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)


Holemaking > Counterbores & Porting Tools (ET04)

Scientific Cutting Tools - 1-5/8 - 12" Port, 2.31" Spotface Diam, 1-1/4" Tube Outside Diam, Reamer Pilot, Carbide Tipped Porting Tool


Item #: 44042315
Brand: Scientific Cutting Tools
Model #: AND10050-20RA

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) 1.6250-12
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) 1.5380
Maximum Pilot Diameter (Decimal Inch) 1.6505
Spotface Diameter (Decimal Inch) 2.3100
Pilot Length (Decimal Inch) 0.8710
Identification Groove No
Workpiece Compatibility Tubes
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 30
Thread Type UN
Flute Type Straight
Number of Flutes 4

$320.45

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, 3 Flutes, Morse Taper Shank, Interchangeable Pilot Counterbore


Item #: 08780181
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) 9/32
Pilot Shank Diameter Compatibility (Inch) 3/32
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 3
Shank Type Morse Taper
Aircraft-Style No
Shank Taper Designation 1MT
Overall Length (Inch) 3-13/16
Cutting Direction Forward

$59.74

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 - M10x1.00mm Port, 0.6339" Spotface Diam, Reamer Pilot, Carbide Tipped Porting Tool


Item #: 06606776
Brand: Scientific Cutting Tools
Model #: 6149-M10X1

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) M10x1.00
Tool Material Carbide-Tipped
Minimum Pilot Diameter (mm) 9.000
Minimum Pilot Diameter (Decimal Inch) 0.3543
Maximum Pilot Diameter (Decimal Inch) 0.4390
Spotface Diameter (Decimal Inch) 0.6339
Spotface Diameter (mm) 16.10
Pilot Length (Decimal Inch) 0.3858
Identification Groove No
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 12
Thread Type Metric Fine
Flute Type Straight
Number of Flutes 3

$213.50

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


Item #: 08780249
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) 3/8
Pilot Shank Diameter Compatibility (Inch) 5/32
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 3
Shank Type Morse Taper
Aircraft-Style No
Shank Taper Designation 1MT
Overall Length (Inch) 4-1/16
Cutting Direction Forward

$62.95

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 - 1-5/16 - 12" Port, 1.965" Spotface Diam, 1" Tube Outside Diam, Reamer Pilot, Carbide Tipped Porting Tool


Item #: 42898726
Brand: Scientific Cutting Tools
Model #: MS33649-16RA

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) 1.3120-12
Port Thread Size (Inch) 1-5/16 - 12
Tool Material Carbide-Tipped
Tube Dash Number 16.000
Tube Outside Diameter Compatibility (Decimal Inch) 1.000
Tube Outside Diameter Compatibility (Inch) 1
Minimum Pilot Diameter (Decimal Inch) 1.2350
Maximum Pilot Diameter (Decimal Inch) 1.3385
Spotface Diameter (Decimal Inch) 1.9650
Pilot Length (Decimal Inch) 0.9510
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating AlTiN+
Head Length (Decimal Inch) 2.1200
Overall Length (Decimal Inch) 4.3700
Shank Diameter (Decimal Inch) 1.0000
Shank Length (Decimal Inch) 2.2500
Seal Angle 30
Thread Type UNJ
Flute Type Straight
Number of Flutes 4

$261.63

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 - 4 Flutes, 3/8" Diam, 5/32" Pilot Hole Diam, High Speed Steel Reverse Counterbore


Item #: 09937194
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) 3/8
Pilot Hole Diameter (Inch) 5/32
Counterbore Material High Speed Steel
Standard Pilot Model Number Compatibility 185-3
Oversize Pilot Model Number Compatibility 186-3
Number of Flutes 4
Overall Length (Inch) 1/2
Corner Radius (Inch) 1/32
Aircraft-Style No

$32.38

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


Item #: 65700569
Brand: Union Butterfield
Model #: 6210065

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
Pilot Shank Diameter Compatibility (Inch) 1/2
Pilot Shank Diameter Compatibility (Decimal Inch) 0.5000
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 5
Shank Type Straight
Shank Diameter (Inch) 1-1/2
Shank Diameter (Decimal Inch) 1.5000
Aircraft-Style No
Fastener Size Compatibility (Wire) #2
Overall Length (Decimal Inch) 8.3750
Overall Length (Inch) 8-3/8
Flute Length (Decimal Inch) 2.50
Flute Length (Inch) 2-1/2
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

$932.06

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


Item #: 00390120
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 Reamer
Port Thread Size (Inch) 3/4-16
Tool Material Carbide-Tipped
Tube Outside Diameter Compatibility (Inch) 1/2
Minimum Pilot Diameter (Decimal Inch) 0.6870 (AND Spec); 0.6930 (MS Spec)
Spotface Diameter (Decimal Inch) 1.2400
ShankType Straight
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating Bright
Overall Length (Inch) 3-15/16
Shank Diameter (Decimal Inch) 0.5000
Thread Type Straight
Number of Flutes 4

$430.55

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 - 1-1/16 - 12" Port, 1.665" Spotface Diam, 3/4" Tube Outside Diam, Reamer Pilot, Straight Shank, High Speed Steel Porting Tool


Item #: 00389544
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) 1-1/16 - 12
Tool Material High Speed Steel
Tube Outside Diameter Compatibility (Inch) 3/4
Minimum Pilot Diameter (Decimal Inch) 0.9760 (AND Spec); 0.9870 (MS Spec)
Spotface Diameter (Decimal Inch) 1.6650
ShankType Straight
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating Bright
Overall Length (Inch) 4-1/2
Shank Diameter (Decimal Inch) 0.7500
Thread Type Straight
Number of Flutes 4
Material Application Abrasive Materials; Ferrous Metals; Non-Ferrous Metals

$369.16

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, 3.49" Spotface Diam, 2" Tube Outside Diam, Reamer Pilot, Carbide Tipped Porting Tool


Item #: 45700382
Brand: Scientific Cutting Tools
Model #: MS16142-32RC

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) 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) 2.4170
Maximum Pilot Diameter (Decimal Inch) 2.5895
Spotface Diameter (Decimal Inch) 3.4900
Pilot Length (Decimal Inch) 0.7770
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating TiN
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 15
Thread Type UN
Flute Type Straight
Number of Flutes 4

$595.19

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


Item #: 08816084
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) 1-1/8
Pilot Shank Diameter Compatibility (Inch) 5/16
Finish/Coating Bright
Counterbore Material Cobalt
Number of Flutes 3
Shank Type Straight
Shank Diameter (Inch) 1
Aircraft-Style No
Shank Length (Inch) 4-5/8
Overall Length (Inch) 6-3/8
Cutting Direction Forward

$202.23

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


Item #: 71010649
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
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

$101.77

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 - 7/32" Diam, 7/32" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 71011142
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) 7/32
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) 7/32
Aircraft-Style Yes
Overall Length (Inch) 4
Cutting Direction Forward

$54.85

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 - 3/8-24" Port, 0.805" Spotface Diam, 3/16" Tube Outside Diam, Reamer Pilot, Straight Shank, Carbide Tipped Porting Tool


Item #: 00390070
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 Reamer
Port Thread Size (Inch) 3/8-24
Tool Material Carbide-Tipped
Tube Outside Diameter Compatibility (Inch) 3/16
Minimum Pilot Diameter (Decimal Inch) 0.3330 (AND Spec); 0.3390 (MS Spec)
Spotface Diameter (Decimal Inch) 0.8050
ShankType Straight
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating Bright
Overall Length (Inch) 3-19/32
Shank Diameter (Decimal Inch) 0.5000
Thread Type Straight
Number of Flutes 3

$409.25

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


Item #: 00274662
Brand: Scientific Cutting Tools
Model #: MS16142-6S

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 Bright
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

$194.40

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


Item #: 42792416
Brand: Scientific Cutting Tools
Model #: MS21921-16

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 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
Thread Type UNJF
Flute Type Straight
Number of Flutes 4

$278.55

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


Item #: 08816407
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) 1-5/8
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

$466.21

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 - 15/16" Diam, 3 Flutes, Morse Taper Shank, Interchangeable Pilot Counterbore


Item #: 08780603
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) 15/16
Pilot Shank Diameter Compatibility (Inch) 1/4
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) 6-1/8
Cutting Direction Forward

$102.63

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


Item #: 72774961
Brand: Scientific Cutting Tools
Model #: MS16142-4RA

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 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 12
Thread Type UNF
Flute Type Straight
Number of Flutes 3

$182.48

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 - 13/16-16" Port, 1.3" Spotface Diam, 9/16" Tube Outside Diam, Plain Pilot, Carbide Tipped Porting Tool


Item #: 44064616
Brand: Scientific Cutting Tools
Model #: MS33649-9SA

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 Plain
Port Thread Size (Decimal Inch) 0.8120-16
Port Thread Size (Inch) 13/16-16
Tool Material Carbide-Tipped
Tube Dash Number 9.000
Tube Outside Diameter Compatibility (Decimal Inch) 0.563
Tube Outside Diameter Compatibility (Inch) 9/16
Minimum Pilot Diameter (Decimal Inch) 0.7550
Maximum Pilot Diameter (Decimal Inch) 0.8345
Spotface Diameter (Decimal Inch) 1.3000
Pilot Length (Decimal Inch) 0.4750
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating AlTiN+
Head Length (Decimal Inch) 1.4900
Overall Length (Decimal Inch) 3.6100
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

$182.98

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

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