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

Made in USA - 4 Flutes, 1-3/4" Diam, 3/4" Pilot Hole Diam, Carbide-Tipped Reverse Counterbore - A1 Tooling

Made in USA - 4 Flutes, 1-3/4" Diam, 3/4" Pilot Hole Diam, Carbide-Tipped Reverse Counterbore


Item #: 09938283
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) 1-3/4
Pilot Hole Diameter (Inch) 3/4
Counterbore Material Carbide-Tipped
Standard Pilot Model Number Compatibility 185-10
Oversize Pilot Model Number Compatibility 186-22; 186-23; 186-24
Number of Flutes 4
Overall Length (Inch) 1
Corner Radius (Inch) 1/64
Aircraft-Style No

$355.65

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Made in USA - 4 Flutes, 7/8" Diam, 3/8" Pilot Hole Diam, High Speed Steel Reverse Counterbore - A1 Tooling

Made in USA - 4 Flutes, 7/8" Diam, 3/8" Pilot Hole Diam, High Speed Steel Reverse Counterbore


Item #: 09937418
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) 7/8
Pilot Hole Diameter (Inch) 3/8
Counterbore Material High Speed Steel
Standard Pilot Model Number Compatibility 185-7
Oversize Pilot Model Number Compatibility 186-10
Number of Flutes 4
Overall Length (Inch) 5/8
Corner Radius (Inch) 1/32
Aircraft-Style No

$91.47

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Made in USA - 4 Flutes, 9/16" Diam, 1/4" Pilot Hole Diam, Solid Carbide Reverse Counterbore - A1 Tooling

Made in USA - 4 Flutes, 9/16" Diam, 1/4" Pilot Hole Diam, Solid Carbide Reverse Counterbore


Item #: 09938051
Brand: Made in USA
Model #:

Features and Benefits

Solid carbide provides better rigidity than high speed steel. It is extremely heat resistant and used for high speed applications on cast iron, nonferrous materials, plastics and other tough-to-machine materials.
Product Specifications
Counterbore Diameter (Inch) 9/16
Pilot Hole Diameter (Inch) 1/4
Counterbore Material Solid Carbide
Standard Pilot Model Number Compatibility 185-5
Oversize Pilot Model Number Compatibility 186-8
Number of Flutes 4
Overall Length (Inch) 5/8
Corner Radius (Inch) 1/64
Aircraft-Style No

$148.88

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Made in USA - 4 Flutes, 1-7/8" Diam, 3/4" Pilot Hole Diam, High Speed Steel Reverse Counterbore - A1 Tooling

Made in USA - 4 Flutes, 1-7/8" Diam, 3/4" Pilot Hole Diam, High Speed Steel Reverse Counterbore


Item #: 09937533
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) 1-7/8
Pilot Hole Diameter (Inch) 3/4
Counterbore Material High Speed Steel
Standard Pilot Model Number Compatibility 185-10
Oversize Pilot Model Number Compatibility 186-22; 186-23; 186-24
Number of Flutes 4
Overall Length (Inch) 1
Corner Radius (Inch) 1/32
Aircraft-Style No

$227.88

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Made in USA - 4 Flutes, 3/8" Diam, 1/8" Pilot Hole Diam, Solid Carbide Reverse Counterbore - A1 Tooling

Made in USA - 4 Flutes, 3/8" Diam, 1/8" Pilot Hole Diam, Solid Carbide Reverse Counterbore


Item #: 09937947
Brand: Made in USA
Model #:

Features and Benefits

Solid carbide provides better rigidity than high speed steel. It is extremely heat resistant and used for high speed applications on cast iron, nonferrous materials, plastics and other tough-to-machine materials.
Product Specifications
Counterbore Diameter (Inch) 3/8
Pilot Hole Diameter (Inch) 1/8
Counterbore Material Solid Carbide
Standard Pilot Model Number Compatibility 185-2
Oversize Pilot Model Number Compatibility 186-2
Number of Flutes 4
Overall Length (Inch) 1/2
Corner Radius (Inch) 1/64
Aircraft-Style No

$154.61

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Made in USA - 4 Flutes, 9/16" Diam, 3/16" Pilot Hole Diam, Solid Carbide Reverse Counterbore - A1 Tooling

Made in USA - 4 Flutes, 9/16" Diam, 3/16" Pilot Hole Diam, Solid Carbide Reverse Counterbore


Item #: 09938044
Brand: Made in USA
Model #:

Features and Benefits

Solid carbide provides better rigidity than high speed steel. It is extremely heat resistant and used for high speed applications on cast iron, nonferrous materials, plastics and other tough-to-machine materials.
Product Specifications
Counterbore Diameter (Inch) 9/16
Pilot Hole Diameter (Inch) 3/16
Counterbore Material Solid Carbide
Standard Pilot Model Number Compatibility 185-4
Oversize Pilot Model Number Compatibility 186-7
Number of Flutes 4
Overall Length (Inch) 5/8
Corner Radius (Inch) 1/64
Aircraft-Style No

$153.14

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Scientific Cutting Tools - 1-5/8 - 12" Port, 1.56" Spotface Diam, 1-1/4" Tube Outside Diam, Plain Pilot, Carbide Tipped Porting Tool - A1 Tooling

Scientific Cutting Tools - 1-5/8 - 12" Port, 1.56" Spotface Diam, 1-1/4" Tube Outside Diam, Plain Pilot, Carbide Tipped Porting Tool


Item #: 92217181
Brand: Scientific Cutting Tools
Model #: MS33514-20

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) 1.6250-12
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) 1.0910
Maximum Pilot Diameter (Decimal Inch) 1.2720
Spotface Diameter (Decimal Inch) 1.5600
Pilot Length (Decimal Inch) 0.5100
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating Bright
Head Length (Decimal Inch) 1.6200
Overall Length (Decimal Inch) 3.6200
Shank Diameter (Decimal Inch) 0.7500
Shank Length (Decimal Inch) 2.0000
Seal Angle 12
Thread Type UNJ
Flute Type Straight
Number of Flutes 4

$302.31

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Scientific Cutting Tools - 9/16-18" Port, 0.979" Spotface Diam, 3/8" Tube Outside Diam, Plain Pilot, Carbide Tipped Porting Tool - A1 Tooling

Scientific Cutting Tools - 9/16-18" Port, 0.979" Spotface Diam, 3/8" Tube Outside Diam, Plain Pilot, Carbide Tipped Porting Tool


Item #: 44075364
Brand: Scientific Cutting Tools
Model #: MS16142-6SA

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) 0.5620-18
Port Thread Size (Inch) 9/16-18
Tool Material Carbide-Tipped
Tube Dash Number 6.000
Tube Outside Diameter Compatibility (Decimal Inch) 0.375
Tube Outside Diameter Compatibility (Inch) 3/8
Minimum Pilot Diameter (Decimal Inch) 0.5040
Maximum Pilot Diameter (Decimal Inch) 0.6185
Spotface Diameter (Decimal Inch) 0.9790
Pilot Length (Decimal Inch) 0.3900
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating AlTiN+
Head Length (Decimal Inch) 1.2500
Overall Length (Decimal Inch) 3.2500
Shank Diameter (Decimal Inch) 0.5000
Shank Length (Decimal Inch) 2.0000
Seal Angle 12
Thread Type UNF
Flute Type Straight
Number of Flutes 4

$171.23

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Value Collection - 13/64" Diam, 15/64" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Value Collection - 13/64" Diam, 15/64" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 08815136
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) 13/64
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

$95.29

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

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


Item #: 08790388
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) 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
Aircraft-Style No
Shank Length (Inch) 3-7/8
Overall Length (Inch) 5-1/8
Cutting Direction Forward

$67.26

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Scientific Cutting Tools - 7/16-20" Port, 0.838" Spotface Diam, 1/4" Tube Outside Diam, Reamer Pilot, Carbide Tipped Porting Tool - A1 Tooling

Scientific Cutting Tools - 7/16-20" Port, 0.838" Spotface Diam, 1/4" Tube Outside Diam, Reamer Pilot, Carbide Tipped Porting Tool


Item #: 35513175
Brand: Scientific Cutting Tools
Model #: MS16142-4RC

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) 0.4370-20
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) 0.3880
Maximum Pilot Diameter (Decimal Inch) 0.4895
Spotface Diameter (Decimal Inch) 0.8380
Pilot Length (Decimal Inch) 0.4570
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating TiN
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 12
Thread Type UNF
Flute Type Straight
Number of Flutes 3

$200.66

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Value Collection - 29/32" Diam, 3/4" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Value Collection - 29/32" Diam, 3/4" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 08790586
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) 29/32
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) 3/4
Aircraft-Style No
Shank Length (Inch) 4-5/8
Overall Length (Inch) 6-1/8
Cutting Direction Forward

$93.75

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Scientific Cutting Tools - 7/8-14" Port, 1.415" Spotface Diam, 5/8" Tube Outside Diam, Reamer Pilot, Carbide Tipped Porting Tool - A1 Tooling

Scientific Cutting Tools - 7/8-14" Port, 1.415" Spotface Diam, 5/8" Tube Outside Diam, Reamer Pilot, Carbide Tipped Porting Tool


Item #: 44042265
Brand: Scientific Cutting Tools
Model #: AND10050-10RA

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) 0.8750-14
Port Thread Size (Inch) 7/8-14
Tool Material Carbide-Tipped
Tube Dash Number 10.000
Tube Outside Diameter Compatibility (Decimal Inch) 0.625
Tube Outside Diameter Compatibility (Inch) 5/8
Minimum Pilot Diameter (Decimal Inch) 0.8020
Maximum Pilot Diameter (Decimal Inch) 0.8985
Spotface Diameter (Decimal Inch) 1.4150
Pilot Length (Decimal Inch) 0.6860
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating AlTiN+
Head Length (Decimal Inch) 1.6800
Overall Length (Decimal Inch) 3.8000
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

$220.29

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

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


Item #: 65706459
Brand: Union Butterfield
Model #: 6210123

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
Counterbore Diameter (Decimal Inch) 0.7500
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

$186.90

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Made in USA - 11/32" Diam, 1/4" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Made in USA - 11/32" Diam, 1/4" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 71010227
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) 11/32
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) 1/4
Aircraft-Style Yes
Overall Length (Inch) 2-3/8
Flute Length (Inch) 1/2
Cutting Direction Forward

$50.97

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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 - A1 Tooling

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


Item #: 44042364
Brand: Scientific Cutting Tools
Model #: AND10050-2RLA

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) 0.3120-24
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) 0.2710
Maximum Pilot Diameter (Decimal Inch) 0.3305
Spotface Diameter (Decimal Inch) 0.7420
Pilot Length (Decimal Inch) 0.4490
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating AlTiN+
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 UNF
Flute Type Straight
Number of Flutes 3

$187.99

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Made in USA - 3/4-16" Port, 1.24" Spotface Diam, 1/2" Tube Outside Diam, Plain Pilot, Straight Shank, High Speed Steel Porting Tool - A1 Tooling

Made in USA - 3/4-16" Port, 1.24" Spotface Diam, 1/2" Tube Outside Diam, Plain Pilot, Straight Shank, High Speed Steel Porting Tool


Item #: 00389320
Brand: Made in USA
Model #:

Features and Benefits

High speed steel (HSS) provides good wear resistance and can be used in general purpose applications for both ferrous and nonferrous materials.
Product Specifications
Port Standard Designation AND 10050; MS 33649
Pilot Type Plain
Port Thread Size (Inch) 3/4-16
Tool Material High Speed Steel
Tube Outside Diameter Compatibility (Inch) 1/2
Minimum Pilot Diameter (Decimal Inch) 0.6860 (AND Spec); 0.6920 (MS Spec)
Spotface Diameter (Decimal Inch) 1.2400
ShankType Straight
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating Bright
Overall Length (Inch) 3-3/4
Shank Diameter (Inch) 1/2
Shank Diameter (Decimal Inch) 0.5000
Thread Type Straight
Number of Flutes 4
Material Application Abrasive Materials; Ferrous Metals; Non-Ferrous Metals

$311.28

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Scientific Cutting Tools - M33x2.0mm Port, 1.6969" Spotface Diam, Reamer Pilot, Carbide Tipped Porting Tool - A1 Tooling

Scientific Cutting Tools - M33x2.0mm Port, 1.6969" Spotface Diam, Reamer Pilot, Carbide Tipped Porting Tool


Item #: 06606859
Brand: Scientific Cutting Tools
Model #: 6149-M33X2.0

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) M33x2.0
Tool Material Carbide-Tipped
Minimum Pilot Diameter (mm) 31.000
Minimum Pilot Diameter (Decimal Inch) 1.2205
Maximum Pilot Diameter (Decimal Inch) 1.3957
Spotface Diameter (Decimal Inch) 1.6969
Spotface Diameter (mm) 43.10
Pilot Length (Decimal Inch) 0.7402
Identification Groove No
Finish/Coating Bright
Head Length (Decimal Inch) 2.0000
Overall Length (Decimal Inch) 4.2500
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

$339.83

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Scientific Cutting Tools - 2-1/2 - 12" Port, 3.52" Spotface Diam, 2" Tube Outside Diam, Reamer Pilot, Carbide Tipped Porting Tool - A1 Tooling

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


Item #: 44042372
Brand: Scientific Cutting Tools
Model #: AND10050-32RA

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) 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) 2.4130
Maximum Pilot Diameter (Decimal Inch) 2.5265
Spotface Diameter (Decimal Inch) 3.5200
Pilot Length (Decimal Inch) 1.2620
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating AlTiN+
Head Length (Decimal Inch) 2.6500
Overall Length (Decimal Inch) 5.1500
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

$549.77

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Made in USA - 1/2-20" Port, 0.95" Spotface Diam, 5/16" Tube Outside Diam, Reamer Pilot, Straight Shank, High Speed Steel Porting Tool - A1 Tooling

Made in USA - 1/2-20" Port, 0.95" Spotface Diam, 5/16" Tube Outside Diam, Reamer Pilot, Straight Shank, High Speed Steel Porting Tool


Item #: 00389478
Brand: Made in USA
Model #:

Features and Benefits

High speed steel (HSS) provides good wear resistance and can be used in general purpose applications for both ferrous and nonferrous materials.
Product Specifications
Port Standard Designation AND 10050; MS 33649
Pilot Type Reamer
Port Thread Size (Inch) 1/2-20
Tool Material High Speed Steel
Tube Outside Diameter Compatibility (Inch) 5/16
Minimum Pilot Diameter (Decimal Inch) 0.4490 (AND Spec); 0.4550 (MS Spec)
Spotface Diameter (Decimal Inch) 0.9500
ShankType Straight
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating Bright
Overall Length (Inch) 3-21/32
Shank Diameter (Decimal Inch) 0.5000
Thread Type Straight
Number of Flutes 4
Material Application Abrasive Materials; Ferrous Metals; Non-Ferrous Metals

$302.62

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