Holemaking > Counterbores & Porting Tools (ET04) - (2177 Products)
Made in USA - 7/16" Diam, 1/4" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore
Item #: 71010284
Brand: Made in USA
Model #: Features and Benefits
Product Specifications
Counterbore Diameter (Inch)
7/16
Pilot Shank Diameter Compatibility (Inch)
1/8
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)
2-13/16
Flute Length (Inch)
5/8
Cutting Direction
Forward
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Union Butterfield - 13/16" Diam, 1/4" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore
Item #: 65706376
Brand: Union Butterfield
Model #: 6210155Features and Benefits
Product Specifications
Counterbore Diameter (Inch)
13/16
Counterbore Diameter (Decimal Inch)
0.8125
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
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
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Made in USA - 1-3/8" Diam, 1/2" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore
Item #: 71011787
Brand: Made in USA
Model #: Features and Benefits
Product Specifications
Counterbore Diameter (Inch)
1-3/8
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
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Made in USA - 3/4" Diam, 3 Flutes, Morse Taper Shank, Interchangeable Pilot Counterbore
Item #: 78810488
Brand: Made in USA
Model #: Features and Benefits
Product Specifications
Counterbore Diameter (Inch)
3/4
Pilot Shank Diameter Compatibility (Inch)
1/4
Pilot Shank Diameter Compatibility (Decimal Inch)
0.2500
Finish/Coating
Bright
Counterbore Material
Carbide-Tipped
Number of Flutes
3
Shank Type
Morse Taper
Aircraft-Style
No
Shank Taper Designation
2MT
Overall Length (Inch)
5-3/8
Cutting Direction
Forward
Material Application
Cast Iron; Composites; Non-Ferrous Metals; Non-Metals; Plastics
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Made in USA - 4 Flutes, 1-1/8" Diam, 3/8" Pilot Hole Diam, Carbide-Tipped Reverse Counterbore
Item #: 09938218
Brand: Made in USA
Model #: Features and Benefits
Product Specifications
Counterbore Diameter (Inch)
1-1/8
Pilot Hole Diameter (Inch)
3/8
Counterbore Material
Carbide-Tipped
Standard Pilot Model Number Compatibility
185-7
Oversize Pilot Model Number Compatibility
186-14
Number of Flutes
4
Overall Length (Inch)
7/8
Corner Radius (Inch)
1/64
Aircraft-Style
No
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Made in USA - 4 Flutes, 1" Diam, 1/2" Pilot Hole Diam, Solid Carbide Reverse Counterbore
Item #: 09938200
Brand: Made in USA
Model #: Features and Benefits
Product Specifications
Counterbore Diameter (Inch)
1
Pilot Hole Diameter (Inch)
1/2
Counterbore Material
Solid Carbide
Standard Pilot Model Number Compatibility
185-8
Oversize Pilot Model Number Compatibility
186-11
Number of Flutes
4
Overall Length (Inch)
5/8
Corner Radius (Inch)
1/64
Aircraft-Style
No
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Scientific Cutting Tools - 7/16-20" Port, 0.41" Spotface Diam, 1/4" Tube Outside Diam, Plain Pilot, Straight Shank, Solid Carbide Porting Tool
Item #: 00274902
Brand: Scientific Cutting Tools
Model #: MS33514-4CTFeatures and Benefits
Product Specifications
Port Standard Designation
AS 33514; MS 33514
Pilot Type
Plain
Port Thread Size (Decimal Inch)
0.4375-20
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
Spotface Diameter (Decimal Inch)
0.4100
Pilot Length (Decimal Inch)
0.4400
ShankType
Straight
Identification Groove
No
Workpiece Compatibility
Tubes
Finish/Coating
Bright
Overall Length (Decimal Inch)
3.0000
Shank Diameter (Inch)
1/2
Shank Diameter (Decimal Inch)
0.5000
Shank Length (Decimal Inch)
1.8750
Shank Length (Inch)
1.88
Seal Angle
12
Spotface to Shoulder Length (Decimal Inch)
0.2340
Thread Type
UNJF
Flute Type
Straight
Number of Flutes
3
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Made in USA - 4 Flutes, 1" Diam, 3/8" Pilot Hole Diam, Solid Carbide Reverse Counterbore
Item #: 09938192
Brand: Made in USA
Model #: Features and Benefits
Product Specifications
Counterbore Diameter (Inch)
1
Pilot Hole Diameter (Inch)
3/8
Counterbore Material
Solid Carbide
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)
1/64
Aircraft-Style
No
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Scientific Cutting Tools - 7/8-14" Port, 1.415" Spotface Diam, 5/8" Tube Outside Diam, Plain Pilot, Carbide Tipped Porting Tool
Item #: 00274092
Brand: Scientific Cutting Tools
Model #: MS33649-10SFeatures and Benefits
Product Specifications
Port Standard Designation
AS 5202; MS 33649
Pilot Type
Plain
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)
0.8090
Maximum Pilot Diameter (Decimal Inch)
0.8985
Spotface Diameter (Decimal Inch)
1.4150
Pilot Length (Decimal Inch)
0.4950
Identification Groove
No
Workpiece Compatibility
Tubes
Finish/Coating
Bright
Head Length (Decimal Inch)
1.5400
Overall Length (Decimal Inch)
3.6600
Shank Diameter (Decimal Inch)
0.7500
Shank Length (Decimal Inch)
2.1200
Seal Angle
30
Thread Type
UNJF
Flute Type
Straight
Number of Flutes
4
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Made in USA - 4 Flutes, 9/16" Diam, 5/32" Pilot Hole Diam, High Speed Steel Reverse Counterbore
Item #: 09937277
Brand: Made in USA
Model #: Features and Benefits
Product Specifications
Counterbore Diameter (Inch)
9/16
Pilot Hole Diameter (Inch)
5/32
Counterbore Material
High Speed Steel
Standard Pilot Model Number Compatibility
185-3
Oversize Pilot Model Number Compatibility
186-6
Number of Flutes
4
Overall Length (Inch)
5/8
Corner Radius (Inch)
1/32
Aircraft-Style
No
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Made in USA - 15/32" Diam, 7/16" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore
Item #: 71011308
Brand: Made in USA
Model #: Features and Benefits
Product Specifications
Counterbore Diameter (Inch)
15/32
Pilot Shank Diameter Compatibility (Inch)
1/8
Finish/Coating
Bright
Counterbore Material
High Speed Steel
Number of Flutes
4
Shank Type
Straight
Shank Diameter (Inch)
7/16
Aircraft-Style
Yes
Overall Length (Inch)
4-1/4
Cutting Direction
Forward
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Value Collection - 1-5/16" Diam, 5 Flutes, Morse Taper Shank, Interchangeable Pilot Counterbore
Item #: 08781205
Brand: Value Collection
Model #: Features and Benefits
Product Specifications
Counterbore Diameter (Inch)
1-5/16
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
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Made in USA - 4 Flutes, 1-1/2" Diam, 5/8" Pilot Hole Diam, High Speed Steel Reverse Counterbore
Item #: 09937509
Brand: Made in USA
Model #: Features and Benefits
Product Specifications
Counterbore Diameter (Inch)
1-1/2
Pilot Hole Diameter (Inch)
5/8
Counterbore Material
High Speed Steel
Standard Pilot Model Number Compatibility
185-9
Oversize Pilot Model Number Compatibility
186-20; 186-21
Number of Flutes
4
Overall Length (Inch)
7/8
Corner Radius (Inch)
1/32
Aircraft-Style
No
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Made in USA - 7/16-20" Port, 0.888" Spotface Diam, 1/4" Tube Outside Diam, Plain Pilot, Straight Shank, Carbide Tipped Porting Tool
Item #: 00389908
Brand: Made in USA
Model #: Features and Benefits
Product Specifications
Port Standard Designation
AND 10050; MS 33649
Pilot Type
Plain
Port Thread Size (Inch)
7/16-20
Tool Material
Carbide-Tipped
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
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Scientific Cutting Tools - 1-1/8 - 18" Port, 1.428" Spotface Diam, 1" Tube Outside Diam, Reamer Pilot, Carbide Tipped Porting Tool
Item #: 82983321
Brand: Scientific Cutting Tools
Model #: RPT-16Features and Benefits
Product Specifications
Pilot Type
Reamer
Port Thread Size (Decimal Inch)
1.1250-18
Port Thread Size (Inch)
1-1/8 - 18
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)
1.0730
Maximum Pilot Diameter (Decimal Inch)
1.1630
Spotface Diameter (Decimal Inch)
1.4280
Pilot Length (Decimal Inch)
0.6695
Identification Groove
No
Workpiece Compatibility
Tubes
Finish/Coating
Bright
Head Length (Decimal Inch)
2.2600
Overall Length (Decimal Inch)
4.2600
Shank Diameter (Decimal Inch)
0.7500
Shank Length (Decimal Inch)
2.0000
Seal Angle
21
Thread Type
UNJEF
Flute Type
Straight
Number of Flutes
4
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Scientific Cutting Tools - 3/4-16" Port, 1.198" Spotface Diam, 1/2" Tube Outside Diam, Plain Pilot, Carbide Tipped Porting Tool
Item #: 00274670
Brand: Scientific Cutting Tools
Model #: MS16142-8SFeatures and Benefits
Product Specifications
Port Standard Designation
MS 16142; SAE J1926; SAE J514
Pilot Type
Plain
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)
0.6850
Maximum Pilot Diameter (Decimal Inch)
0.8135
Spotface Diameter (Decimal Inch)
1.1980
Pilot Length (Decimal Inch)
0.4520
Identification Groove
No
Workpiece Compatibility
Tubes
Finish/Coating
Bright
Head Length (Decimal Inch)
1.4500
Overall Length (Decimal Inch)
3.5700
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
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Value Collection - 9/16" Diam, 3 Flutes, Morse Taper Shank, Interchangeable Pilot Counterbore
Item #: 08780363
Brand: Value Collection
Model #: Features and Benefits
Product Specifications
Counterbore Diameter (Inch)
9/16
Pilot Shank Diameter Compatibility (Inch)
3/16
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)
4-5/16
Cutting Direction
Forward
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Scientific Cutting Tools - M12x1.5mm Port, 3/4" Spotface Diam, Reamer Pilot, Carbide Tipped Porting Tool
Item #: 06606784
Brand: Scientific Cutting Tools
Model #: 6149-M12X1.5Features and Benefits
Product Specifications
Port Standard Designation
ISO 6149-1; SAE J2244-1
Pilot Type
Reamer
Port Thread Size (mm)
M12x1.5
Tool Material
Carbide-Tipped
Minimum Pilot Diameter (mm)
10.500
Minimum Pilot Diameter (Decimal Inch)
0.4134
Maximum Pilot Diameter (Decimal Inch)
0.5453
Spotface Diameter (Decimal Inch)
0.7520
Spotface Diameter (mm)
19.10
Pilot Length (Decimal Inch)
0.4528
Identification Groove
No
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
15
Thread Type
Metric Fine
Flute Type
Straight
Number of Flutes
3
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Made in USA - 1/4" Diam, 15/64" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore
Item #: 78803160
Brand: Made in USA
Model #: Features and Benefits
Product Specifications
Counterbore Diameter (Inch)
1/4
Pilot Shank Diameter Compatibility (Inch)
3/32
Finish/Coating
Bright
Counterbore Material
Carbide-Tipped
Number of Flutes
3
Shank Type
Straight
Shank Diameter (Inch)
15/64
Aircraft-Style
No
Overall Length (Inch)
3-13/16
Cutting Direction
Forward
Material Application
Steel
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Scientific Cutting Tools - 1-1/16 - 24" Port, 1.016" Spotface Diam, 5/8" Tube Outside Diam, Reamer Pilot, Carbide Tipped Porting Tool
Item #: 44064459
Brand: Scientific Cutting Tools
Model #: RPT-10AFeatures and Benefits
Product Specifications
Pilot Type
Reamer
Port Thread Size (Decimal Inch)
0.6870-24
Port Thread Size (Inch)
1-1/16 - 24
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)
0.6500
Maximum Pilot Diameter (Decimal Inch)
0.7260
Spotface Diameter (Decimal Inch)
1.0160
Pilot Length (Decimal Inch)
0.4965
Identification Groove
No
Workpiece Compatibility
Tubes
Finish/Coating
AlTiN+
Head Length (Decimal Inch)
1.8100
Overall Length (Decimal Inch)
3.8100
Shank Diameter (Decimal Inch)
0.5000
Shank Length (Decimal Inch)
2.0000
Seal Angle
21
Thread Type
UNJEF
Flute Type
Straight
Number of Flutes
4
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