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

Keo - 8mm Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore - A1 Tooling

Keo - 8mm Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore


Item #: 44850725
Brand: Keo
Model #: 56216

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) 15.00
Fastener Size Compatibility (mm) 8.00
Counterbore Material Cobalt
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (mm) 12.50
Number of Flutes 3
Pilot Diameter (mm) 8.40
Overall Length (mm) 100.00

$65.35

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

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


Item #: 08860082
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) 0.2850
Fastener Size Compatibility (Wire) #8
Counterbore Material High Speed Steel
Standard or Oversize Pilot Standard
Shank Diameter (Decimal Inch) 0.3125
Number of Flutes 2
Aircraft-Style No
Pilot Diameter (Decimal Inch) 0.1630
Shank Type Straight
Overall Length (Inch) 2-3/4
Cutting Direction Forward

$20.91

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Keo - 3/8" Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore - A1 Tooling

Keo - 3/8" Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore


Item #: 02828606
Brand: Keo
Model #: 55223

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) 0.6040
Fastener Size Compatibility (Inch) 3/8
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) 0.4060
Shank Type Straight
Overall Length (Inch) 5
Cutting Direction Forward

$72.37

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Made in USA - 7/8" Head Diam, 3/8" Shank Diam, Counterbore Pilot - A1 Tooling

Made in USA - 7/8" Head Diam, 3/8" Shank Diam, Counterbore Pilot


Item #: 78907565
Brand: Made in USA
Model #:

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

$34.24

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Value Collection - 1/4" to 1/2" Socket-Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore Set - A1 Tooling

Value Collection - 1/4" to 1/2" Socket-Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore Set


Item #: 08861007
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.
Morse tapers refer to a a series of shanks that taper at the end so they can be mounted onto the spindle of a drill press or lathe. They can be quickly removed during an operation. The taper is approcimatly 5/8 inches per foot.
Product Specifications
Fastener Type Compatibility Socket-Head Cap Screw
Minimum Fastener Size Compatibility (Inch) 1/4
Maximum Fastener Size Compatibility (Inch) 1/2
Standard or Oversize Pilot Standard
Number of Flutes 3
Counterbore Material High Speed Steel
Finish/Coating Bright
Fastener Size Compatibility (Inch) 1/4; 5/16; 3/8; 1/2
Number of Pieces 4
Shank Type Morse Taper
Cutting Direction Forward
Storage Unit Type Case
Storage Unit Material Wood

$241.22

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Value Collection - 3mm to 10mm Socket-Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore Set - A1 Tooling

Value Collection - 3mm to 10mm Socket-Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore Set


Item #: 45403490
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 (mm) 3
Maximum Fastener Size Compatibility (mm) 10
Standard or Oversize Pilot Standard
Number of Flutes 3
Counterbore Material High Speed Steel
Finish/Coating Bright
Fastener Size Compatibility (mm) 3; 4; 5; 6; 8; 10
Number of Pieces 6
Shank Type Straight
Cutting Direction Forward
Storage Unit Type Case
Storage Unit Material Metal

$223.31

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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 #: 81853319
Brand: Cleveland
Model #: C91709

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) 31/64
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

$130.66

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Value Collection - 1/2" Head Diam, 3/8" Shank Diam, Counterbore Pilot - A1 Tooling

Value Collection - 1/2" Head Diam, 3/8" Shank Diam, Counterbore Pilot


Item #: 08907321
Brand: Value Collection
Model #:

Product Specifications
Head Diameter (Inch) 1/2
Shank Diameter (Inch) 3/8
Pilot Material Carbon Steel

$13.23

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Value Collection - 1/4 to 1/2" Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore Set - A1 Tooling

Value Collection - 1/4 to 1/2" Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore Set


Item #: 08862013
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
Maximum Fastener Size Compatibility (Inch) 1/2
Number of Flutes 3
Counterbore Material High Speed Steel
Fastener Size Compatibility (Inch) 1/4; 5/16; 3/8; 1/2
Number of Pieces 4
Shank Type Straight
Cutting Direction Forward
Storage Unit Type Block
Storage Unit Material Wood
Aircraft-Style No

$201.08

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Made in USA - 1" Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore - A1 Tooling

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


Item #: 08273013
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) 1.5080
Fastener Size Compatibility (Inch) 1
Counterbore Material High Speed Steel
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (Inch) 1
Shank Diameter (Decimal Inch) 1.0000
Number of Flutes 4
Aircraft-Style No
Pilot Diameter (Inch) 1
Pilot Diameter (Decimal Inch) 1.0000
Shank Type Straight
Overall Length (Inch) 8-1/2
Cutting Direction Forward

$413.74

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Made in USA - 7/8" Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore - A1 Tooling

Made in USA - 7/8" Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore


Item #: 08272999
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) 1.3200
Fastener Size Compatibility (Inch) 7/8
Fastener Size Compatibility (Decimal Inch) 0.8750
Counterbore Material High Speed Steel
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (Inch) 7/8
Shank Diameter (Decimal Inch) 0.8750
Number of Flutes 4
Aircraft-Style No
Pilot Diameter (Inch) 7/8
Pilot Diameter (Decimal Inch) 0.8750
Shank Type Straight
Overall Length (Inch) 8
Cutting Direction Forward

$163.69

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Made in USA - 3 to 10mm Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore Set - A1 Tooling

Made in USA - 3 to 10mm Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore Set


Item #: 01570092
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.
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 (mm) 3
Maximum Fastener Size Compatibility (mm) 10
Standard or Oversize Pilot Standard
Number of Flutes 3
Counterbore Material High Speed Steel
Finish/Coating Bright
Fastener Size Compatibility (mm) 3; 4; 5; 6; 8; 10
Number of Pieces 6
Shank Type Straight
Cutting Direction Forward
Storage Unit Type Case
Storage Unit Material Wood
Aircraft-Style No

$424.78

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Made in USA - 3/8" Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore - A1 Tooling

Made in USA - 3/8" Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore


Item #: 08272866
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) 0.5880
Fastener Size Compatibility (Inch) 3/8
Counterbore Material High Speed Steel
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (Inch) 1/2
Number of Flutes 4
Aircraft-Style No
Pilot Diameter (Decimal Inch) 0.3900
Shank Type Straight
Overall Length (Inch) 6-1/2
Cutting Direction Forward

$64.01

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Keo - #4 Wire Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore - A1 Tooling

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


Item #: 02828374
Brand: Keo
Model #: 55200

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) 0.1860
Fastener Size Compatibility (Wire) #4
Counterbore Material Cobalt
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (Inch) 5/32
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (Decimal Inch) 0.1120
Shank Type Straight
Overall Length (Inch) 3
Cutting Direction Forward

$47.16

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Value Collection - 5/16" Head Diam, 3/16" Shank Diam, Counterbore Pilot - A1 Tooling

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


Item #: 08904203
Brand: Value Collection
Model #:

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

$10.52

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Union Butterfield - 1/4" Head Diam, 1/4" Shank Diam, Counterbore Pilot - A1 Tooling

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 - A1 Tooling

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 - A1 Tooling

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 - A1 Tooling

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 - A1 Tooling

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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