Email: sales@a1tooling.com | Phone: (888) 988-8820
We ship from multiple warehouses throughout the USA
to get you what you need as fast as possible!
Millions of items in stock!
Fast online checkout - No account required
Cart 0
Cart 0

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

Cleveland - 19/32" Diam, 1/2" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Cleveland - 19/32" Diam, 1/2" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 43141514
Brand: Cleveland
Model #: C46434

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) 19/32
Pilot Shank Diameter Compatibility (Inch) 3/16
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 3
Shank Type Straight
Shank Diameter (Inch) 1/2
Shank Diameter (Decimal Inch) 0.5000
Aircraft-Style No
Shank Length (Inch) 3-7/8
Overall Length (Inch) 5-1/8
Cutting Direction Forward
Material Application Alloy Tool Steel; Aluminum; Cast Iron; Low Carbon Steel; Medium Carbon Steel

$139.45

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Cleveland - 25/32" Diam, 5/8" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Cleveland - 25/32" Diam, 5/8" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 43141563
Brand: Cleveland
Model #: C46440

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
Pilot Shank Diameter Compatibility (Inch) 1/4
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 3
Shank Type Straight
Shank Diameter (Inch) 5/8
Shank Diameter (Decimal Inch) 0.6250
Aircraft-Style No
Shank Length (Inch) 3-7/8
Overall Length (Inch) 5-3/8
Cutting Direction Forward
Material Application Alloy Tool Steel; Aluminum; Cast Iron; Low Carbon Steel; Medium Carbon Steel

$169.14

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Value Collection - 13/16" Diam, 5/8" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Value Collection - 13/16" Diam, 5/8" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 08800526
Brand: Value Collection
Model #:

Features and Benefits

Carbide tips cuts faster than high speed steel. It is commonly used on ferrous and nonferrous materials including cast iron, steel and steel alloys.
Product Specifications
Counterbore Diameter (Inch) 13/16
Pilot Shank Diameter Compatibility (Inch) 1/4
Finish/Coating Bright
Counterbore Material Carbide-Tipped
Number of Flutes 3
Shank Type Straight
Shank Diameter (Inch) 5/8
Aircraft-Style No
Overall Length (Inch) 5-3/8
Cutting Direction Forward

$183.64

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Cleveland - 13/32" Diam, 3/8" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Cleveland - 13/32" Diam, 3/8" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 83206839
Brand: Cleveland
Model #: C46428

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) 13/32
Pilot Shank Diameter Compatibility (Inch) 5/32
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 3
Shank Type Straight
Shank Diameter (Inch) 3/8
Shank Diameter (Decimal Inch) 0.3750
Aircraft-Style No
Shank Length (Inch) 3-1/16
Overall Length (Inch) 4-1/16
Cutting Direction Forward
Material Application Alloy Tool Steel; Aluminum; Cast Iron; Low Carbon Steel; Medium Carbon Steel

$111.30

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Cleveland - 3/4" Diam, 1/2" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Cleveland - 3/4" Diam, 1/2" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 83162099
Brand: Cleveland
Model #: C46439

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) 3/4
Pilot Shank Diameter Compatibility (Inch) 1/4
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 3
Shank Type Straight
Shank Diameter (Inch) 1/2
Shank Diameter (Decimal Inch) 0.5000
Aircraft-Style No
Shank Length (Inch) 3-7/8
Overall Length (Inch) 5-3/8
Cutting Direction Forward
Material Application Alloy Tool Steel; Aluminum; Cast Iron; Low Carbon Steel; Medium Carbon Steel

$160.18

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Cleveland - 3/8" Diam, 5/16" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Cleveland - 3/8" Diam, 5/16" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 43141464
Brand: Cleveland
Model #: C46427

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) 3/8
Pilot Shank Diameter Compatibility (Inch) 5/32
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 3
Shank Type Straight
Shank Diameter (Inch) 5/16
Aircraft-Style No
Shank Length (Inch) 3-1/16
Overall Length (Inch) 4-1/16
Cutting Direction Forward
Material Application Alloy Tool Steel; Aluminum; Cast Iron; Low Carbon Steel; Medium Carbon Steel

$105.09

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Cleveland - 9/32" Diam, 17/64" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Cleveland - 9/32" Diam, 17/64" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 43141431
Brand: Cleveland
Model #: C46424

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) 9/32
Pilot Shank Diameter Compatibility (Inch) 3/32
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 3
Shank Type Straight
Shank Diameter (Inch) 17/64
Aircraft-Style No
Shank Length (Inch) 3-1/16
Overall Length (Inch) 3-13/16
Cutting Direction Forward
Material Application Alloy Tool Steel; Aluminum; Cast Iron; Low Carbon Steel; Medium Carbon Steel

$100.11

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Cleveland - 23/32" Diam, 1/2" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Cleveland - 23/32" Diam, 1/2" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 43141555
Brand: Cleveland
Model #: C46438

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) 23/32
Pilot Shank Diameter Compatibility (Inch) 1/4
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 3
Shank Type Straight
Shank Diameter (Inch) 1/2
Shank Diameter (Decimal Inch) 0.5000
Aircraft-Style No
Shank Length (Inch) 3-7/8
Overall Length (Inch) 5-3/8
Cutting Direction Forward
Material Application Alloy Tool Steel; Aluminum; Cast Iron; Low Carbon Steel; Medium Carbon Steel

$160.18

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Cleveland - 15/16" Diam, 3/4" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Cleveland - 15/16" Diam, 3/4" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 43141613
Brand: Cleveland
Model #: C46445

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) 15/16
Pilot Shank Diameter Compatibility (Inch) 1/4
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 3
Shank Type Straight
Shank Diameter (Inch) 3/4
Shank Diameter (Decimal Inch) 0.7500
Aircraft-Style No
Shank Length (Inch) 4-5/8
Overall Length (Inch) 6-1/8
Cutting Direction Forward
Material Application Alloy Tool Steel; Aluminum; Cast Iron; Low Carbon Steel; Medium Carbon Steel

$180.34

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Value Collection - 11/16" Diam, 1/2" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Value Collection - 11/16" Diam, 1/2" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 08800443
Brand: Value Collection
Model #:

Features and Benefits

Carbide tips cuts faster than high speed steel. It is commonly used on ferrous and nonferrous materials including cast iron, steel and steel alloys.
Product Specifications
Counterbore Diameter (Inch) 11/16
Pilot Shank Diameter Compatibility (Inch) 3/16
Finish/Coating Bright
Counterbore Material Carbide-Tipped
Number of Flutes 3
Shank Type Straight
Shank Diameter (Inch) 1/2
Aircraft-Style No
Overall Length (Inch) 5-1/8
Cutting Direction Forward

$168.20

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Cleveland - 11/32" Diam, 5/16" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Cleveland - 11/32" Diam, 5/16" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 43141456
Brand: Cleveland
Model #: C46426

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) 11/32
Pilot Shank Diameter Compatibility (Inch) 3/32
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 3
Shank Type Straight
Shank Diameter (Inch) 5/16
Aircraft-Style No
Shank Length (Inch) 3-1/16
Overall Length (Inch) 3-13/16
Cutting Direction Forward
Material Application Alloy Tool Steel; Aluminum; Cast Iron; Low Carbon Steel; Medium Carbon Steel

$105.09

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Cleveland - 7/8" Diam, 3/4" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Cleveland - 7/8" Diam, 3/4" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 43141597
Brand: Cleveland
Model #: C46443

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) 7/8
Pilot Shank Diameter Compatibility (Inch) 1/4
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 3
Shank Type Straight
Shank Diameter (Inch) 3/4
Shank Diameter (Decimal Inch) 0.7500
Aircraft-Style No
Shank Length (Inch) 3-7/8
Overall Length (Inch) 5-3/8
Cutting Direction Forward
Material Application Alloy Tool Steel; Aluminum; Cast Iron; Low Carbon Steel; Medium Carbon Steel

$171.61

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Cleveland - 1-1/8" Diam, 1" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Cleveland - 1-1/8" Diam, 1" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 43141654
Brand: Cleveland
Model #: C46449

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) 1-1/8
Pilot Shank Diameter Compatibility (Inch) 5/16
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 3
Shank Type Straight
Shank Diameter (Inch) 1
Shank Diameter (Decimal Inch) 1.0000
Aircraft-Style No
Shank Length (Inch) 4-5/8
Overall Length (Inch) 6-3/8
Cutting Direction Forward
Material Application Alloy Tool Steel; Aluminum; Cast Iron; Low Carbon Steel; Medium Carbon Steel

$251.36

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Cleveland - 7/32" Diam, 15/64" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Cleveland - 7/32" Diam, 15/64" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 43141415
Brand: Cleveland
Model #: C46422

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) 7/32
Pilot Shank Diameter Compatibility (Inch) 3/32
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 3
Shank Type Straight
Shank Diameter (Inch) 15/64
Aircraft-Style No
Shank Length (Inch) 2-3/8
Overall Length (mm) 76.20
Overall Length (Decimal Inch) 3.0000
Overall Length (Inch) 3
Cutting Direction Forward
Material Application Alloy Tool Steel; Aluminum; Cast Iron; Low Carbon Steel; Medium Carbon Steel

$104.10

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Value Collection - 1-3/8" Diam, 1" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Value Collection - 1-3/8" Diam, 1" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 08801243
Brand: Value Collection
Model #:

Features and Benefits

Carbide tips cuts faster than high speed steel. It is commonly used on ferrous and nonferrous materials including cast iron, steel and steel alloys.
Product Specifications
Counterbore Diameter (Inch) 1-3/8
Pilot Shank Diameter Compatibility (Inch) 3/8
Finish/Coating Bright
Counterbore Material Carbide-Tipped
Number of Flutes 4
Shank Type Straight
Shank Diameter (Inch) 1
Aircraft-Style No
Overall Length (Inch) 6-5/8
Cutting Direction Forward

$261.87

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Cleveland - 1" Diam, 3/4" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Cleveland - 1" Diam, 3/4" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 43141639
Brand: Cleveland
Model #: C46447

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
Pilot Shank Diameter Compatibility (Inch) 5/16
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 3
Shank Type Straight
Shank Diameter (Inch) 3/4
Shank Diameter (Decimal Inch) 0.7500
Aircraft-Style No
Shank Length (Inch) 4-5/8
Overall Length (Inch) 6-3/8
Cutting Direction Forward
Material Application Alloy Tool Steel; Aluminum; Cast Iron; Low Carbon Steel; Medium Carbon Steel

$216.00

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Cleveland - 15/32" Diam, 7/16" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Cleveland - 15/32" Diam, 7/16" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 43141472
Brand: Cleveland
Model #: C46430

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) 15/32
Pilot Shank Diameter Compatibility (Inch) 3/16
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 3
Shank Type Straight
Shank Diameter (Inch) 7/16
Aircraft-Style No
Shank Length (Inch) 3-1/16
Overall Length (Inch) 4-5/16
Cutting Direction Forward
Material Application Alloy Tool Steel; Aluminum; Cast Iron; Low Carbon Steel; Medium Carbon Steel

$117.51

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Cleveland - 5/8" Diam, 1/2" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Cleveland - 5/8" Diam, 1/2" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 43141522
Brand: Cleveland
Model #: C46435

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) 5/8
Pilot Shank Diameter Compatibility (Inch) 3/16
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 3
Shank Type Straight
Shank Diameter (Inch) 1/2
Shank Diameter (Decimal Inch) 0.5000
Aircraft-Style No
Shank Length (Inch) 3-7/8
Overall Length (Inch) 5-1/8
Cutting Direction Forward
Material Application Alloy Tool Steel; Aluminum; Cast Iron; Low Carbon Steel; Medium Carbon Steel

$139.45

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Cleveland - 7/16" Diam, 3/8" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Cleveland - 7/16" Diam, 3/8" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 05912449
Brand: Cleveland
Model #: C46429

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) 7/16
Pilot Shank Diameter Compatibility (Inch) 5/32
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 3
Shank Type Straight
Shank Diameter (Inch) 3/8
Shank Diameter (Decimal Inch) 0.3750
Aircraft-Style No
Shank Length (Inch) 3-1/16
Overall Length (Inch) 4-1/16
Cutting Direction Forward
Material Application Alloy Tool Steel; Aluminum; Cast Iron; Low Carbon Steel; Medium Carbon Steel

$111.30

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Cleveland - 1/4" Diam, 15/64" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Cleveland - 1/4" Diam, 15/64" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 43141423
Brand: Cleveland
Model #: C46423

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) 1/4
Pilot Shank Diameter Compatibility (Inch) 3/32
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 3
Shank Type Straight
Shank Diameter (Inch) 15/64
Aircraft-Style No
Shank Length (Inch) 3-1/16
Overall Length (Inch) 3-13/16
Cutting Direction Forward
Material Application Alloy Tool Steel; Aluminum; Cast Iron; Low Carbon Steel; Medium Carbon Steel

$100.48

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It