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

Holemaking > Counterbores & Porting Tools (ET04) - (2029 Products)


Union Butterfield - 1-1/4" Diam, 3" Shank, Diam, 5 Flutes, Taper Shank, Interchangeable Pilot Counterbore


Item #: 83994020
Brand: Union Butterfield
Model #: 6210091

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) 1-1/4
Counterbore Diameter (Decimal Inch) 1.2500
Pilot Shank Diameter Compatibility (Inch) 3/8
Pilot Shank Diameter Compatibility (Decimal Inch) 0.3750
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 5
Shank Type Taper
Shank Diameter (Inch) 3
Shank Diameter (Decimal Inch) 3.0000
Aircraft-Style No
Overall Length (Decimal Inch) 6.6250
Overall Length (Inch) 6-5/8
Flute Length (Decimal Inch) 2.00
Flute Length (Inch) 2
Cutting Direction Forward
Material Application Alloy Steel; Brass; Bronze; Carbon Steel; Cast Iron; Copper; Copper Alloys; Free Machining Stainless Steel; Hardened Steel; Nickel; Nickel Alloys; Stainless Steel; Steel; Structural Steel; Titanium; Titanium Alloys

$449.21

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


Item #: 08815144
Brand: Value Collection
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 (Inch) 7/32
Pilot Shank Diameter Compatibility (Inch) 3/32
Finish/Coating Bright
Counterbore Material Cobalt
Number of Flutes 3
Shank Type Straight
Shank Diameter (Inch) 15/64
Aircraft-Style No
Shank Length (Inch) 2-3/8
Overall Length (Inch) 3
Cutting Direction Forward

$82.95

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

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

Made in USA - 5/8" Diam, 1/4" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 71010409
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.
Product Specifications
Counterbore Diameter (Inch) 5/8
Pilot Shank Diameter Compatibility (Inch) 1/8
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 4
Shank Type Straight
Shank Diameter (Inch) 1/4
Aircraft-Style Yes
Overall Length (Inch) 2-13/16
Flute Length (Inch) 5/8
Cutting Direction Forward

$66.46

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

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

Scientific Cutting Tools - 1-7/8 - 12" Port, 2.628" Spotface Diam, 1-1/2" Tube Outside Diam, Reamer Pilot, Carbide Tipped Porting Tool


Item #: 00274597
Brand: Scientific Cutting Tools
Model #: AND10050-24R

Features and Benefits

Carbide-tipped cuts faster than high speed steel. It is commonly used on ferrous and nonferrous materials including cast iron, steel and steel alloys.
Product Specifications
Port Standard Designation AND 10050
Pilot Type Reamer
Port Thread Size (Decimal Inch) 1.8750-12
Port Thread Size (Inch) 1-7/8 - 12
Tool Material Carbide-Tipped
Tube Dash Number 24.000
Tube Outside Diameter Compatibility (Decimal Inch) 1.500
Tube Outside Diameter Compatibility (Inch) 1-1/2
Minimum Pilot Diameter (Decimal Inch) 1.7880
Maximum Pilot Diameter (Decimal Inch) 1.9005
Spotface Diameter (Decimal Inch) 2.6280
Pilot Length (Decimal Inch) 1.0120
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating Bright
Head Length (Decimal Inch) 2.2900
Overall Length (Decimal Inch) 4.5400
Shank Diameter (Decimal Inch) 1.0000
Shank Length (Decimal Inch) 2.2500
Seal Angle 30
Thread Type UN
Flute Type Straight
Number of Flutes 4

$467.25

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

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

Made in USA - 1-5/16 - 12" Port, 1.93" Spotface Diam, 1" Tube Outside Diam, Plain Pilot, Straight Shank, Carbide Tipped Porting Tool


Item #: 00390336
Brand: Made in USA
Model #:

Features and Benefits

Carbide-tipped cuts faster than high speed steel. It is commonly used on ferrous and nonferrous materials including cast iron, steel and steel alloys.
Product Specifications
Port Standard Designation MS 16142
Pilot Type Plain
Port Thread Size (Inch) 1-5/16 - 12
Tool Material Carbide-Tipped
Tube Outside Diameter Compatibility (Inch) 1
Minimum Pilot Diameter (Decimal Inch) 1.2250
Spotface Diameter (Decimal Inch) 1.9300
ShankType Straight
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating Bright
Overall Length (Inch) 4-1/8
Shank Diameter (Inch) 3/4
Shank Diameter (Decimal Inch) 0.7500
Seal Angle 15
Thread Type Straight
Number of Flutes 4

$431.19

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

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

Made in USA - 5/16" Diam, 19/64" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 71011209
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.
Product Specifications
Counterbore Diameter (Inch) 5/16
Pilot Shank Diameter Compatibility (Inch) 3/32
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 4
Shank Type Straight
Shank Diameter (Inch) 19/64
Aircraft-Style Yes
Overall Length (Inch) 4
Cutting Direction Forward

$56.54

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

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

Union Butterfield - 7/8" Diam, 1/4" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 66387085
Brand: Union Butterfield
Model #: 6210157

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
Counterbore Diameter (Decimal Inch) 0.8750
Pilot Shank Diameter Compatibility (Inch) 3/16
Pilot Shank Diameter Compatibility (Decimal Inch) 0.1875
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 4
Shank Type Straight
Shank Diameter (Inch) 1/4
Shank Diameter (Decimal Inch) 0.2500
Aircraft-Style Yes
Overall Length (Decimal Inch) 2.8125
Overall Length (Inch) 2-13/16
Flute Length (Decimal Inch) 0.50
Flute Length (Inch) 1/2
Cutting Direction Forward
Material Application Alloy Steel; Brass; Bronze; Carbon Steel; Cast Iron; Copper; Copper Alloys; Free Machining Stainless Steel; Hardened Steel; Nickel; Nickel Alloys; Stainless Steel; Steel; Structural Steel; Titanium; Titanium Alloys

$203.63

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

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

Scientific Cutting Tools - 1-7/8 - 12" Port, 1.8" Spotface Diam, 1-1/2" Tube Outside Diam, Plain Pilot, Carbide Tipped Porting Tool


Item #: 92217231
Brand: Scientific Cutting Tools
Model #: MS33514-24

Features and Benefits

Carbide-tipped cuts faster than high speed steel. It is commonly used on ferrous and nonferrous materials including cast iron, steel and steel alloys.
Product Specifications
Port Standard Designation AS 33514; MS 33514
Pilot Type Plain
Port Thread Size (Decimal Inch) 1.8750-12
Port Thread Size (Inch) 1-7/8 - 12
Tool Material Carbide-Tipped
Tube Dash Number 24.000
Tube Outside Diameter Compatibility (Decimal Inch) 1.500
Tube Outside Diameter Compatibility (Inch) 1-1/2
Minimum Pilot Diameter (Decimal Inch) 1.3420
Maximum Pilot Diameter (Decimal Inch) 1.5220
Spotface Diameter (Decimal Inch) 1.8000
Pilot Length (Decimal Inch) 0.4400
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating Bright
Head Length (Decimal Inch) 1.7000
Overall Length (Decimal Inch) 3.8200
Shank Diameter (Decimal Inch) 1.0000
Shank Length (Decimal Inch) 2.1200
Seal Angle 12
Thread Type UNJ
Flute Type Straight
Number of Flutes 4

$381.11

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

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

Scientific Cutting Tools - 1-1/16 - 12" Port, 1.665" Spotface Diam, 3/4" Tube Outside Diam, Plain Pilot, Carbide Tipped Porting Tool


Item #: 44039790
Brand: Scientific Cutting Tools
Model #: AND10050-12SA

Features and Benefits

Carbide-tipped cuts faster than high speed steel. It is commonly used on ferrous and nonferrous materials including cast iron, steel and steel alloys.
Product Specifications
Port Standard Designation AND 10050
Pilot Type Plain
Port Thread Size (Decimal Inch) 1.0620-12
Port Thread Size (Inch) 1-1/16 - 12
Tool Material Carbide-Tipped
Tube Dash Number 12.000
Tube Outside Diameter Compatibility (Decimal Inch) 0.750
Tube Outside Diameter Compatibility (Inch) 3/4
Minimum Pilot Diameter (Decimal Inch) 0.9750
Maximum Pilot Diameter (Decimal Inch) 1.0885
Spotface Diameter (Decimal Inch) 1.6650
Pilot Length (Decimal Inch) 0.5070
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating AlTiN+
Head Length (Decimal Inch) 1.6300
Overall Length (Decimal Inch) 3.7500
Shank Diameter (Decimal Inch) 0.7500
Shank Length (Decimal Inch) 2.1200
Seal Angle 30
Thread Type UN
Flute Type Straight
Number of Flutes 4

$215.82

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

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

Scientific Cutting Tools - 3/4-16" Port, 1.24" Spotface Diam, 1/2" Tube Outside Diam, Reamer Pilot, Carbide Tipped Porting Tool


Item #: 00274548
Brand: Scientific Cutting Tools
Model #: AND10050-8R

Features and Benefits

Carbide-tipped cuts faster than high speed steel. It is commonly used on ferrous and nonferrous materials including cast iron, steel and steel alloys.
Product Specifications
Port Standard Designation AND 10050
Pilot Type Reamer
Port Thread Size (Decimal Inch) 0.7500-16
Port Thread Size (Inch) 3/4-16
Tool Material Carbide-Tipped
Tube Dash Number 8.000
Tube Outside Diameter Compatibility (Decimal Inch) 0.500
Tube Outside Diameter Compatibility (Inch) 1/2
Minimum Pilot Diameter (Decimal Inch) 0.6860
Maximum Pilot Diameter (Decimal Inch) 0.7715
Spotface Diameter (Decimal Inch) 1.2400
Pilot Length (Decimal Inch) 0.6360
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating Bright
Head Length (Decimal Inch) 1.5800
Overall Length (Decimal Inch) 3.7000
Shank Diameter (Decimal Inch) 0.7500
Shank Length (Decimal Inch) 2.1200
Seal Angle 30
Thread Type UNF
Flute Type Straight
Number of Flutes 4

$249.13

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 - 1-3/4" Diam, 1-1/4" Shank, Diam, 5 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 08816480
Brand: Value Collection
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 (Inch) 1-3/4
Pilot Shank Diameter Compatibility (Inch) 7/16
Finish/Coating Bright
Counterbore Material Cobalt
Number of Flutes 5
Shank Type Straight
Shank Diameter (Inch) 1-1/4
Aircraft-Style No
Shank Length (Inch) 5-7/8
Overall Length (Inch) 8-1/8
Cutting Direction Forward

$503.55

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 - 51/64" Diam, 5/8" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 08790511
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) 51/64
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
Aircraft-Style No
Shank Length (Inch) 3-7/8
Overall Length (Inch) 5-3/8
Cutting Direction Forward

$119.64

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, 3 Flutes, Morse Taper Shank, Interchangeable Pilot Counterbore


Item #: 08780447
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
Pilot Shank Diameter Compatibility (Inch) 3/16
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 3
Shank Type Morse Taper
Aircraft-Style No
Shank Taper Designation 2MT
Overall Length (Inch) 5-1/8
Cutting Direction Forward

$76.62

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


Item #: 08830648
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
Pilot Shank Diameter Compatibility (Inch) 3/16
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 4
Shank Type Straight
Shank Diameter (Inch) 1/2
Aircraft-Style Yes
Overall Length (Inch) 5-3/8
Cutting Direction Forward

$144.12

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

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

Made in USA - 7/16" Diam, 3/8" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 78803285
Brand: Made in USA
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) 7/16
Pilot Shank Diameter Compatibility (Inch) 5/32
Finish/Coating Bright
Counterbore Material Carbide-Tipped
Number of Flutes 3
Shank Type Straight
Shank Diameter (Inch) 3/8
Aircraft-Style No
Overall Length (Inch) 4-1/16
Cutting Direction Forward
Material Application Steel

$210.99

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


Item #: 08815185
Brand: Value Collection
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 (Inch) 9/32
Pilot Shank Diameter Compatibility (Inch) 3/32
Finish/Coating Bright
Counterbore Material Cobalt
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

$82.95

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

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

Scientific Cutting Tools - 1-5/8 - 12" Port, 2.28" Spotface Diam, 1-1/4" Tube Outside Diam, Reamer Pilot, Carbide Tipped Porting Tool


Item #: 44065134
Brand: Scientific Cutting Tools
Model #: MS16142-20RC

Features and Benefits

Carbide-tipped cuts faster than high speed steel. It is commonly used on ferrous and nonferrous materials including cast iron, steel and steel alloys.
Product Specifications
Port Standard Designation MS 16142; SAE J1926; SAE J514
Pilot Type Reamer
Port Thread Size (Decimal Inch) 1.6250-12
Port Thread Size (Inch) 1-5/8 - 12
Tool Material Carbide-Tipped
Tube Dash Number 20.000
Tube Outside Diameter Compatibility (Decimal Inch) 1.250
Tube Outside Diameter Compatibility (Inch) 1-1/4
Minimum Pilot Diameter (Decimal Inch) 1.5420
Maximum Pilot Diameter (Decimal Inch) 1.7155
Spotface Diameter (Decimal Inch) 2.2800
Pilot Length (Decimal Inch) 0.7770
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating TiN
Head Length (Decimal Inch) 2.1000
Overall Length (Decimal Inch) 4.3500
Shank Diameter (Decimal Inch) 1.0000
Shank Length (Decimal Inch) 2.2500
Seal Angle 15
Thread Type UN
Flute Type Straight
Number of Flutes 4

$381.48

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

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

Scientific Cutting Tools - 2-1/2 - 12" Port, 2.4" Spotface Diam, 2" Tube Outside Diam, Plain Pilot, Straight Shank, Carbide Tipped Porting Tool


Item #: 00274993
Brand: Scientific Cutting Tools
Model #: MS33514-32CT

Features and Benefits

Carbide-tipped cuts faster than high speed steel. It is commonly used on ferrous and nonferrous materials including cast iron, steel and steel alloys.
Product Specifications
Port Standard Designation AS 33514; MS 33514
Pilot Type Plain
Port Thread Size (Decimal Inch) 2.5000-12
Port Thread Size (Inch) 2-1/2 - 12
Tool Material Carbide-Tipped
Tube Dash Number 32.000
Tube Outside Diameter Compatibility (Decimal Inch) 2.000
Tube Outside Diameter Compatibility (Inch) 2
Minimum Pilot Diameter (Decimal Inch) 1.8110
Spotface Diameter (Decimal Inch) 2.4000
Pilot Length (Decimal Inch) 1.0600
ShankType Straight
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating Bright
Overall Length (Decimal Inch) 4.0900
Shank Diameter (Inch) 1
Shank Diameter (Decimal Inch) 1.0000
Shank Length (Decimal Inch) 2.1250
Shank Length (Inch) 2.13
Seal Angle 12
Spotface to Shoulder Length (Decimal Inch) 0.4850
Thread Type UNJ
Flute Type Straight
Number of Flutes 4

$563.64

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


Item #: 08840324
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
Pilot Shank Diameter Compatibility (Inch) 1/8
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 4
Shank Type Straight
Shank Diameter (Inch) 1/4
Aircraft-Style Yes
Overall Length (Inch) 2-13/16
Cutting Direction Forward

$64.96

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

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

Scientific Cutting Tools - 1-1/16 - 12" Port, 1.665" Spotface Diam, 3/4" Tube Outside Diam, Reamer Pilot, Carbide Tipped Porting Tool


Item #: 44075703
Brand: Scientific Cutting Tools
Model #: MS33649-12RLA

Features and Benefits

Carbide-tipped cuts faster than high speed steel. It is commonly used on ferrous and nonferrous materials including cast iron, steel and steel alloys.
Product Specifications
Port Standard Designation AS 5202; MS 33649
Pilot Type Reamer
Port Thread Size (Decimal Inch) 1.0620-12
Port Thread Size (Inch) 1-1/16 - 12
Tool Material Carbide-Tipped
Tube Dash Number 12.000
Tube Outside Diameter Compatibility (Decimal Inch) 0.750
Tube Outside Diameter Compatibility (Inch) 3/4
Minimum Pilot Diameter (Decimal Inch) 0.9850
Maximum Pilot Diameter (Decimal Inch) 1.0885
Spotface Diameter (Decimal Inch) 1.6650
Pilot Length (Decimal Inch) 0.9510
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating AlTiN+
Head Length (Decimal Inch) 2.0000
Overall Length (Decimal Inch) 4.1200
Shank Diameter (Decimal Inch) 0.7500
Shank Length (Decimal Inch) 2.1200
Seal Angle 30
Thread Type UNJ
Flute Type Straight
Number of Flutes 4

$268.45

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

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