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 - 7/16-20" Port, 0.676" Spotface Diam, 3/8" Tube Outside Diam, Reamer Pilot, Carbide Tipped Porting Tool


Item #: 44064400
Brand: Scientific Cutting Tools
Model #: RPT-6A

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) 0.4370-20
Port Thread Size (Inch) 7/16-20
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) 0.3920
Maximum Pilot Diameter (Decimal Inch) 0.4650
Spotface Diameter (Decimal Inch) 0.6760
Pilot Length (Decimal Inch) 0.4715
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating AlTiN+
Head Length (Decimal Inch) 1.5300
Overall Length (Decimal Inch) 3.5300
Shank Diameter (Decimal Inch) 0.5000
Shank Length (Decimal Inch) 2.0000
Seal Angle 21
Thread Type UNJF
Flute Type Straight
Number of Flutes 4

$229.58

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

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

Cleveland - 3/8" Diam, 1/4" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 03229952
Brand: Cleveland
Model #: C46890

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
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 4
Shank Type Straight
Shank Diameter (mm) 6.35
Shank Diameter (Decimal Inch) 0.2500
Aircraft-Style Yes
Shank Length (Decimal Inch) 0.8750
Overall Length (Decimal Inch) 2.3750
Cutting Direction Forward
Material Application Alloy Steel; Aluminum; Carbon Steel; Cast Iron; Copper Alloys

$100.49

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 - 1-3/8" Diam, 1" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 78804242
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) 1-3/8
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 Straight
Shank Diameter (Inch) 1
Aircraft-Style No
Overall Length (Inch) 6-5/8
Cutting Direction Forward
Material Application Steel

$348.41

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


Item #: 96419247
Brand: Scientific Cutting Tools
Model #: MS33649-5RL

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 Bright
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

$198.31

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 - 1-9/16" Diam, 1-1/4" Shank, Diam, 5 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 08791360
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) 1-9/16
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

$318.88

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 - 25/32" Diam, 3 Flutes, Morse Taper Shank, Interchangeable Pilot Counterbore


Item #: 08780504
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) 25/32
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 2MT
Overall Length (Inch) 5-3/8
Cutting Direction Forward

$93.50

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 - 7/16-20" Port, 0.888" Spotface Diam, 1/4" Tube Outside Diam, Plain Pilot, Straight Shank, High Speed Steel Porting Tool


Item #: 00389288
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) 7/16-20
Tool Material High Speed Steel
Tube Outside Diameter Compatibility (Inch) 1/4
Minimum Pilot Diameter (Decimal Inch) 0.3850 (AND Spec); 0.3920 (MS Spec)
Spotface Diameter (Decimal Inch) 0.8880
ShankType Straight
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating Bright
Overall Length (Inch) 3-15/32
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

$282.18

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


Item #: 08814006
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) 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) 1-1/2
Shank Length (Inch) 5-7/8
Overall Length (Inch) 8-3/8
Cutting Direction Forward

$483.03

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 - 7/8-14" Port, 1.364" Spotface Diam, 5/8" Tube Outside Diam, Reamer Pilot, Straight Shank, Carbide Tipped Porting Tool


Item #: 00390435
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) 7/8-14
Tool Material Carbide-Tipped
Tube Outside Diameter Compatibility (Inch) 5/8
Minimum Pilot Diameter (Decimal Inch) 0.8020
Spotface Diameter (Decimal Inch) 1.3640
ShankType Straight
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating Bright
Overall Length (Inch) 3-31/32
Shank Diameter (Decimal Inch) 0.7500
Seal Angle 15
Thread Type Straight
Number of Flutes 4

$483.09

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 - 1/2-20" Port, 0.916" Spotface Diam, 5/16" Tube Outside Diam, Plain Pilot, Carbide Tipped Porting Tool


Item #: 00274654
Brand: Scientific Cutting Tools
Model #: MS16142-5S

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) 0.5000-20
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) 0.4480
Maximum Pilot Diameter (Decimal Inch) 0.5525
Spotface Diameter (Decimal Inch) 0.9160
Pilot Length (Decimal Inch) 0.3640
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating Bright
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 12
Thread Type UNF
Flute Type Straight
Number of Flutes 4

$186.67

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 - 63/64" Diam, 3/4" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 08790636
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) 63/64
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) 3/4
Aircraft-Style No
Shank Length (Inch) 4-5/8
Overall Length (Inch) 6-3/8
Cutting Direction Forward

$147.99

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, 1.012" Spotface Diam, 3/8" Tube Outside Diam, Reamer Pilot, Carbide Tipped Porting Tool


Item #: 92496793
Brand: Scientific Cutting Tools
Model #: MS33649-6RA

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
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) 0.5130
Maximum Pilot Diameter (Decimal Inch) 0.5825
Spotface Diameter (Decimal Inch) 1.0120
Pilot Length (Decimal Inch) 0.6380
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating AlTiN+
Head Length (Decimal Inch) 1.5000
Overall Length (Decimal Inch) 3.3800
Overall Length (Inch) 3.3800
Shank Diameter (Inch) 0.5000
Shank Diameter (Decimal Inch) 0.5000
Shank Length (Decimal Inch) 1.8800
Shank Length (Inch) 1.8800
Seal Angle 30
Thread Type UNJF
Flute Type Straight
Number of Flutes 4

$200.51

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 - M8x1.00mm Port, 0.5551" Spotface Diam, Reamer Pilot, Carbide Tipped Porting Tool


Item #: 44037695
Brand: Scientific Cutting Tools
Model #: 6149-M8X1A

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) M8x1.00
Tool Material Carbide-Tipped
Minimum Pilot Diameter (mm) 7.000
Minimum Pilot Diameter (Decimal Inch) 0.2756
Maximum Pilot Diameter (Decimal Inch) 0.3602
Spotface Diameter (Decimal Inch) 0.5551
Spotface Diameter (mm) 14.10
Pilot Length (Decimal Inch) 0.3858
Identification Groove No
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 12
Thread Type Metric Fine
Flute Type Straight
Number of Flutes 3

$176.08

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


Item #: 08781049
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) 1-1/16
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

$137.69

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


Item #: 08792160
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) 2-1/4
Counterbore Diameter (Decimal Inch) 2.2500
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) 1-3/4
Shank Diameter (Decimal Inch) 1.7500
Aircraft-Style No
Shank Length (Inch) 7-3/8
Shank Length (Decimal Inch) 7.3750
Overall Length (Decimal Inch) 9.8750
Overall Length (Inch) 9-7/8
Cutting Direction Forward

$672.99

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 - 23/32" Diam, 1/2" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 08815466
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) 23/32
Pilot Shank Diameter Compatibility (Inch) 1/4
Finish/Coating Bright
Counterbore Material Cobalt
Number of Flutes 3
Shank Type Straight
Shank Diameter (Inch) 1/2
Aircraft-Style No
Shank Length (Inch) 3-7/8
Overall Length (Inch) 5-3/8
Cutting Direction Forward

$122.01

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, 2.31" Spotface Diam, 1-1/4" Tube Outside Diam, Plain Pilot, Carbide Tipped Porting Tool


Item #: 44075760
Brand: Scientific Cutting Tools
Model #: MS33649-20SA

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) 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) 1.5470
Maximum Pilot Diameter (Decimal Inch) 1.6505
Spotface Diameter (Decimal Inch) 2.3100
Pilot Length (Decimal Inch) 0.6170
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating AlTiN+
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 UNJ
Flute Type Straight
Number of Flutes 4

$298.65

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 - 55/64" Diam, 3/4" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 08790552
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) 55/64
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) 3/4
Aircraft-Style No
Shank Length (Inch) 3-7/8
Overall Length (Inch) 5-3/8
Cutting Direction Forward

$120.89

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, 1-1/4" Spotface Diam, 1" Tube Outside Diam, Plain Pilot, Carbide Tipped Porting Tool


Item #: 44064970
Brand: Scientific Cutting Tools
Model #: MS33514-16A

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 AS 33514; MS 33514
Pilot Type Plain
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) 0.8730
Maximum Pilot Diameter (Decimal Inch) 1.0180
Spotface Diameter (Decimal Inch) 1.2500
Pilot Length (Decimal Inch) 0.5000
Identification Groove No
Workpiece Compatibility Tubes
Finish/Coating AlTiN+
Head Length (Decimal Inch) 1.5000
Overall Length (Decimal Inch) 3.5000
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

$303.07

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" Diam, 5/16" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 78803244
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) 3/8
Pilot Shank Diameter Compatibility (Inch) 5/32
Finish/Coating Bright
Counterbore Material Carbide-Tipped
Number of Flutes 3
Shank Type Straight
Shank Diameter (Inch) 5/16
Aircraft-Style No
Overall Length (Inch) 4-1/16
Cutting Direction Forward
Material Application Steel

$190.73

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

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