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

Keo - 3/4" Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore - A1 Tooling

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


Item #: 02828705
Brand: Keo
Model #: 55233

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) 1.1870
Fastener Size Compatibility (Inch) 3/4
Counterbore Material Cobalt
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (Inch) 3/4
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (Decimal Inch) 0.7660
Shank Type Straight
Overall Length (Inch) 7
Cutting Direction Forward

$203.42

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

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


Item #: 08860249
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) 19/32
Counterbore Material High Speed Steel
Standard or Oversize Pilot Standard
Shank Diameter (Inch) 3/8
Number of Flutes 2
Aircraft-Style No
Pilot Diameter (Inch) 3/8
Shank Type Straight
Overall Length (Inch) 4-3/8
Cutting Direction Forward

$41.01

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Cleveland - 5/16" Head Diam, 1/4" Shank Diam, Counterbore Pilot - A1 Tooling

Cleveland - 5/16" Head Diam, 1/4" Shank Diam, Counterbore Pilot


Item #: 63677439
Brand: Cleveland
Model #: C46573

Product Specifications
Head Diameter (Inch) 5/16
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

$31.23

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Keo - #10 Wire Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore - A1 Tooling

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


Item #: 02828507
Brand: Keo
Model #: 55213

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) 0.3300
Fastener Size Compatibility (Wire) #10
Counterbore Material Cobalt
Finish/Coating Bright
Standard or Oversize Pilot Oversize
Shank Diameter (Inch) 9/32
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (Decimal Inch) 0.2050
Shank Type Straight
Overall Length (Inch) 4-1/2
Cutting Direction Forward

$59.90

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Value Collection - #5 Wire Fillister Head Screw Compatible, High Speed Steel, Solid Pilot Counterbore - A1 Tooling

Value Collection - #5 Wire Fillister Head Screw Compatible, High Speed Steel, Solid Pilot Counterbore


Item #: 08860058
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) 0.2200
Fastener Size Compatibility (Wire) #5
Counterbore Material High Speed Steel
Standard or Oversize Pilot Standard
Shank Diameter (Decimal Inch) 0.2500
Number of Flutes 2
Aircraft-Style No
Pilot Diameter (Decimal Inch) 0.1240
Shank Type Straight
Overall Length (Inch) 2-5/8
Cutting Direction Forward

$19.93

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Union Butterfield - 7/16" Head Diam, 3/16" Shank Diam, Counterbore Pilot - A1 Tooling

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


Item #: 65706921
Brand: Union Butterfield
Model #: 3210128

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

$50.46

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Cleveland - 13/16" Head Diam, 3/8" Shank Diam, Counterbore Pilot - A1 Tooling

Cleveland - 13/16" Head Diam, 3/8" Shank Diam, Counterbore Pilot


Item #: 63677959
Brand: Cleveland
Model #: C46679

Product Specifications
Head Diameter (Inch) 13/16
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

$64.34

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Value Collection - #8 Wire Compatible High Speed Steel, Solid Pilot Counterbore - A1 Tooling

Value Collection - #8 Wire Compatible High Speed Steel, Solid Pilot Counterbore


Item #: 08862088
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) 19/64
Fastener Size Compatibility (Wire) #8
Counterbore Material High Speed Steel
Standard or Oversize Pilot Standard
Shank Diameter (Inch) 1/4
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (Inch) 11/64
Shank Type Straight
Cutting Direction Forward

$32.38

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Cleveland - 7/16" Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore - A1 Tooling

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


Item #: 81852402
Brand: Cleveland
Model #: C91715

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) 5/8
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) 7/16
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

$151.00

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Alvord Polk - 4mm Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore - A1 Tooling

Alvord Polk - 4mm Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore


Item #: 43983741
Brand: Alvord Polk
Model #: 03081

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) 0.2953
Fastener Size Compatibility (mm) 4.00
Fastener Size Compatibility (Decimal Inch) 0.1575
Counterbore Material High Speed Steel
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (Decimal Inch) 0.2500
Aircraft-Style No
Pilot Diameter (Decimal Inch) 0.1772
Shank Type Straight
Overall Length (Inch) 5
Overall Length (Decimal Inch) 5.00
Cutting Direction Forward

$36.66

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Value Collection - 7/16" Compatible High Speed Steel, Solid Pilot Counterbore - A1 Tooling

Value Collection - 7/16" Compatible High Speed Steel, Solid Pilot Counterbore


Item #: 08861288
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) 11/16
Fastener Size Compatibility (Inch) 7/16
Counterbore Material High Speed Steel
Standard or Oversize Pilot Standard
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (Inch) 15/32
Shank Type Morse Taper
Shank Taper Designation 2MT
Cutting Direction Forward

$69.71

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Cleveland - 5/8" Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore - A1 Tooling

Cleveland - 5/8" Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore


Item #: 81853624
Brand: Cleveland
Model #: C91729

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) 31/32
Fastener Size Compatibility (Inch) 5/8
Counterbore Material High Speed Steel
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (Inch) 3/4
Shank Diameter (mm) 19.05
Shank Diameter (Decimal Inch) 0.7500
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (Inch) 21/32
Shank Type Straight
Overall Length (mm) 209.55
Overall Length (Inch) 8-1/4
Overall Length (Decimal Inch) 8.25
Cutting Direction Forward
Material Application Alloy Tool Steel; Carbon Steel; Cast Iron

$230.52

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Value Collection - 5/16" Compatible High Speed Steel, Solid Pilot Counterbore - A1 Tooling

Value Collection - 5/16" Compatible High Speed Steel, Solid Pilot Counterbore


Item #: 08861205
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) 1/2
Fastener Size Compatibility (Inch) 5/16
Counterbore Material High Speed Steel
Standard or Oversize Pilot Standard
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (Inch) 11/32
Shank Type Morse Taper
Shank Taper Designation 2MT
Cutting Direction Forward

$61.45

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Keo - 7/8" Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore - A1 Tooling

Keo - 7/8" Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore


Item #: 02828739
Brand: Keo
Model #: 55236

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) 1.3910
Fastener Size Compatibility (Inch) 7/8
Counterbore Material Cobalt
Finish/Coating Bright
Standard or Oversize Pilot Oversize
Shank Diameter (Inch) 7/8
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (Decimal Inch) 0.9060
Shank Type Straight
Overall Length (Inch) 7
Cutting Direction Forward

$310.26

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Value Collection - 15/32" Head Diam, 1/4" Shank Diam, Counterbore Pilot - A1 Tooling

Value Collection - 15/32" Head Diam, 1/4" Shank Diam, Counterbore Pilot


Item #: 08905309
Brand: Value Collection
Model #:

Product Specifications
Head Diameter (Inch) 15/32
Shank Diameter (Inch) 1/4
Pilot Material Carbon Steel

$12.05

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Interstate - 3mm Compatible Cobalt, Solid Pilot Counterbore - A1 Tooling

Interstate - 3mm Compatible Cobalt, Solid Pilot Counterbore


Item #: 45403391
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) 6.00
Fastener Size Compatibility (mm) 3.00
Counterbore Material Cobalt
Shank Diameter (Decimal Inch) 0.2190
Number of Flutes 3
Pilot Diameter (mm) 3.40
Shank Type Straight
Overall Length (mm) 76.00
Cutting Direction Forward

$28.57

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Union Butterfield - 13/16" Head Diam, 5/16" Shank Diam, Counterbore Pilot - A1 Tooling

Union Butterfield - 13/16" Head Diam, 5/16" Shank Diam, Counterbore Pilot


Item #: 65707283
Brand: Union Butterfield
Model #: 3210149

Product Specifications
Head Diameter (Inch) 13/16
Shank Diameter (Inch) 5/16
Finish/Coating Bright
Aircraft-Style No
Pilot Material High Speed Steel

$104.40

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Value Collection - 3/4" Compatible High Speed Steel, Solid Pilot Counterbore - A1 Tooling

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


Item #: 08861486
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
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (Inch) 13/16
Shank Type Morse Taper
Shank Taper Designation 3MT
Cutting Direction Forward

$147.02

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Made in USA - 9/16" Head Diam, 3/16" Shank Diam, Counterbore Pilot - A1 Tooling

Made in USA - 9/16" Head Diam, 3/16" Shank Diam, Counterbore Pilot


Item #: 78904364
Brand: Made in USA
Model #:

Product Specifications
Head Diameter (Inch) 9/16
Shank Diameter (Inch) 3/16
Finish/Coating Bright
Aircraft-Style No
Pilot Material Carbon Steel

$22.83

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Union Butterfield - 11/16" Head Diam, 5/16" Shank Diam, Counterbore Pilot - A1 Tooling

Union Butterfield - 11/16" Head Diam, 5/16" Shank Diam, Counterbore Pilot


Item #: 66386715
Brand: Union Butterfield
Model #: 3210147

Product Specifications
Head Diameter (Inch) 11/16
Shank Diameter (Inch) 5/16
Finish/Coating Bright
Aircraft-Style No
Pilot Material High Speed Steel

$81.76

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