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


Value Collection - 2-1/2" Diam, 1-3/4" Shank, Diam, 5 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 08792327
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) 2-1/2
Pilot Shank Diameter Compatibility (Inch) 1/2
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 5
Shank Type Straight
Shank Diameter (Inch) 1-3/4
Aircraft-Style No
Shank Length (Inch) 7-3/8
Overall Length (Inch) 9-7/8
Cutting Direction Forward

$774.10

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Scientific Cutting Tools - 3/8-24" Port, 0.602" Spotface Diam, 5/16" Tube Outside Diam, Reamer Pilot, Carbide Tipped Porting Tool


Item #: 44076149
Brand: Scientific Cutting Tools
Model #: RPT-5A

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) 0.3750-24
Port Thread Size (Inch) 3/8-24
Tool Material Carbide-Tipped
Tube Dash Number 5.000
Tube Outside Diameter Compatibility (Decimal Inch) 0.313
Tube Outside Diameter Compatibility (Inch) 5/16
Minimum Pilot Diameter (Decimal Inch) 0.3370
Maximum Pilot Diameter (Decimal Inch) 0.4020
Spotface Diameter (Decimal Inch) 0.6020
Pilot Length (Decimal Inch) 0.4265
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating AlTiN+
Head Length (Decimal Inch) 1.4800
Overall Length (Decimal Inch) 3.4800
Shank Diameter (Decimal Inch) 0.5000
Shank Length (Decimal Inch) 2.0000
Seal Angle 21
Thread Type UNJF
Flute Type Straight
Number of Flutes 3

$207.17

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Value Collection - 1-11/16" Diam, 1-1/4" Shank, Diam, 5 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 08791444
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) 1-11/16
Pilot Shank Diameter Compatibility (Inch) 7/16
Finish/Coating Bright
Counterbore Material High Speed Steel
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

$340.44

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


Item #: 71011829
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) 1-1/2
Pilot Shank Diameter Compatibility (Inch) 1/4
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

$232.05

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Made in USA - 31/32" Diam, 1/4" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 71010623
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) 31/32
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) 1/4
Aircraft-Style Yes
Overall Length (Inch) 3-1/8
Flute Length (Inch) 3/4
Cutting Direction Forward

$102.61

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Value Collection - 25/64" Diam, 3/8" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 08815250
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) 25/64
Pilot Shank Diameter Compatibility (Inch) 5/32
Finish/Coating Bright
Counterbore Material Cobalt
Number of Flutes 3
Shank Type Straight
Shank Diameter (Inch) 3/8
Aircraft-Style No
Shank Length (Inch) 3-1/16
Overall Length (Inch) 4-1/16
Cutting Direction Forward

$97.07

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Union Butterfield - 21/32" Diam, 1/2" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 65706475
Brand: Union Butterfield
Model #: 6210120

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) 21/32
Counterbore Diameter (Decimal Inch) 0.6563
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 3
Shank Type Straight
Shank Diameter (Inch) 1/2
Shank Diameter (Decimal Inch) 0.5000
Aircraft-Style Yes
Overall Length (Decimal Inch) 5.3750
Overall Length (Inch) 5-3/8
Flute Length (Decimal Inch) 1.25
Flute Length (Inch) 1-1/4
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

$178.41

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Scientific Cutting Tools - 1.3120-12" Port, 1.55" Spotface Diam, 1" Tube Outside Diam, Reamer Pilot, Carbide Tipped Porting Tool


Item #: 44065035
Brand: Scientific Cutting Tools
Model #: MS21921-16A

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 21921
Pilot Type Reamer
Port Thread Size (Decimal Inch) 1.3120-12
Tool Material Carbide-Tipped
Tube Dash Number 16.000
Tube Outside Diameter Compatibility (Decimal Inch) 1.000
Minimum Pilot Diameter (Decimal Inch) 1.0760
Maximum Pilot Diameter (Decimal Inch) 1.5500
Spotface Diameter (Decimal Inch) 1.5500
Pilot Length (Decimal Inch) 0.4030
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating AlTiN+
Head Length (Decimal Inch) 2.0000
Overall Length (Decimal Inch) 4.2500
Shank Diameter (Decimal Inch) 1.0000
Shank Length (Decimal Inch) 2.2500
Thread Type UNJF
Flute Type Straight
Number of Flutes 4

$330.32

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Made in USA - 1-1/2" Diam, 4 Flutes, Morse Taper Shank, Interchangeable Pilot Counterbore


Item #: 78811320
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) 1-1/2
Pilot Shank Diameter Compatibility (Inch) 3/8
Pilot Shank Diameter Compatibility (Decimal Inch) 0.3750
Finish/Coating Bright
Counterbore Material Carbide-Tipped
Number of Flutes 4
Shank Type Morse Taper
Aircraft-Style No
Shank Taper Designation 4MT
Overall Length (Inch) 7-7/8
Cutting Direction Forward
Material Application Cast Iron; Composites; Non-Ferrous Metals; Non-Metals; Plastics

$439.48

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7/32″ Pin Diam, 13/32″ Head Diam x 3/16″ Head Height, 18″ OAL, Straight/Oversize Ejector Pin Steel


Item #: 37531985
Brand: Gibraltar
Model #: KEP-4519

Product Specifications

Pin Type Straight Ejector Pin
Pin Diameter (mm) 0.2188 in
Pin Diameter (Inch) 7/32
Head Diameter (Inch) 13/32; 0.4063 in
Head Diameter (mm) 0.4063 in
Head Height (Inch) 0.1875 in
Overall Length 18 in
Overall Length (mm) 18 in
Overall Length (Inch) 18 in; 18
Material Steel

$8.83

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Union Butterfield - 5/16" Diam, 19/64" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 65707861
Brand: Union Butterfield
Model #: 6210033

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
Counterbore Diameter (Decimal Inch) 0.3125
Pilot Shank Diameter Compatibility (Inch) 3/32
Pilot Shank Diameter Compatibility (Decimal Inch) 0.0938
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 3
Shank Type Straight
Shank Diameter (Inch) 19/64
Shank Diameter (Decimal Inch) 0.2969
Aircraft-Style No
Overall Length (Decimal Inch) 3.8125
Overall Length (Inch) 3-13/16
Flute Length (Decimal Inch) 0.75
Flute Length (Inch) 3/4
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

$138.97

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


Item #: 00274464
Brand: Scientific Cutting Tools
Model #: AND10050-24S

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) 1.8750-12
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) 1.7870
Maximum Pilot Diameter (Decimal Inch) 1.9005
Spotface Diameter (Decimal Inch) 2.6280
Pilot Length (Decimal Inch) 0.6170
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating Bright
Head Length (Decimal Inch) 1.9500
Overall Length (Decimal Inch) 4.2000
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

$390.27

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Scientific Cutting Tools - 7/16-20" Port, 0.415" Spotface Diam, 1/4" Tube Outside Diam, Plain Pilot, Solid Carbide Porting Tool


Item #: 44075588
Brand: Scientific Cutting Tools
Model #: MS33514-4A

Features and Benefits

Solid carbide is extremely heat resistant and used for high speed applications on cast iron, nonferrous materials, plastics and other tough-to-machine materials.
Product Specifications
Port Standard Designation AS 33514; MS 33514
Pilot Type Plain
Port Thread Size (Decimal Inch) 0.4370-20
Port Thread Size (Inch) 7/16-20
Tool Material Solid Carbide
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) 0.1850
Maximum Pilot Diameter (Decimal Inch) 0.2630
Spotface Diameter (Decimal Inch) 0.4150
Pilot Length (Decimal Inch) 0.2260
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating AlTiN+
Head Length (Decimal Inch) 1.0000
Overall Length (Decimal Inch) 3.0000
Shank Diameter (Decimal Inch) 0.5000
Shank Length (Decimal Inch) 2.0000
Seal Angle 12
Thread Type UNJF
Flute Type Straight
Number of Flutes 3

$203.67

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Made in USA - 1-1/8" Diam, 1" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 08813081
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) 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 Length (Inch) 4-5/8
Overall Length (Inch) 6-3/8
Cutting Direction Forward

$173.48

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Brand: Glastonbury Gage & Southern Gage - GSG / Part #: GSG-CR-2.0942MC


Item #: 62294772
Brand: Glastonbury Gage & Southern Gage - GSG
Model #: GSG-CR-2.0942MC

Product Specifications

Material Solid Carbide
Tolerance (Decimal Inch) +0.00002/-0.00002
Blank Number Wire Size #7
Inner Diameter (Decimal Inch) 2.0942
Calibrated Yes
Traceability Certification Included NIST
Standards B47.1 Gage Standards; ASME B89.1.6
Go/No Go Master

$1,438.97

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


Item #: 08840480
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) 3/4
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) 1/4
Aircraft-Style Yes
Overall Length (Inch) 3-1/8
Cutting Direction Forward

$86.20

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Scientific Cutting Tools - M42x2.0mm Port, 2.0512" Spotface Diam, Reamer Pilot, Carbide Tipped Porting Tool


Item #: 44037901
Brand: Scientific Cutting Tools
Model #: 6149-M42X2.0A

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) M42x2.0
Tool Material Carbide-Tipped
Minimum Pilot Diameter (mm) 40.000
Minimum Pilot Diameter (Decimal Inch) 1.5748
Maximum Pilot Diameter (Decimal Inch) 1.7500
Spotface Diameter (Decimal Inch) 2.0512
Spotface Diameter (mm) 52.10
Pilot Length (Decimal Inch) 0.7598
Identification Groove No
Finish/Coating AlTiN+
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 Metric Fine
Flute Type Straight
Number of Flutes 4

$321.25

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Scientific Cutting Tools - 3/8-24" Port, 0.76" Spotface Diam, 3/16" Tube Outside Diam, Plain Pilot, Carbide Tipped Porting Tool


Item #: 00274639
Brand: Scientific Cutting Tools
Model #: MS16142-3S

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 Plain
Port Thread Size (Decimal Inch) 0.3750-24
Port Thread Size (Inch) 3/8-24
Tool Material Carbide-Tipped
Tube Dash Number 3.000
Tube Outside Diameter Compatibility (Decimal Inch) 0.188
Tube Outside Diameter Compatibility (Inch) 3/16
Minimum Pilot Diameter (Decimal Inch) 0.3310
Maximum Pilot Diameter (Decimal Inch) 0.4235
Spotface Diameter (Decimal Inch) 0.7600
Pilot Length (Decimal Inch) 0.3330
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating Bright
Head Length (Decimal Inch) 1.0000
Overall Length (Decimal Inch) 3.0000
Shank Diameter (Decimal Inch) 0.5000
Shank Length (Decimal Inch) 2.0000
Seal Angle 12
Thread Type UNF
Flute Type Straight
Number of Flutes 3

$175.73

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Scientific Cutting Tools - 1/2-20" Port, 0.95" Spotface Diam, 5/16" Tube Outside Diam, Reamer Pilot, Carbide Tipped Porting Tool


Item #: 44075851
Brand: Scientific Cutting Tools
Model #: MS33649-5RLA

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) 0.5000-20
Port Thread Size (Inch) 1/2-20
Tool Material Carbide-Tipped
Tube Dash Number 5.000
Tube Outside Diameter Compatibility (Decimal Inch) 0.313
Tube Outside Diameter Compatibility (Inch) 5/16
Minimum Pilot Diameter (Decimal Inch) 0.4550
Maximum Pilot Diameter (Decimal Inch) 0.5195
Spotface Diameter (Decimal Inch) 0.9500
Pilot Length (Decimal Inch) 0.5930
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating AlTiN+
Head Length (Decimal Inch) 1.2400
Overall Length (Decimal Inch) 3.1200
Shank Diameter (Decimal Inch) 0.5000
Shank Length (Decimal Inch) 1.8800
Seal Angle 30
Thread Type UNJF
Flute Type Straight
Number of Flutes 4

$202.94

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


Item #: 92217124
Brand: Scientific Cutting Tools
Model #: MS33514-12

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) 1.0620-12
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) 0.6540
Maximum Pilot Diameter (Decimal Inch) 0.7680
Spotface Diameter (Decimal Inch) 1.0000
Pilot Length (Decimal Inch) 0.4250
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating Bright
Head Length (Decimal Inch) 1.3500
Overall Length (Decimal Inch) 3.2300
Shank Diameter (Decimal Inch) 0.5000
Shank Length (Decimal Inch) 1.8800
Seal Angle 12
Thread Type UNJ
Flute Type Straight
Number of Flutes 3

$257.96

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