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Holemaking > Countersinks Chamfer Mills & Back Chamfers (ET04) - (7713 Products)


Holemaking > Countersinks Chamfer Mills & Back Chamfers (ET04)

Made in USA - 2-1/2" OAL, 3/8" Head Diam, 3 Flute, 100° Incl Angle, Integral Pilot, Adjustable Stop Countersink


Item #: 04615480
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.
Straight shanks are used for general purpose applications. The shank is smaller than the drill bit diameter. They are used with portable drills and drill presses on ferrous and non-ferrous materials.
Product Specifications
Head Diameter (Inch) 3/8
Included Angle 100
Countersink Material High Speed Steel
Shank Thread Size 1/4-28
Overall Length (Inch) 2-1/2
Pilot Type Integral
Pilot Diameter (Wire) #21
Pilot Diameter (Decimal Inch) 0.1590
Number of Flutes 3
Countersink Finish/Coating Bright
Attachment Method Threaded Shank
Shank Length (Inch) 1-3/4
Shank Diameter (Inch) 3/16
Shank Type Straight
Countersink Application Countersinking
Cutting Direction Right Hand
Centerline Angle 50

$11.07

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Vernon - 5/16" Cutter Diam, #27 Drill Combatibility, 1/4" Collar Thickness, Adjustable Depth Drill Countersink


Item #: 01334275
Brand: Vernon
Model #: CH1440

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
Cutter Head Diameter (Inch) 5/16
Drill Size Compatibility (Wire) #27
Collar Thickness (Inch) 1/4
Included Angle 90
Countersink Material High Speed Steel
Collar Diameter (Inch) 7/16
Cutter Head Length (Inch) 5/8
Countersink Finish/Coating Bright
Countersink Application Chamfering; Countersinking; Deburring
Cutting Direction Right Hand
Centerline Angle 45

$47.03

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Made in USA - 11/16" Cutter Head Diam, 1/4" Pilot Hole Diam, Solid Carbide Reverse Countersink


Item #: 09937764
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, plastic and other tough-to-machine materials.
Product Specifications
Cutter Head Diameter (Inch) 11/16
Pilot Hole Diameter (Inch) 1/4
Included Angle 100
Number of Flutes 3
Countersink Material Solid Carbide
Plain Pilot Compatibility 185-5
Step Pilot Compatibility 186-8
Overall Length (Inch) 5/8
Countersink Finish/Coating Bright
Cutting Direction Right Hand
Countersink Application Countersinking

$209.93

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Interstate - 5 Piece, 1/4 to 1" Head Diam, 82° Included Angle, Single End Countersink Set


Item #: 02451011
Brand: Interstate
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.
Straight shanks are used for general purpose applications. The shank is smaller than the drill bit diameter. They are used with portable drills and drill presses on ferrous and non-ferrous materials.
Product Specifications
Minimum Head Diameter (Inch) 1/4
Maximum Head Diameter (Inch) 1
Minimum Included Angle 82
Maximum Included Angle 82
Number of Flutes 1
Countersink Material High Speed Steel
Number of Pieces 5
Countersink Finish/Coating Bright
Set Includes (5) Countersinks
Countersink Application Countersinking
Storage Unit Type Block
Shank Diameter (mm) 6.35; 12.70
Shank Diameter (Decimal Inch) 0.2500; 0.5000
Shank Diameter (Inch) 1/2; 1/4
Storage Unit Material Wood
Head Diameter (Inch) 1/4; 3/8; 1/2; 3/4; 1
Minimum Shank Diameter (Inch) 1/4
Maximum Shank Diameter (Inch) 1/2
Included Angle 82
Shank Type Straight
Includes Pilot No
PSC Code 5133
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 41
End Type Single

$90.60

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M.A. Ford - 10 Piece, 1/8 to 1-1/2" Head Diam, 90° Included Angle, Countersink Set


Item #: 56449796
Brand: M.A. Ford
Model #: MAM30090H

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
Minimum Head Diameter (Inch) 1/8
Maximum Head Diameter (Inch) 1-1/2
Minimum Included Angle 90
Maximum Included Angle 90
Number of Flutes 6
Countersink Material High Speed Steel
Number of Pieces 10
Countersink Finish/Coating Bright
Storage Unit Type Block
Storage Unit Material Wood
Head Diameter (Inch) 1/8; 3/16; 1/4; 3/8; 1/2; 5/8; 3/4; 1; 1-1/4; 1-1/2
Included Angle 90
PSC Code 5133
Cutting Direction Right Hand

$357.56

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Interstate - 8 Piece, 1/4 to 1" Head Diam, 60° Included Angle, Single End Countersink Set


Item #: 63327936
Brand: Interstate
Model #:

Features and Benefits

Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Straight shanks are used for general purpose applications. The shank is smaller than the drill bit diameter. They are used with portable drills and drill presses on ferrous and non-ferrous materials.
Product Specifications
Minimum Head Diameter (Inch) 1/4
Maximum Head Diameter (Inch) 1
Minimum Included Angle 60
Maximum Included Angle 60
Number of Flutes 6
Countersink Material Cobalt
Number of Pieces 8
Countersink Finish/Coating Bright
Set Includes (8) Countersinks
Countersink Application Countersinking
Storage Unit Type Block
Shank Diameter (mm) 6.35; 12.70
Shank Diameter (Decimal Inch) 0.2500; 0.5000
Shank Diameter (Inch) 1/4; 1/2
Storage Unit Material Wood
Head Diameter (Inch) 1/4; 5/16; 3/8; 1/2; 5/8; 3/4; 7/8; 1
Included Angle 60
Shank Type Straight
Includes Pilot No
PSC Code 5133
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 30
End Type Single

$270.32

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Keo - 5 Piece, 5/16 to 1" Head Diam, 100° Included Angle, Single End Countersink Set


Item #: 45117728
Brand: Keo
Model #: 53539

Features and Benefits

Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Straight shanks are used for general purpose applications. The shank is smaller than the drill bit diameter. They are used with portable drills and drill presses on ferrous and non-ferrous materials.
Product Specifications
Minimum Head Diameter (Inch) 5/16
Maximum Head Diameter (Inch) 1
Minimum Included Angle 100
Maximum Included Angle 100
Number of Flutes 0
Countersink Material Cobalt
Number of Pieces 5
Countersink Finish/Coating Bright
Set Includes (5) Countersinks
Countersink Application Countersinking
Storage Unit Type Case
Storage Unit Material Plastic
Head Diameter (Inch) 5/16; 3/8; 1/2; 3/4; 1
Minimum Shank Diameter (Inch) 1/4
Maximum Shank Diameter (Inch) 3/8
Included Angle 100
Maximum Overall Length (Inch) 2-5/8
Minimum Overall Length (Inch) 1-5/8
Overall Length (Inch) 1-5/8; 1-3/4; 2-3/8; 2-5/8
Minimum Cutting Diameter (Inch) 3/32
Maximum Cutting Diameter (Inch) 59/64
Shank Type Straight
Includes Pilot No
PSC Code 5133
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 50
End Type Single

$142.77

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Made in USA - 5/16" Cutter Head Diam, 1/8" Pilot Hole Diam, Solid Carbide Reverse Countersink


Item #: 09937582
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, plastic and other tough-to-machine materials.
Product Specifications
Cutter Head Diameter (Inch) 5/16
Pilot Hole Diameter (Inch) 1/8
Included Angle 100
Number of Flutes 3
Countersink Material Solid Carbide
Plain Pilot Compatibility 185-2
Step Pilot Compatibility 186-2
Overall Length (Inch) 1/2
Countersink Finish/Coating Bright
Cutting Direction Right Hand
Countersink Application Countersinking

$176.53

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Interstate - 5 Piece, 1/16 to 9/16" Head Diam, 100° Included Angle, Single End Countersink Set


Item #: 02466506
Brand: Interstate
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.
Straight shanks are used for general purpose applications. The shank is smaller than the drill bit diameter. They are used with portable drills and drill presses on ferrous and non-ferrous materials.
Product Specifications
Minimum Head Diameter (Inch) 1/16
Maximum Head Diameter (Inch) 9/16
Minimum Included Angle 100
Maximum Included Angle 100
Number of Flutes 0
Countersink Material High Speed Steel
Number of Pieces 5
Countersink Finish/Coating Bright
Set Includes (5) Countersinks
Countersink Application Countersinking; Deburring
Storage Unit Type Block
Storage Unit Material Plastic
Head Diameter (Inch) 1/16; 5/32; 3/16; 5/16; 9/16
Shank Type Straight
Includes Pilot No
PSC Code 5133
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 50
End Type Single

$132.85

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Vernon - 13/16" Cutter Diam, 35/64" Drill Compatibility, 5/16" Collar Thickness, Adjustable Depth Drill Countersink


Item #: 01336353
Brand: Vernon
Model #: CH5460

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
Cutter Head Diameter (Inch) 13/16
Drill Size Compatibility (Inch) 35/64
Collar Thickness (Inch) 5/16
Included Angle 90
Countersink Material High Speed Steel
Collar Diameter (Inch) 15/16
Cutter Head Length (Inch) 1-1/2
Countersink Finish/Coating Bright
Countersink Application Chamfering; Countersinking; Deburring
Cutting Direction Right Hand
Centerline Angle 45

$69.55

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Hertel - 10 Piece, 1/4 to 1-1/2" Head Diam, 60° Included Angle, Countersink Set


Item #: 89331110
Brand: Hertel
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
Minimum Head Diameter (Inch) 1/4
Maximum Head Diameter (Inch) 1-1/2
Minimum Included Angle 60
Maximum Included Angle 60
Number of Flutes 6
Countersink Material High Speed Steel
Number of Pieces 10
Countersink Finish/Coating Bright
Set Includes (10) Countersinks
Countersink Application Countersinking
Storage Unit Type Case
Storage Unit Material Wood
Head Diameter (Inch) 1/4; 5/16; 3/8; 1/2; 5/8; 3/4; 7/8; 1; 1-1/4; 1-1/2
Included Angle 60
PSC Code 5133

$323.39

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Vernon - 5/8" Cutter Diam, 3/8" Drill Compatibility, 5/16" Collar Thickness, Adjustable Depth Drill Countersink


Item #: 01336247
Brand: Vernon
Model #: CH3750

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
Cutter Head Diameter (Inch) 5/8
Drill Size Compatibility (Inch) 3/8
Collar Thickness (Inch) 5/16
Included Angle 90
Countersink Material High Speed Steel
Collar Diameter (Inch) 3/4
Cutter Head Length (Inch) 1-1/4
Countersink Finish/Coating Bright
Countersink Application Chamfering; Countersinking; Deburring
Cutting Direction Right Hand
Centerline Angle 45

$57.88

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Keo - 5 Piece, 1/4 to 3/4" Head Diam, 100° Included Angle, Single End Countersink Set


Item #: 44851145
Brand: Keo
Model #: 55739

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, plastic and other tough-to-machine materials.
Product Specifications
Minimum Head Diameter (Inch) 1/4
Minimum Head Diameter (Decimal Inch) 0.2500
Maximum Head Diameter (Inch) 3/4
Maximum Head Diameter (Decimal Inch) 0.7500
Minimum Included Angle 100
Maximum Included Angle 100
Number of Flutes 1
Countersink Material Solid Carbide
Number of Pieces 5
Countersink Finish/Coating TiAlN
Set Includes (5) Countersinks
Countersink Application Chamfering; Countersinking; Deburring
Storage Unit Type Case
Storage Unit Material Plastic
Minimum Shank Diameter (Inch) 1/4
Minimum Shank Diameter (mm) 6.35
Minimum Shank Diameter (Decimal Inch) 0.2500
Maximum Shank Diameter (Decimal Inch) 0.3750
Maximum Shank Diameter (Inch) 3/8
Maximum Overall Length (Decimal Inch) 2.75
Maximum Overall Length (Inch) 2-3/4
Minimum Overall Length (Inch) 2
Minimum Overall Length (Decimal Inch) 2.00
PSC Code 5133
End Type Single

$403.32

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Made in USA - 3/16" Head Diam, 1/4" Shank Diam, 6" Overall Length, Counterbore Pilot


Item #: 00428243
Brand: Made in USA
Model #:

Product Specifications
Head Diameter (Inch) 3/16
Shank Diameter (Inch) 1/4
Overall Length (Inch) 6
Pilot Material High Speed Steel
Finish/Coating Bright
Aircraft-Style No
PSC Code 5133

$51.53

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M.A. Ford - 0.098" Head Diam, 0.086" Shank Diam, Countersink Pilot


Item #: 97434583
Brand: M.A. Ford
Model #: 85009800

Product Specifications
Head Diameter (Wire) #40
Head Diameter (Decimal Inch) 0.0980
Shank Diameter (Decimal Inch) 0.0860
Pilot Material High Speed Steel
PSC Code 5133

$6.30

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Made in USA - 1/2" Head Diam, 1/2" Shank Diam, 6" Overall Length, Counterbore Pilot


Item #: 00428185
Brand: Made in USA
Model #:

Product Specifications
Head Diameter (Inch) 1/2
Shank Diameter (Inch) 1/2
Overall Length (Inch) 6
Pilot Material High Speed Steel
Finish/Coating Bright
Aircraft-Style No
PSC Code 5133

$82.26

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Keo - 5 Piece, 1/4 to 1" Head Diam, 90° Included Angle, Single End Countersink Set


Item #: 44851277
Brand: Keo
Model #: 50059

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
Minimum Head Diameter (Inch) 1/4
Minimum Head Diameter (Decimal Inch) 0.2500
Maximum Head Diameter (Inch) 1
Maximum Head Diameter (Decimal Inch) 1.0000
Minimum Included Angle 90
Maximum Included Angle 90
Number of Flutes 1
Countersink Material Cobalt
Number of Pieces 5
Countersink Finish/Coating TiAlN
Set Includes (5) Countersinks
Countersink Application Chamfering; Countersinking; Deburring
Storage Unit Type Block
Storage Unit Material Wood
Minimum Shank Diameter (Inch) 1/4
Minimum Shank Diameter (mm) 6.35
Minimum Shank Diameter (Decimal Inch) 0.2500
Maximum Shank Diameter (Decimal Inch) 0.5000
Maximum Shank Diameter (Inch) 1/2
Maximum Overall Length (Decimal Inch) 2.75
Maximum Overall Length (Inch) 2-3/4
Minimum Overall Length (Inch) 1-1/2
Minimum Overall Length (Decimal Inch) 1.50
PSC Code 5133
End Type Single

$137.55

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Vernon - 13/16" Cutter Diam, 9/16" Drill Compatibility, 5/16" Collar Thickness, Adjustable Depth Drill Countersink


Item #: 01336361
Brand: Vernon
Model #: CH5620

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
Cutter Head Diameter (Inch) 13/16
Drill Size Compatibility (Inch) 9/16
Collar Thickness (Inch) 5/16
Included Angle 90
Countersink Material High Speed Steel
Collar Diameter (Inch) 15/16
Cutter Head Length (Inch) 1-1/2
Countersink Finish/Coating Bright
Countersink Application Chamfering; Countersinking; Deburring
Cutting Direction Right Hand
Centerline Angle 45

$67.00

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Magafor - Countersink Sets Minimum Head Diameter (mm): 10.40 Maximum Head Diameter (mm): 31.00


Item #: 12666467
Brand: Magafor
Model #: 84433000000

Features and Benefits

Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Straight shanks are used for general purpose applications. The shank is smaller than the drill bit diameter. They are used with portable drills and drill presses on ferrous and non-ferrous materials.

Product Specifications

Countersink Sets; Minimum Head Diameter (mm): 10.40 ; Maximum Head Diameter (mm): 31.00 ; Minimum Included Angle: 120 ; Maximum Included Angle: 120 ; Number of Flutes: 3 ; Countersink Material: Cobalt
Minimum Head Diameter (mm) 10.40
Maximum Head Diameter (mm) 31.00
Minimum Included Angle 120
Maximum Included Angle 120
Number of Flutes 3
Countersink Material Cobalt
Number of Pieces 5
Countersink Finish/Coating Bright
Set Includes 10.4 mm Head Diameter; 16.5 mm Head Diameter; 20.5 mm Head Diameter; 25 mm Head Diameter; 31 mm Head Diameter
Countersink Application Countersinking
Storage Unit Type Case
Shank Diameter (mm) 6.00; 10.00; 12.00
Minimum Shank Diameter (mm) 6.00
Included Angle 120
Shank Type Straight
Minimum Overall Length (mm) 48.00
Maximum Overall Length (mm) 65.00
Overall Length (mm) 48.00; 57.00; 59.00; 62.00; 65.00
Maximum Shank Diameter (mm) 12.00
PSC Code 5133
Countersink Head Only No
Cutting Direction Right Hand
Material Application Alloy Steel; Aluminum; Brass; Bronze; Carbon Steel; Cast Iron; Copper
End Type Single

$261.28

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Interstate - 9 Piece, 3/16 to 1" Head Diam, 100° Included Angle, Single End Countersink Set


Item #: 02453025
Brand: Interstate
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.
Straight shanks are used for general purpose applications. The shank is smaller than the drill bit diameter. They are used with portable drills and drill presses on ferrous and non-ferrous materials.
Product Specifications
Minimum Head Diameter (Inch) 3/16
Maximum Head Diameter (Inch) 1
Minimum Included Angle 100
Maximum Included Angle 100
Number of Flutes 1
Countersink Material High Speed Steel
Number of Pieces 9
Countersink Finish/Coating Bright
Set Includes (9) Countersinks
Countersink Application Countersinking
Storage Unit Type Block
Storage Unit Material Wood
Head Diameter (Inch) 3/16; 1/4; 5/16; 3/8; 1/2; 5/8; 3/4; 7/8; 1
Included Angle 100
Shank Type Straight
Includes Pilot No
PSC Code 5133
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 50
End Type Single

$158.31

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