supply

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


Item #: 66386681
Brand: Union Butterfield
Model #: 3210300

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

$42.06

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Value Collection - 7/32" Head Diam, 3/16" Shank Diam, Counterbore Pilot - Best Tool & Supply

Value Collection - 7/32" Head Diam, 3/16" Shank Diam, Counterbore Pilot


Item #: 08904146
Brand: Value Collection
Model #:

Product Specifications
Head Diameter (Inch) 7/32
Shank Diameter (Inch) 3/16
Pilot Material Carbon Steel

$9.87

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Value Collection - #10 Wire Fillister Head Screw Compatible, High Speed Steel, Solid Pilot Counterbore - Best Tool & Supply

Value Collection - #10 Wire Fillister Head Screw Compatible, High Speed Steel, Solid Pilot Counterbore


Item #: 08860108
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 (Decimal Inch) 0.3280
Fastener Size Compatibility (Wire) #10
Counterbore Material High Speed Steel
Standard or Oversize Pilot Standard
Shank Diameter (Decimal Inch) 0.3750
Number of Flutes 2
Aircraft-Style No
Pilot Diameter (Decimal Inch) 0.1890
Shank Type Straight
Overall Length (Inch) 2-7/8
Cutting Direction Forward

$21.60

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Value Collection - #10 to #6 Wire Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore Set - Best Tool & Supply

Value Collection - #10 to #6 Wire Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore Set


Item #: 08862005
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.
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 (Wire) #10
Maximum Fastener Size Compatibility (Wire) #6
Maximum Fastener Size Compatibility (Inch) 1/4
Number of Flutes 3
Counterbore Material High Speed Steel
Fastener Size Compatibility (Wire) #6; #8; #10
Fastener Size Compatibility (Inch) 1/4
Number of Pieces 4
Shank Type Straight
Cutting Direction Forward
Storage Unit Type Block
Storage Unit Material Wood
Aircraft-Style No

$138.46

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Keo - 6mm Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore - Best Tool & Supply

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


Item #: 44850774
Brand: Keo
Model #: 56212

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) 5.00
Overall Length (mm) 80.00

$60.89

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Union Butterfield - 11/16" Head Diam, 7/16" Shank Diam, Counterbore Pilot - Best Tool & Supply

Union Butterfield - 11/16" Head Diam, 7/16" Shank Diam, Counterbore Pilot


Item #: 65707325
Brand: Union Butterfield
Model #: 3210175

Product Specifications
Head Diameter (Inch) 11/16
Shank Diameter (Inch) 7/16
Finish/Coating Bright
Aircraft-Style No
Pilot Material High Speed Steel

$81.76

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Cleveland - 13/32" Head Diam, 5/16" Shank Diam, Counterbore Pilot - Best Tool & Supply

Cleveland - 13/32" Head Diam, 5/16" Shank Diam, Counterbore Pilot


Item #: 63677652
Brand: Cleveland
Model #: C46594

Product Specifications
Head Diameter (Inch) 13/32
Shank Diameter (Inch) 5/16
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

$39.42

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Value Collection - 1/2" Compatible High Speed Steel, Solid Pilot Counterbore - Best Tool & Supply

Value Collection - 1/2" Compatible High Speed Steel, Solid Pilot Counterbore


Item #: 08861320
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) 25/32
Fastener Size Compatibility (Inch) 1/2
Counterbore Material High Speed Steel
Standard or Oversize Pilot Standard
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (Inch) 17/32
Shank Type Morse Taper
Shank Taper Designation 2MT
Cutting Direction Forward

$76.37

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Union Butterfield - 7/16" Head Diam, 1/4" Shank Diam, Counterbore Pilot - Best Tool & Supply

Union Butterfield - 7/16" Head Diam, 1/4" Shank Diam, Counterbore Pilot


Item #: 65706939
Brand: Union Butterfield
Model #: 3210134

Product Specifications
Head Diameter (Inch) 7/16
Shank Diameter (Inch) 1/4
Finish/Coating Bright
Aircraft-Style No
Pilot Material High Speed Steel

$48.52

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Union Butterfield - 5/8" Head Diam, 3/16" Shank Diam, Counterbore Pilot - Best Tool & Supply

Union Butterfield - 5/8" Head Diam, 3/16" Shank Diam, Counterbore Pilot


Item #: 65706962
Brand: Union Butterfield
Model #: 3210131

Product Specifications
Head Diameter (Inch) 5/8
Shank Diameter (Inch) 3/16
Finish/Coating Bright
Aircraft-Style No
Pilot Material High Speed Steel

$83.26

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Value Collection - 9/32" Head Diam, 5/32" Shank Diam, Counterbore Pilot - Best Tool & Supply

Value Collection - 9/32" Head Diam, 5/32" Shank Diam, Counterbore Pilot


Item #: 08903189
Brand: Value Collection
Model #:

Product Specifications
Head Diameter (Inch) 9/32
Shank Diameter (Inch) 5/32
Pilot Material Carbon Steel

$10.48

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

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


Item #: 81853327
Brand: Cleveland
Model #: C91711

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) 12.70
Counterbore Diameter (Inch) 1/2
Counterbore Diameter (Decimal Inch) 0.5000
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) 11/32
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

$135.22

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Value Collection - 7/16" Head Diam, 5/16" Shank Diam, Counterbore Pilot - Best Tool & Supply

Value Collection - 7/16" Head Diam, 5/16" Shank Diam, Counterbore Pilot


Item #: 08906281
Brand: Value Collection
Model #:

Product Specifications
Head Diameter (Inch) 7/16
Shank Diameter (Inch) 5/16
Pilot Material Carbon Steel

$12.05

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Keo - 6mm Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore - Best Tool & Supply

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


Item #: 44850758
Brand: Keo
Model #: 56213

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) 6.40
Overall Length (mm) 80.00

$60.89

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Made in USA - 7/32" Head Diam, 1/8" Shank Diam, Counterbore Pilot - Best Tool & Supply

Made in USA - 7/32" Head Diam, 1/8" Shank Diam, Counterbore Pilot


Item #: 78902145
Brand: Made in USA
Model #:

Product Specifications
Head Diameter (Inch) 7/32
Shank Diameter (Inch) 1/8
Finish/Coating Bright
Aircraft-Style No
Pilot Material Carbon Steel

$12.28

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Value Collection - 39 Piece, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore Set - Best Tool & Supply

Value Collection - 39 Piece, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore Set


Item #: 08794844
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.
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
Number of Flutes 3
Counterbore Material High Speed Steel
Aircraft-Style No
Finish/Coating Bright
Fastener Size Compatibility (Inch) 1/4; 5/16; 3/8; 7/16; 1/2; 9/16; 5/8; 11/16; 3/4; 13/16; 7/8; 15/16; 1
Number of Pieces 39
Shank Type Straight
Standard or Oversize Pilot Standard
Storage Unit Type Case
Storage Unit Material Wood

$1,011.56

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Cleveland - #12 Wire Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore - Best Tool & Supply

Cleveland - #12 Wire Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore


Item #: 81852147
Brand: Cleveland
Model #: C91701

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) 0.3480
Fastener Size Compatibility (Wire) #12
Counterbore Material High Speed Steel
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (Inch) 11/32
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (Decimal Inch) 0.2130
Shank Type Straight
Overall Length (mm) 88.90
Overall Length (Inch) 3-1/2
Overall Length (Decimal Inch) 3.50
Cutting Direction Forward
Material Application Alloy Tool Steel; Carbon Steel; Cast Iron

$120.86

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Cleveland - 11/32" Head Diam, 1/8" Shank Diam, Counterbore Pilot - Best Tool & Supply

Cleveland - 11/32" Head Diam, 1/8" Shank Diam, Counterbore Pilot


Item #: 63677041
Brand: Cleveland
Model #: C46576

Product Specifications
Head Diameter (Inch) 11/32
Shank Diameter (Inch) 1/8
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

$29.61

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Union Butterfield - 7/16" Head Diam, 3/8" Shank Diam, Counterbore Pilot - Best Tool & Supply

Union Butterfield - 7/16" Head Diam, 3/8" Shank Diam, Counterbore Pilot


Item #: 65706913
Brand: Union Butterfield
Model #: 3210155

Product Specifications
Head Diameter (Inch) 7/16
Shank Diameter (Inch) 3/8
Finish/Coating Bright
Aircraft-Style No
Pilot Material High Speed Steel

$48.52

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Interstate - 4mm Compatible Cobalt, Solid Pilot Counterbore - Best Tool & Supply

Interstate - 4mm Compatible Cobalt, Solid Pilot Counterbore


Item #: 45403409
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) 8.00
Fastener Size Compatibility (mm) 4.00
Counterbore Material Cobalt
Shank Diameter (Decimal Inch) 0.3120
Number of Flutes 3
Pilot Diameter (mm) 4.50
Shank Type Straight
Overall Length (mm) 88.90
Cutting Direction Forward

$28.57

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