Holemaking > Counterbores & Porting Tools (ET04) - (2029 Products)
Value Collection - 37/64" Diam, 1/2" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore
Item #: 08790370
Brand: Value Collection
Model #: Features and Benefits
Product Specifications
Counterbore Diameter (Inch)
37/64
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
2% Off All Online Orders
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Union Butterfield - 1/4" Diam, 15/64" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - 3-13/16" OAL, 3/4" Flute Length, Bright Finish, High Speed Steel, Aircraft Style
Item #: 65706541
Brand: Union Butterfield
Model #: 6210107
Exact Tooling IR#: 04Features and Benefits
Product Specifications
Counterbore Diameter (Inch)
1/4
Counterbore Diameter (Decimal Inch)
0.2500
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)
15/64
Shank Diameter (Decimal Inch)
0.2344
Aircraft-Style
Yes
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
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Union Butterfield - 15/16" Diam, 1/2" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - 5-3/8" OAL, 1-1/4" Flute Length, Bright Finish, High Speed Steel, Aircraft Style
Item #: 65706509
Brand: Union Butterfield
Model #: 6210127
Exact Tooling IR#: 04Features and Benefits
Product Specifications
Counterbore Diameter (Inch)
15/16
Counterbore Diameter (Decimal Inch)
0.9375
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
2% Off All Online Orders
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Union Butterfield - 25/32" Diam, 1/2" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - 5-3/8" OAL, 1-1/4" Flute Length, Bright Finish, High Speed Steel, Aircraft Style
Item #: 66387028
Brand: Union Butterfield
Model #: 6210124
Exact Tooling IR#: 04Features and Benefits
Product Specifications
Counterbore Diameter (Inch)
25/32
Counterbore Diameter (Decimal Inch)
0.7813
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
2% Off All Online Orders
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Union Butterfield - 5/8" Diam, 1/2" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - 5-3/8" OAL, 3/4" Flute Length, Bright Finish, High Speed Steel, Aircraft Style
Item #: 66387036
Brand: Union Butterfield
Model #: 6210119
Exact Tooling IR#: 04Features and Benefits
Product Specifications
Counterbore Diameter (Inch)
5/8
Counterbore Diameter (Decimal Inch)
0.6250
Pilot Shank Diameter Compatibility (Inch)
1/8
Pilot Shank Diameter Compatibility (Decimal Inch)
0.1250
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)
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
2% Off All Online Orders
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Union Butterfield - 9/32" Diam, 17/64" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - 3-13/16" OAL, 3/4" Flute Length, Bright Finish, High Speed Steel
Item #: 66386517
Brand: Union Butterfield
Model #: 6210032
Exact Tooling IR#: 04Features and Benefits
Product Specifications
Counterbore Diameter (Inch)
9/32
Counterbore Diameter (Decimal Inch)
0.2813
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)
17/64
Shank Diameter (Decimal Inch)
0.2656
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
2% Off All Online Orders
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Union Butterfield - 15/32" Diam, 7/16" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - 4-5/16" OAL, 1-1/4" Flute Length, Bright Finish, High Speed Steel
Item #: 66386467
Brand: Union Butterfield
Model #: 6210038
Exact Tooling IR#: 04Features and Benefits
Product Specifications
Counterbore Diameter (Inch)
15/32
Counterbore Diameter (Decimal Inch)
0.4688
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)
7/16
Shank Diameter (Decimal Inch)
0.4375
Aircraft-Style
No
Overall Length (Decimal Inch)
4.3125
Overall Length (Inch)
4-5/16
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
2% Off All Online Orders
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Made in USA - 1-3/8" Diam, 1" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore - 6-5/8" OAL, Bright Finish, Carbide-Tipped
Item #: 78801248
Brand: Made in USA
Exact Tooling IR#: 04Features and Benefits
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
Cast Iron; Composites; Non-Ferrous Metals; Non-Metals; Plastics
2% Off All Online Orders
Use Code: 2%OFF
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Union Butterfield - 25/32" Diam, 5/8" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - 5-3/8" OAL, 1-1/2" Flute Length, Bright Finish, High Speed Steel
Item #: 65707895
Brand: Union Butterfield
Model #: 6210048
Exact Tooling IR#: 04Features and Benefits
Product Specifications
Counterbore Diameter (Inch)
25/32
Counterbore Diameter (Decimal Inch)
0.7813
Pilot Shank Diameter Compatibility (Inch)
1/4
Pilot Shank Diameter Compatibility (Decimal Inch)
0.2500
Finish/Coating
Bright
Counterbore Material
High Speed Steel
Number of Flutes
3
Shank Type
Straight
Shank Diameter (Inch)
5/8
Shank Diameter (Decimal Inch)
0.6250
Aircraft-Style
No
Overall Length (Decimal Inch)
5.3750
Overall Length (Inch)
5-3/8
Flute Length (Decimal Inch)
1.50
Flute Length (Inch)
1-1/2
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
2% Off All Online Orders
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Value Collection - 25/32" Diam, 5/8" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - 5-3/8" OAL, 3-7/8" OAL Shank, Bright Finish, High Speed Steel
Item #: 08790503
Brand: Value Collection
Exact Tooling IR#: 04Features and Benefits
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
Straight
Shank Diameter (Inch)
5/8
Aircraft-Style
No
Shank Length (Inch)
3-7/8
Overall Length (Inch)
5-3/8
Cutting Direction
Forward
2% Off All Online Orders
Use Code: 2%OFF
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Union Butterfield - 1/4" Diam, 1/4" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore - 2-3/8" OAL, 1/2" Flute Length, Bright Finish, High Speed Steel, Aircraft Style
Item #: 87827994
Brand: Union Butterfield
Model #: 6210137
Exact Tooling IR#: 04Features and Benefits
Product Specifications
Counterbore Diameter (Inch)
1/4
Counterbore Diameter (Decimal Inch)
0.2500
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
4
Shank Type
Straight
Shank Diameter (Inch)
1/4
Shank Diameter (Decimal Inch)
0.2500
Aircraft-Style
Yes
Overall Length (Decimal Inch)
2.3750
Overall Length (Inch)
2-3/8
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
2% Off All Online Orders
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Made in USA - 9/16" Diam, 1/2" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - 4-5/16" OAL, Bright Finish, Carbide-Tipped
Item #: 78803368
Brand: Made in USA
Exact Tooling IR#: 04Features and Benefits
Product Specifications
Counterbore Diameter (Inch)
9/16
Pilot Shank Diameter Compatibility (Inch)
3/16
Pilot Shank Diameter Compatibility (Decimal Inch)
0.1875
Finish/Coating
Bright
Counterbore Material
Carbide-Tipped
Number of Flutes
3
Shank Type
Straight
Shank Diameter (Inch)
1/2
Aircraft-Style
No
Overall Length (Inch)
4-5/16
Cutting Direction
Forward
Material Application
Steel
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Value Collection - 13/16" Head Diam, 1/2" Shank Diam, Counterbore Pilot - Carbon Steel
Item #: 08909525
Brand: Value Collection
Exact Tooling IR#: 04
Product Specifications
Head Diameter (Inch)
13/16
Shank Diameter (Inch)
1/2
Pilot Material
Carbon Steel
2% Off All Online Orders
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Value Collection - 7/8" Head Diam, 5/16" Shank Diam, Counterbore Pilot - Carbon Steel
Item #: 08906562
Brand: Value Collection
Exact Tooling IR#: 04
Product Specifications
Head Diameter (Inch)
7/8
Shank Diameter (Inch)
5/16
Pilot Material
Carbon Steel
2% Off All Online Orders
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APT - Blade-Type Counterbore Set Screw - 7/8" Compatibility
Item #: 04246963
Brand: APT
Model #: 05554050
Exact Tooling IR#: 04
Product Specifications
Product Type
Set Screw
Fastener Size Compatibility (Inch)
7/8
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APT - 1/2" Fastener Compatible, 3/32" Blade Thickness Compatibility, 17/32" Pilot Hole Diam, 1/2" Shank Diam, Straight Shank, Blade Type Counterbore Holder - 5-3/4" Holder Length, Socket Head Cap Screw Compatible, High Speed Steel Holder
Item #: 08863326
Brand: APT
Model #: BH16
Exact Tooling IR#: 04Features and Benefits
Product Specifications
Fastener Type Compatibility
Socket-Head Cap Screw
Fastener Size Compatibility (Inch)
1/2
Blade Thickness Compatibility (Inch)
3/32
Shank Type
Straight
Pilot Hole Diameter (Inch)
17/32
Shank Diameter (Inch)
1/2
Holder Length (Inch)
5-3/4
Holder Material
High Speed Steel
2% Off All Online Orders
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Made in USA - 1-1/8" Head Diam, 3/8" Shank Diam, Counterbore Pilot - Bright Finish, Carbon Steel
Item #: 78907706
Brand: Made in USA
Exact Tooling IR#: 04
Product Specifications
Head Diameter (Inch)
1-1/8
Shank Diameter (Inch)
3/8
Finish/Coating
Bright
Aircraft-Style
No
Pilot Material
Carbon Steel
2% Off All Online Orders
Use Code: 2%OFF
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Made in USA - 1/2" Head Diam, 7/16" Shank Diam, Counterbore Pilot - Carbon Steel
Item #: 78908324
Brand: Made in USA
Exact Tooling IR#: 04
Product Specifications
Head Diameter (Inch)
1/2
Shank Diameter (Inch)
7/16
Pilot Material
Carbon Steel
2% Off All Online Orders
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APT - 13/32" Cutting Diam, 1/16" Thick Blade, 1/4" Fastener Compatibility, Backward Cutting, Blade Type Counterbore Blade - High Speed Steel, Socket Head Cap Screw Compatible
Item #: 08864712
Brand: APT
Model #: ABZ13
Exact Tooling IR#: 04
Product Specifications
Fastener Type Compatibility
Socket-Head Cap Screw
Fastener Size Compatibility (Inch)
1/4
Cutting Diameter (Inch)
13/32
Cutting Direction
Backward
Blade Thickness (Inch)
1/16
Blade Material
High Speed Steel
2% Off All Online Orders
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Value Collection - 1/4" Head Diam, 3/16" Shank Diam, Counterbore Pilot - Carbon Steel
Item #: 08904161
Brand: Value Collection
Exact Tooling IR#: 04
Product Specifications
Head Diameter (Inch)
1/4
Shank Diameter (Inch)
3/16
Pilot Material
Carbon Steel
2% Off All Online Orders
Use Code: 2%OFF
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