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

Keo - #10 to #4 Wire Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore Set - A1 Tooling

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


Item #: 02828788
Brand: Keo
Model #: 55241

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 Oversize
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
Oversize Increment (Inch) 1/32
Storage Unit Type Case
Storage Unit Material Plastic
Aircraft-Style No

$464.76

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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 #: 44850717
Brand: Keo
Model #: 56217

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) 9.00
Overall Length (mm) 100.00

$65.35

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Value Collection - 5/8" Compatible High Speed Steel, Solid Pilot Counterbore - A1 Tooling

Value Collection - 5/8" Compatible High Speed Steel, Solid Pilot Counterbore


Item #: 08861403
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) 31/32
Fastener Size Compatibility (Inch) 5/8
Counterbore Material High Speed Steel
Standard or Oversize Pilot Standard
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (Inch) 21/32
Shank Type Morse Taper
Shank Taper Designation 3MT
Cutting Direction Forward

$102.47

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Made in USA - 1/2" Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore - A1 Tooling

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


Item #: 08272924
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) 0.7730
Fastener Size Compatibility (Inch) 1/2
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) 0.5150
Shank Type Straight
Overall Length (Inch) 7-1/2
Cutting Direction Forward

$87.80

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Value Collection - 7 Piece, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore Set - A1 Tooling

Value Collection - 7 Piece, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore Set


Item #: 08794034
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; 3/8; 1/2; 5/8; 3/4; 7/8; 1
Number of Pieces 7
Shank Type Straight
Standard or Oversize Pilot Standard
Storage Unit Type Block
Storage Unit Material Wood

$400.66

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Interstate - 5/16" Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore - A1 Tooling

Interstate - 5/16" Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore


Item #: 45403342
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.
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) 1/2
Fastener Size Compatibility (Inch) 5/16
Counterbore Material Cobalt
Finish/Coating Bright
Shank Diameter (Inch) 7/16
Number of Flutes 3
Pilot Diameter (Inch) 11/32
Shank Type Straight
Overall Length (Inch) 4-1/2
Cutting Direction Forward

$57.80

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

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


Item #: 08862021
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) 1/2
Maximum Fastener Size Compatibility (Inch) 1
Number of Flutes 3
Counterbore Material High Speed Steel
Fastener Size Compatibility (Inch) 1/2; 5/8; 3/4; 1
Number of Pieces 4
Shank Type Straight
Cutting Direction Forward
Storage Unit Type Block
Storage Unit Material Wood
Aircraft-Style No

$500.74

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Value Collection - 9/32" Head Diam, 1/4" Shank Diam, Counterbore Pilot - A1 Tooling

Value Collection - 9/32" Head Diam, 1/4" Shank Diam, Counterbore Pilot


Item #: 08905184
Brand: Value Collection
Model #:

Product Specifications
Head Diameter (Inch) 9/32
Shank Diameter (Inch) 1/4
Pilot Material Carbon Steel

$10.52

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Value Collection - #10 to #2 Wire Fillister Head Screw Compatible, High Speed Steel, Solid Pilot Counterbore Set - A1 Tooling

Value Collection - #10 to #2 Wire Fillister Head Screw Compatible, High Speed Steel, Solid Pilot Counterbore Set


Item #: 08860009
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 Fillister-Head Screw
Minimum Fastener Size Compatibility (Wire) #10
Maximum Fastener Size Compatibility (Wire) #2
Number of Flutes 2
Counterbore Material High Speed Steel
Fastener Size Compatibility (Wire) #2; #4; #6; #8; #10
Number of Pieces 5
Shank Type Straight
Cutting Direction Forward
Storage Unit Type Pouch
Storage Unit Material Plastic
Aircraft-Style No

$93.18

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Made in USA - 5/16" Head Diam, 1/4" Shank Diam, Counterbore Pilot - A1 Tooling

Made in USA - 5/16" Head Diam, 1/4" Shank Diam, Counterbore Pilot


Item #: 78905205
Brand: Made in USA
Model #:

Product Specifications
Head Diameter (Inch) 5/16
Shank Diameter (Inch) 1/4
Finish/Coating Bright
Aircraft-Style No
Pilot Material Carbon Steel

$12.30

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Value Collection - 9/32" Head Diam, 1/8" Shank Diam, Counterbore Pilot - A1 Tooling

Value Collection - 9/32" Head Diam, 1/8" Shank Diam, Counterbore Pilot


Item #: 08902181
Brand: Value Collection
Model #:

Product Specifications
Head Diameter (Inch) 9/32
Shank Diameter (Inch) 1/8
Pilot Material Carbon Steel

$10.78

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Made in USA - 3/8" Head Diam, 1/4" Shank Diam, Counterbore Pilot - A1 Tooling

Made in USA - 3/8" Head Diam, 1/4" Shank Diam, Counterbore Pilot


Item #: 78905247
Brand: Made in USA
Model #:

Product Specifications
Head Diameter (Inch) 3/8
Shank Diameter (Inch) 1/4
Finish/Coating Bright
Aircraft-Style No
Pilot Material Carbon Steel

$12.51

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APT - 3/4" Fastener Compatible, 3/16" Blade Thickness Compatibility, 13/16" Pilot Hole Diam, 3/4" Shank Diam, Straight Shank, Blade Type Counterbore Holder - A1 Tooling

APT - 3/4" Fastener Compatible, 3/16" Blade Thickness Compatibility, 13/16" Pilot Hole Diam, 3/4" Shank Diam, Straight Shank, Blade Type Counterbore Holder


Item #: 08863482
Brand: APT
Model #: DH24

Features and Benefits

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
Fastener Size Compatibility (Inch) 3/4
Blade Thickness Compatibility (Inch) 3/16
Shank Type Straight
Pilot Hole Diameter (Inch) 13/16
Shank Diameter (Inch) 3/4
Holder Length (Inch) 7-1/2
Holder Material High Speed Steel
PSC Code 5133

$151.00

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Union Butterfield - 7/32" Head Diam, 3/32" Shank Diam, Counterbore Pilot - A1 Tooling

Union Butterfield - 7/32" Head Diam, 3/32" Shank Diam, Counterbore Pilot


Item #: 66386871
Brand: Union Butterfield
Model #: 3210117

Product Specifications
Head Diameter (Inch) 7/32
Shank Diameter (Inch) 3/32
Finish/Coating Bright
Aircraft-Style No
Pilot Material High Speed Steel

$42.06

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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 #: 04600110
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) 1/2
Number of Flutes 3
Counterbore Material High Speed Steel
Fastener Size Compatibility (Wire) #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 Block
Storage Unit Material Wood

$133.41

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Cleveland - 5/8" Head Diam, 1/4" Shank Diam, Counterbore Pilot - A1 Tooling

Cleveland - 5/8" Head Diam, 1/4" Shank Diam, Counterbore Pilot


Item #: 63677538
Brand: Cleveland
Model #: C46645

Product Specifications
Head Diameter (Inch) 5/8
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

$50.94

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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 #: 08860207
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) 15/32
Counterbore Material High Speed Steel
Standard or Oversize Pilot Standard
Shank Diameter (Inch) 5/16
Number of Flutes 2
Aircraft-Style No
Pilot Diameter (Inch) 5/16
Shank Type Straight
Overall Length (Inch) 4
Cutting Direction Forward

$35.03

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Value Collection - #6 Wire Compatible High Speed Steel, Solid Pilot Counterbore - A1 Tooling

Value Collection - #6 Wire Compatible High Speed Steel, Solid Pilot Counterbore


Item #: 08862062
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 (Decimal Inch) 0.2420
Fastener Size Compatibility (Wire) #6
Counterbore Material High Speed Steel
Standard or Oversize Pilot Standard
Shank Diameter (Inch) 7/32
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (Decimal Inch) 0.1500
Shank Type Straight
Cutting Direction Forward

$32.38

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Value Collection - 11/16" Head Diam, 1/4" Shank Diam, Counterbore Pilot - A1 Tooling

Value Collection - 11/16" Head Diam, 1/4" Shank Diam, Counterbore Pilot


Item #: 08905440
Brand: Value Collection
Model #:

Product Specifications
Head Diameter (Inch) 11/16
Shank Diameter (Inch) 1/4
Pilot Material Carbon Steel

$17.54

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

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


Item #: 02828473
Brand: Keo
Model #: 55210

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) 0.2880
Fastener Size Compatibility (Wire) #8
Counterbore Material Cobalt
Finish/Coating Bright
Standard or Oversize Pilot Oversize
Shank Diameter (Inch) 1/4
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (Decimal Inch) 0.1790
Shank Type Straight
Overall Length (Inch) 3
Cutting Direction Forward

$56.91

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