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Made in USA - 3mm Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore


Item #: 01569987
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.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Fastener Type Compatibility Socket-Head Cap Screw
Counterbore Diameter (mm) 6.00
Fastener Size Compatibility (mm) 3.00
Counterbore Material High Speed Steel
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (Inch) 3/8
Shank Diameter (mm) 9.53
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (mm) 3.40
Shank Type Straight
Overall Length (mm) 88.90
Overall Length (Decimal Inch) 3.50
Cutting Direction Forward

$110.90

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Made in USA - 4 Flutes, 1" Diam, 1/2" Pilot Hole Diam, High Speed Steel Reverse Counterbore


Item #: 09937442
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 Hole Diameter (Inch) 1/2
Counterbore Material High Speed Steel
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) 1/32
Aircraft-Style No

$127.78

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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

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) 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

$495.54

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


Item #: 09937434
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 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

$127.78

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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

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) 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

$495.54

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Made in USA - 4 Flutes, 1" Diam, 5/16" Pilot Hole Diam, High Speed Steel Reverse Counterbore


Item #: 09937426
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 Hole Diameter (Inch) 5/16
Counterbore Material High Speed Steel
Standard Pilot Model Number Compatibility 185-6
Oversize Pilot Model Number Compatibility 186-9
Number of Flutes 4
Overall Length (Inch) 5/8
Corner Radius (Inch) 1/32
Aircraft-Style No

$127.78

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Made in USA - 4 Flutes, 1" Diam, 5/16" Pilot Hole Diam, Solid Carbide Reverse Counterbore


Item #: 09938184
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) 1
Pilot Hole Diameter (Inch) 5/16
Counterbore Material Solid Carbide
Standard Pilot Model Number Compatibility 185-6
Oversize Pilot Model Number Compatibility 186-9
Number of Flutes 4
Overall Length (Inch) 5/8
Corner Radius (Inch) 1/64
Aircraft-Style No

$621.43

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Made in USA - 4 Flutes, 1-1/2" Diam, 5/8" Pilot Hole Diam, Carbide-Tipped Reverse Counterbore


Item #: 09938267
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) 1-1/2
Pilot Hole Diameter (Inch) 5/8
Counterbore Material Carbide-Tipped
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) 1/64
Aircraft-Style No

$578.05

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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

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) 1-1/2
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

$259.42

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Made in USA - 4 Flutes, 1-1/4" Diam, 1/2" Pilot Hole Diam, Carbide-Tipped Reverse Counterbore


Item #: 09938242
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) 1-1/4
Pilot Hole Diameter (Inch) 1/2
Counterbore Material Carbide-Tipped
Standard Pilot Model Number Compatibility 185-8
Oversize Pilot Model Number Compatibility 186-17
Number of Flutes 4
Overall Length (Inch) 7/8
Corner Radius (Inch) 1/64
Aircraft-Style No

$454.60

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Made in USA - 4 Flutes, 1-1/4" Diam, 1/2" Pilot Hole Diam, High Speed Steel Reverse Counterbore


Item #: 09937483
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) 1-1/4
Pilot Hole Diameter (Inch) 1/2
Counterbore Material High Speed Steel
Standard Pilot Model Number Compatibility 185-8
Oversize Pilot Model Number Compatibility 186-17
Number of Flutes 4
Overall Length (Inch) 7/8
Corner Radius (Inch) 1/32
Aircraft-Style No

$164.99

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


Item #: 09938234
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) 1-1/4
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

$506.92

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


Item #: 09937475
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) 1-1/4
Pilot Hole Diameter (Inch) 3/8
Counterbore Material High Speed Steel
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) 1/32
Aircraft-Style No

$203.14

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Made in USA - 4 Flutes, 1-1/8" Diam, 1/2" Pilot Hole Diam, Carbide-Tipped Reverse Counterbore


Item #: 09938226
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) 1-1/8
Pilot Hole Diameter (Inch) 1/2
Counterbore Material Carbide-Tipped
Standard Pilot Model Number Compatibility 185-8
Oversize Pilot Model Number Compatibility 186-17
Number of Flutes 4
Overall Length (Inch) 7/8
Corner Radius (Inch) 1/64
Aircraft-Style No

$448.67

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Made in USA - 4 Flutes, 1-1/8" Diam, 1/2" Pilot Hole Diam, High Speed Steel Reverse Counterbore


Item #: 09937467
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) 1-1/8
Pilot Hole Diameter (Inch) 1/2
Counterbore Material High Speed Steel
Standard Pilot Model Number Compatibility 185-8
Oversize Pilot Model Number Compatibility 186-17
Number of Flutes 4
Overall Length (Inch) 7/8
Corner Radius (Inch) 1/32
Aircraft-Style No

$146.88

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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

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) 1-1/8
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

$495.41

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


Item #: 09937459
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) 1-1/8
Pilot Hole Diameter (Inch) 3/8
Counterbore Material High Speed Steel
Standard Pilot Model Number Compatibility 185-7
Oversize Pilot Model Number Compatibility 186-14
Number of Flutes 4
Overall Length (Inch) 7/8
Corner Radius (Inch) 1/32
Aircraft-Style No

$146.88

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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

$728.99

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


Item #: 09937525
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) 1-3/4
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

$280.98

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Made in USA - 4 Flutes, 1-3/8" Diam, 5/8" Pilot Hole Diam, Carbide-Tipped Reverse Counterbore


Item #: 09938259
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 Hole Diameter (Inch) 5/8
Counterbore Material Carbide-Tipped
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) 1/64
Aircraft-Style No

$504.68

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