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


Holemaking > Counterbores & Porting Tools (ET04)

Made in USA - 4 Flutes, 11/16" Diam, 5/16" Pilot Hole Diam, High Speed Steel Reverse Counterbore


Item #: 09937350
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) 11/16
Pilot Hole Diameter (Inch) 5/16
Counterbore Material High Speed Steel
Standard Pilot Model Number Compatibility 185-6
Oversize Pilot Model Number Compatibility 186-9
Number of Flutes 4
Overall Length (Inch) 5/8
Corner Radius (Inch) 1/32
Aircraft-Style No

$41.63

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Scientific Cutting Tools - 5/16-24" Port, 0.742" Spotface Diam, 1/8" Tube Outside Diam, Reamer Pilot, Carbide Tipped Porting Tool


Item #: 41219155
Brand: Scientific Cutting Tools
Model #: MS33649-2RL

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) 0.3120-24
Port Thread Size (Inch) 5/16-24
Tool Material Carbide-Tipped
Tube Dash Number 2.000
Tube Outside Diameter Compatibility (Decimal Inch) 0.125
Tube Outside Diameter Compatibility (Inch) 1/8
Minimum Pilot Diameter (Decimal Inch) 0.2760
Maximum Pilot Diameter (Decimal Inch) 0.3305
Spotface Diameter (Decimal Inch) 0.7420
Pilot Length (Decimal Inch) 0.5260
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating Bright
Head Length (Decimal Inch) 1.2500
Overall Length (Decimal Inch) 3.0000
Shank Diameter (Decimal Inch) 0.5000
Shank Length (Decimal Inch) 1.7500
Seal Angle 30
Thread Type UNJF
Flute Type Straight
Number of Flutes 3

$180.71

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Union Butterfield - 17/32" Diam, 1/4" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 65706343
Brand: Union Butterfield
Model #: 6210146

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) 17/32
Counterbore Diameter (Decimal Inch) 0.5313
Pilot Shank Diameter Compatibility (Inch) 1/8
Pilot Shank Diameter Compatibility (Decimal Inch) 0.1250
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

$148.32

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Scientific Cutting Tools - 7/16-20" Port, 0.888" Spotface Diam, 1/4" Tube Outside Diam, Plain Pilot, Carbide Tipped Porting Tool


Item #: 44042422
Brand: Scientific Cutting Tools
Model #: AND10050-4SA

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) 0.4370-20
Port Thread Size (Inch) 7/16-20
Tool Material Carbide-Tipped
Tube Dash Number 4.000
Tube Outside Diameter Compatibility (Decimal Inch) 0.250
Tube Outside Diameter Compatibility (Inch) 1/4
Minimum Pilot Diameter (Decimal Inch) 0.3850
Maximum Pilot Diameter (Decimal Inch) 0.4565
Spotface Diameter (Decimal Inch) 0.8880
Pilot Length (Decimal Inch) 0.3620
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating AlTiN+
Head Length (Decimal Inch) 1.1200
Overall Length (Decimal Inch) 3.1200
Shank Diameter (Decimal Inch) 0.5000
Shank Length (Decimal Inch) 2.0000
Seal Angle 30
Thread Type UNF
Flute Type Straight
Number of Flutes 4

$144.79

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Scientific Cutting Tools - 2-1/2 - 12" Port, 3.52" Spotface Diam, 2" Tube Outside Diam, Plain Pilot, Carbide Tipped Porting Tool


Item #: 44039725
Brand: Scientific Cutting Tools
Model #: AND10050-32SA

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) 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) 2.4120
Maximum Pilot Diameter (Decimal Inch) 2.5265
Spotface Diameter (Decimal Inch) 3.5200
Pilot Length (Decimal Inch) 0.6670
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating AlTiN+
Head Length (Decimal Inch) 2.1000
Overall Length (Decimal Inch) 4.6000
Shank Diameter (Decimal Inch) 1.2500
Shank Length (Decimal Inch) 2.5000
Seal Angle 30
Thread Type UN
Flute Type Straight
Number of Flutes 4

$453.61

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Made in USA - 1-1/16" Diam, 3 Flutes, Morse Taper Shank, Interchangeable Pilot Counterbore


Item #: 78811049
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) 1-1/16
Pilot Shank Diameter Compatibility (Inch) 5/16
Pilot Shank Diameter Compatibility (Decimal Inch) 0.3125
Finish/Coating Bright
Counterbore Material Carbide-Tipped
Number of Flutes 3
Shank Type Morse Taper
Aircraft-Style No
Shank Taper Designation 3MT
Overall Length (Inch) 6-3/8
Cutting Direction Forward
Material Application Cast Iron; Composites; Non-Ferrous Metals; Non-Metals; Plastics

$315.84

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Value Collection - 23/32" Diam, 1/2" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 08830465
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) 23/32
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

$106.01

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Scientific Cutting Tools - 3/4-16" Port, 1.198" Spotface Diam, 1/2" Tube Outside Diam, Reamer Pilot, Carbide Tipped Porting Tool


Item #: 00274803
Brand: Scientific Cutting Tools
Model #: MS16142-8R

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 MS 16142; SAE J1926; SAE J514
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) 0.6880
Maximum Pilot Diameter (Decimal Inch) 0.8135
Spotface Diameter (Decimal Inch) 1.1980
Pilot Length (Decimal Inch) 0.5910
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 15
Thread Type UNF
Flute Type Straight
Number of Flutes 4

$241.41

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Scientific Cutting Tools - 2-1/4 - 12" Port, 3.05" Spotface Diam, 1-3/4" Tube Outside Diam, Plain Pilot, Carbide Tipped Porting Tool


Item #: 00274472
Brand: Scientific Cutting Tools
Model #: AND10050-28S

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) 2.2500-12
Port Thread Size (Inch) 2-1/4 - 12
Tool Material Carbide-Tipped
Tube Dash Number 28.000
Tube Outside Diameter Compatibility (Decimal Inch) 1.750
Tube Outside Diameter Compatibility (Inch) 1-3/4
Minimum Pilot Diameter (Decimal Inch) 2.1620
Maximum Pilot Diameter (Decimal Inch) 2.2755
Spotface Diameter (Decimal Inch) 3.0500
Pilot Length (Decimal Inch) 0.6670
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating Bright
Head Length (Decimal Inch) 2.0000
Overall Length (Decimal Inch) 4.5000
Shank Diameter (Decimal Inch) 1.2500
Shank Length (Decimal Inch) 2.5000
Seal Angle 30
Thread Type UN
Flute Type Straight
Number of Flutes 4

$433.03

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Scientific Cutting Tools - 1-1/16 - 12" Port, 1.635" Spotface Diam, 3/4" Tube Outside Diam, Reamer Pilot, Carbide Tipped Porting Tool


Item #: 44075273
Brand: Scientific Cutting Tools
Model #: MS16142-12RC

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) 1.0620-12
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) 0.9790
Maximum Pilot Diameter (Decimal Inch) 1.1505
Spotface Diameter (Decimal Inch) 1.6350
Pilot Length (Decimal Inch) 0.7790
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating TiN
Head Length (Decimal Inch) 1.8200
Overall Length (Decimal Inch) 3.9400
Shank Diameter (Decimal Inch) 0.7500
Shank Length (Decimal Inch) 2.1200
Seal Angle 15
Thread Type UN
Flute Type Straight
Number of Flutes 4

$265.70

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Scientific Cutting Tools - 0.5000-20" Port, 1.05" Spotface Diam, Reamer Pilot, Carbide Tipped Porting Tool


Item #: 03822053
Brand: Scientific Cutting Tools
Model #: MS33651

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
Pilot Type Reamer
Port Thread Size (Decimal Inch) 0.5000-20
Tool Material Carbide-Tipped
Minimum Pilot Diameter (Decimal Inch) 0.4500
Maximum Pilot Diameter (Decimal Inch) 0.5230
Spotface Diameter (Decimal Inch) 1.0500
Pilot Length (Decimal Inch) 0.6200
Identification Groove No
Finish/Coating Bright
Head Length (Decimal Inch) 1.3700
Overall Length (Decimal Inch) 3.2500
Shank Diameter (Decimal Inch) 0.5000
Shank Length (Decimal Inch) 1.8800
Thread Type UNF
Flute Type Straight

$194.12

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Made in USA - 7/8-14" Port, 1.415" Spotface Diam, 5/8" Tube Outside Diam, Plain Pilot, Straight Shank, Carbide Tipped Porting Tool


Item #: 00389965
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 AND 10050; MS 33649
Pilot Type Plain
Port Thread Size (Inch) 7/8-14
Tool Material Carbide-Tipped
Tube Outside Diameter Compatibility (Inch) 5/8
Minimum Pilot Diameter (Decimal Inch) 0.8010 (AND Spec); 0.8090 (MS Spec)
Spotface Diameter (Decimal Inch) 1.4150
ShankType Straight
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating Bright
Overall Length (Inch) 4-1/32
Shank Diameter (Inch) 3/4
Shank Diameter (Decimal Inch) 0.7500
Thread Type Straight
Number of Flutes 4

$398.35

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Value Collection - 1-1/8" Diam, 3 Flutes, Morse Taper Shank, Interchangeable Pilot Counterbore


Item #: 08781080
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) 1-1/8
Pilot Shank Diameter Compatibility (Inch) 5/16
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 3
Shank Type Morse Taper
Aircraft-Style No
Shank Taper Designation 3MT
Overall Length (Inch) 6-3/8
Cutting Direction Forward

$142.14

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Value Collection - 1-1/8" Diam, 1/2" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 08831083
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) 1-1/8
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) 5-1/2
Cutting Direction Forward

$172.41

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Value Collection - 1-1/4" Diam, 5 Flutes, Morse Taper Shank, Interchangeable Pilot Counterbore


Item #: 08781163
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) 1-1/4
Pilot Shank Diameter Compatibility (Inch) 3/8
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 5
Shank Type Morse Taper
Aircraft-Style No
Shank Taper Designation 3MT
Overall Length (Inch) 6-5/8
Cutting Direction Forward

$174.00

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Made in USA - 1/2" Diam, 3 Flutes, Morse Taper Shank, Interchangeable Pilot Counterbore


Item #: 78810322
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) 1/2
Pilot Shank Diameter Compatibility (Inch) 3/16
Pilot Shank Diameter Compatibility (Decimal Inch) 0.1875
Finish/Coating Bright
Counterbore Material Carbide-Tipped
Number of Flutes 3
Shank Type Morse Taper
Aircraft-Style No
Shank Taper Designation 1MT
Overall Length (Inch) 4-5/16
Cutting Direction Forward
Material Application Cast Iron; Composites; Non-Ferrous Metals; Non-Metals; Plastics

$246.96

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Made in USA - 9/16-18" Port, 0.989" Spotface Diam, 3/8" Tube Outside Diam, Reamer Pilot, Straight Shank, Carbide Tipped Porting Tool


Item #: 00390419
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 Reamer
Port Thread Size (Inch) 9/16-18
Tool Material Carbide-Tipped
Tube Outside Diameter Compatibility (Inch) 3/8
Minimum Pilot Diameter (Decimal Inch) 0.5060
Spotface Diameter (Decimal Inch) 0.9890
ShankType Straight
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating Bright
Overall Length (Inch) 3-29/32
Shank Diameter (Decimal Inch) 0.5000
Seal Angle 12
Thread Type Straight
Number of Flutes 4

$438.27

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Value Collection - 9/16" Diam, 1/2" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 08815367
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) 9/16
Pilot Shank Diameter Compatibility (Inch) 3/16
Finish/Coating Bright
Counterbore Material Cobalt
Number of Flutes 3
Shank Type Straight
Shank Diameter (Inch) 1/2
Aircraft-Style No
Shank Length (Inch) 3-1/16
Overall Length (Inch) 4-5/16
Cutting Direction Forward

$95.11

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Value Collection - 11/16" Diam, 1/2" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 08830440
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 4
Shank Type Straight
Shank Diameter (Inch) 1/2
Aircraft-Style Yes
Overall Length (Inch) 5-3/8
Cutting Direction Forward

$101.09

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Scientific Cutting Tools - M60x2.0mm Port, 2.9961" Spotface Diam, Reamer Pilot, Carbide Tipped Porting Tool


Item #: 44037737
Brand: Scientific Cutting Tools
Model #: 6149-M60X2.0-ID

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 ISO 6149-1; SAE J2244-1
Pilot Type Reamer
Port Thread Size (mm) M60x2.0
Tool Material Carbide-Tipped
Minimum Pilot Diameter (mm) 58.000
Minimum Pilot Diameter (Decimal Inch) 2.2835
Maximum Pilot Diameter (Decimal Inch) 2.4587
Spotface Diameter (Decimal Inch) 2.9961
Spotface Diameter (mm) 76.10
Pilot Length (Decimal Inch) 0.9567
Identification Groove Yes
Finish/Coating AlTiN+
Head Length (Decimal Inch) 2.1000
Overall Length (Decimal Inch) 4.3500
Shank Diameter (Decimal Inch) 1.2500
Shank Length (Decimal Inch) 2.2500
Seal Angle 15
Thread Type Metric Fine
Flute Type Straight
Number of Flutes 4

$534.31

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