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Holemaking Products - Counterbores & Porting Tools For Sale | A1 Tooling - (1669 Products)

Value Collection - 1/2" Head Diam, 1/4" Shank Diam, Counterbore Pilot - A1 Tooling

Value Collection - 1/2" Head Diam, 1/4" Shank Diam, Counterbore Pilot


Item #: 08905325
Brand: Value Collection
Model #:

Product Specifications
Head Diameter (Inch) 1/2
Shank Diameter (Inch) 1/4
Pilot Material Carbon Steel

$12.04

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Alvord Polk - 1/2" Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore - A1 Tooling

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


Item #: 43983675
Brand: Alvord Polk
Model #: 03029

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) 0.7890
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 Oversize
Shank Diameter (Decimal Inch) 0.5000
Aircraft-Style No
Pilot Diameter (Decimal Inch) 0.5310
Shank Type Straight
Overall Length (Inch) 7-1/2
Overall Length (Decimal Inch) 7.50
Cutting Direction Forward

$82.47

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Keo - #6 Wire Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore - A1 Tooling

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


Item #: 02828457
Brand: Keo
Model #: 55208

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) 0.2600
Fastener Size Compatibility (Wire) #6
Counterbore Material Cobalt
Finish/Coating Bright
Standard or Oversize Pilot Oversize
Shank Diameter (Inch) 7/32
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (Decimal Inch) 0.1690
Shank Type Straight
Overall Length (Inch) 3
Cutting Direction Forward

$55.48

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Value Collection - 1" Head Diam, 3/8" Shank Diam, Counterbore Pilot - A1 Tooling

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


Item #: 08907644
Brand: Value Collection
Model #:

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

$26.62

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Value Collection - #3 Wire Fillister Head Screw Compatible, High Speed Steel, Solid Pilot Counterbore - A1 Tooling

Value Collection - #3 Wire Fillister Head Screw Compatible, High Speed Steel, Solid Pilot Counterbore


Item #: 08860033
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) 0.1760
Fastener Size Compatibility (Wire) #3
Counterbore Material High Speed Steel
Standard or Oversize Pilot Standard
Shank Diameter (Decimal Inch) 0.1875
Number of Flutes 2
Aircraft-Style No
Pilot Diameter (Decimal Inch) 0.0980
Shank Type Straight
Overall Length (Inch) 2-1/2
Cutting Direction Forward

$16.00

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Value Collection - 9/32" Head Diam, 3/16" Shank Diam, Counterbore Pilot - A1 Tooling

Value Collection - 9/32" Head Diam, 3/16" Shank Diam, Counterbore Pilot


Item #: 08904187
Brand: Value Collection
Model #:

Product Specifications
Head Diameter (Inch) 9/32
Shank Diameter (Inch) 3/16
Pilot Material Carbon Steel

$10.52

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Union Butterfield - 3/16" Head Diam, 3/32" Shank Diam, Counterbore Pilot - A1 Tooling

Union Butterfield - 3/16" Head Diam, 3/32" Shank Diam, Counterbore Pilot


Item #: 65707135
Brand: Union Butterfield
Model #: 3210116

Product Specifications
Head Diameter (Inch) 3/16
Shank Diameter (Inch) 3/32
Finish/Coating Bright
Aircraft-Style No
Pilot Material High Speed Steel

$37.48

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Cleveland - 5/16" Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore - A1 Tooling

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


Item #: 81852303
Brand: Cleveland
Model #: C91710

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) 15/32
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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Cleveland - 3/8" Head Diam, 1/4" Shank Diam, Counterbore Pilot - A1 Tooling

Cleveland - 3/8" Head Diam, 1/4" Shank Diam, Counterbore Pilot


Item #: 63677454
Brand: Cleveland
Model #: C46586

Product Specifications
Head Diameter (Inch) 3/8
Shank Diameter (Inch) 1/4
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

$32.47

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Made in USA - 9/32" Head Diam, 1/8" Shank Diam, Counterbore Pilot - A1 Tooling

Made in USA - 9/32" Head Diam, 1/8" Shank Diam, Counterbore Pilot


Item #: 78902186
Brand: Made in USA
Model #:

Product Specifications
Head Diameter (Inch) 9/32
Shank Diameter (Inch) 1/8
Finish/Coating Bright
Aircraft-Style No
Pilot Material Carbon Steel

$12.50

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Value Collection - 5/32" Head Diam, 1/8" Shank Diam, Counterbore Pilot - A1 Tooling

Value Collection - 5/32" Head Diam, 1/8" Shank Diam, Counterbore Pilot


Item #: 08902108
Brand: Value Collection
Model #:

Product Specifications
Head Diameter (Inch) 5/32
Shank Diameter (Inch) 1/8
Pilot Material Carbon Steel

$8.87

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Alvord Polk - 10mm Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore - A1 Tooling

Alvord Polk - 10mm Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore


Item #: 43983774
Brand: Alvord Polk
Model #: 03085

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) 0.6496
Fastener Size Compatibility (mm) 10.00
Fastener Size Compatibility (Decimal Inch) 0.3937
Counterbore Material High Speed Steel
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (Decimal Inch) 0.5000
Aircraft-Style No
Pilot Diameter (Decimal Inch) 0.4134
Shank Type Straight
Overall Length (Inch) 7
Overall Length (Decimal Inch) 7.00
Cutting Direction Forward

$63.16

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Keo - 3.5mm Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore - A1 Tooling

Keo - 3.5mm Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore


Item #: 44850865
Brand: Keo
Model #: 56203

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) 6.50
Fastener Size Compatibility (mm) 3.50
Counterbore Material Cobalt
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (mm) 5.00
Number of Flutes 3
Pilot Diameter (mm) 2.90
Overall Length (mm) 71.00

$52.28

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Made in USA - #10 Wire Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore - A1 Tooling

Made in USA - #10 Wire Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore


Item #: 08272767
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) 0.3140
Fastener Size Compatibility (Wire) #10
Counterbore Material High Speed Steel
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (Inch) 9/32
Number of Flutes 4
Aircraft-Style No
Pilot Diameter (Decimal Inch) 0.1900
Shank Type Straight
Overall Length (Inch) 5-1/4
Cutting Direction Forward

$44.81

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Made in USA - #10 Wire Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore - A1 Tooling

Made in USA - #10 Wire Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore


Item #: 08272783
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) 0.3460
Fastener Size Compatibility (Wire) #10
Counterbore Material High Speed Steel
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (Inch) 9/32
Number of Flutes 4
Aircraft-Style No
Pilot Diameter (Decimal Inch) 0.2210
Shank Type Straight
Overall Length (Inch) 5-1/4
Cutting Direction Forward

$44.81

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Cleveland - 1/4" Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore - A1 Tooling

Cleveland - 1/4" Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore


Item #: 81852253
Brand: Cleveland
Model #: C92704

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) 25/64
Fastener Size Compatibility (Inch) 1/4
Counterbore Material High Speed Steel
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (Inch) 3/8
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (Inch) 17/64
Shank Type Straight
Overall Length (mm) 146.05
Overall Length (Inch) 5-3/4
Overall Length (Decimal Inch) 5.75
Cutting Direction Forward
Material Application Alloy Tool Steel; Carbon Steel; Cast Iron

$118.30

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Interstate - 16mm Compatible Cobalt, Solid Pilot Counterbore - A1 Tooling

Interstate - 16mm Compatible Cobalt, Solid Pilot Counterbore


Item #: 45403474
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) 26.00
Fastener Size Compatibility (mm) 16.00
Counterbore Material Cobalt
Number of Flutes 3
Pilot Diameter (mm) 17.00
Shank Type Morse Taper
Shank Taper Designation 2MT
Overall Length (mm) 228.60
Cutting Direction Forward

$108.19

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Keo - 5/8" Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore - A1 Tooling

Keo - 5/8" Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore


Item #: 02828671
Brand: Keo
Model #: 55230

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) 0.9450
Fastener Size Compatibility (Inch) 5/8
Counterbore Material Cobalt
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (Inch) 5/8
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (Decimal Inch) 0.6250
Shank Type Straight
Overall Length (Inch) 6
Cutting Direction Forward

$141.64

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Made in USA - #8 Wire Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore - A1 Tooling

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


Item #: 08272742
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) 0.2880
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) 0.1790
Shank Type Straight
Overall Length (Inch) 5
Cutting Direction Forward

$45.24

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Keo - 5mm Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore - A1 Tooling

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


Item #: 44850790
Brand: Keo
Model #: 56210

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) 10.00
Fastener Size Compatibility (mm) 5.00
Counterbore Material Cobalt
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (mm) 8.00
Number of Flutes 3
Pilot Diameter (mm) 5.30
Overall Length (mm) 80.00

$58.60

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