Email: sales@exacttooling.com
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
Cart 0

Holemaking > Countersinks Chamfer Mills & Back Chamfers (ET04) - (7882 Products)

Holemaking > Countersinks Chamfer Mills & Back Chamfers (ET04)
Keo - 5 Piece, 1/4 to 1" Head Diam, 120° Included Angle, Single End Countersink Set - Exact Tooling

Keo - 5 Piece, 1/4 to 1" Head Diam, 120° Included Angle, Single End Countersink Set


Item #: 44851251
Brand: Keo
Model #: 50052

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 120
Maximum Included Angle 120
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

$ 130.16
Made in USA - 2-1/2" OAL, 1/2" Head Diam, 3 Flute, 100° Incl Angle, Integral Pilot, Adjustable Stop Countersink - Exact Tooling

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


Item #: 04615852
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) 1/2
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 (Inch) 7/32
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

$ 19.80
Vernon - 1-5/16" Cutter Diam, 31/32" Drill Compatibility, 1/2" Collar Thickness, Adjustable Depth Drill Countersink - Exact Tooling

Vernon - 1-5/16" Cutter Diam, 31/32" Drill Compatibility, 1/2" Collar Thickness, Adjustable Depth Drill Countersink


Item #: 01336627
Brand: Vernon
Model #: CH9680

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) 1-5/16
Drill Size Compatibility (Inch) 31/32
Collar Thickness (Inch) 1/2
Included Angle 90
Countersink Material High Speed Steel
Collar Diameter (Inch) 1-7/16
Cutter Head Length (Inch) 2
Countersink Finish/Coating Bright
Countersink Application Chamfering; Countersinking; Deburring
Cutting Direction Right Hand
Centerline Angle 45

$ 70.77
Hertel - 10 Piece, 1/4 to 1-1/2" Head Diam, 90° Included Angle, Countersink Set - Exact Tooling

Hertel - 10 Piece, 1/4 to 1-1/2" Head Diam, 90° Included Angle, Countersink Set


Item #: 89330948
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 90
Maximum Included Angle 90
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 90
PSC Code 5133

$ 355.47
Keo - 4 Piece, 5/16 to 5/8" Head Diam, 100° Included Angle, Single End Countersink Set - Exact Tooling

Keo - 4 Piece, 5/16 to 5/8" Head Diam, 100° Included Angle, Single End Countersink Set


Item #: 45117710
Brand: Keo
Model #: 53538

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) 5/8
Minimum Included Angle 100
Maximum Included Angle 100
Number of Flutes 0
Countersink Material Cobalt
Number of Pieces 4
Countersink Finish/Coating Bright
Set Includes (4) Countersinks
Countersink Application Countersinking
Storage Unit Type Case
Storage Unit Material Plastic
Head Diameter (Inch) 5/16; 3/8; 1/2; 5/8
Minimum Shank Diameter (Inch) 1/4
Maximum Shank Diameter (Inch) 3/8
Included Angle 100
Maximum Overall Length (Inch) 2-1/8
Minimum Overall Length (Inch) 1-5/8
Overall Length (Inch) 1-5/8; 1-3/4; 2-1/8
Minimum Cutting Diameter (Inch) 3/32
Maximum Cutting Diameter (Inch) 37/64
Shank Type Straight
Includes Pilot No
PSC Code 5133
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 50
End Type Single

$ 79.33
Keo - 7 Piece, 1/4 to 1" Head Diam, 82° Included Angle, Single End Countersink Set - Exact Tooling

Keo - 7 Piece, 1/4 to 1" Head Diam, 82° Included Angle, Single End Countersink Set


Item #: 59620823
Brand: Keo
Model #: 55038

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 6
Countersink Material High Speed Steel
Number of Pieces 7
Countersink Finish/Coating Bright
Set Includes (7) Countersinks
Countersink Application Countersinking
Storage Unit Type Case
Storage Unit Material Plastic
Head Diameter (Inch) 1/4; 5/16; 3/8; 1/2; 5/8; 3/4; 1
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

$ 177.40
Vernon - 3/8" Cutter Diam, #6 Drill Combatibility, 1/4" Collar Thickness, Adjustable Depth Drill Countersink - Exact Tooling

Vernon - 3/8" Cutter Diam, #6 Drill Combatibility, 1/4" Collar Thickness, Adjustable Depth Drill Countersink


Item #: 01334069
Brand: Vernon
Model #: CH2040

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) 3/8
Drill Size Compatibility (Wire) #6
Collar Thickness (Inch) 1/4
Included Angle 90
Countersink Material High Speed Steel
Collar Diameter (Inch) 1/2
Cutter Head Length (Inch) 3/4
Countersink Finish/Coating Bright
Countersink Application Chamfering; Countersinking; Deburring
Cutting Direction Right Hand
Centerline Angle 45

$ 29.36
Made in USA - 1/2" Cutter Head Diam, 5/32" Pilot Hole Diam, High Speed Steel Reverse Countersink - Exact Tooling

Made in USA - 1/2" Cutter Head Diam, 5/32" Pilot Hole Diam, High Speed Steel Reverse Countersink


Item #: 09936907
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
Cutter Head Diameter (Inch) 1/2
Pilot Hole Diameter (Inch) 5/32
Included Angle 100
Number of Flutes 3
Countersink Material High Speed Steel
Plain Pilot Compatibility 185-3
Step Pilot Compatibility 186-3
Overall Length (Inch) 1/2
Countersink Finish/Coating Bright
Cutting Direction Right Hand
Countersink Application Countersinking

$ 45.41
Vernon - 5/8" Cutter Diam, 27/64" Drill Compatibility, 5/16" Collar Thickness, Adjustable Depth Drill Countersink - Exact Tooling

Vernon - 5/8" Cutter Diam, 27/64" Drill Compatibility, 5/16" Collar Thickness, Adjustable Depth Drill Countersink


Item #: 01336270
Brand: Vernon
Model #: CH4210

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) 27/64
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

$ 34.94
Made in USA - 7/16" Cutter Head Diam, 5/32" Pilot Hole Diam, Solid Carbide Reverse Countersink - Exact Tooling

Made in USA - 7/16" Cutter Head Diam, 5/32" Pilot Hole Diam, Solid Carbide Reverse Countersink


Item #: 09937640
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) 7/16
Pilot Hole Diameter (Inch) 5/32
Included Angle 100
Number of Flutes 3
Countersink Material Solid Carbide
Plain Pilot Compatibility 185-3
Step Pilot Compatibility 186-3
Overall Length (Inch) 1/2
Countersink Finish/Coating Bright
Cutting Direction Right Hand
Countersink Application Countersinking

$ 457.70
Keo - 5 Piece, 1/4 to 3/4" Head Diam, 100° Included Angle, Single End Countersink Set - Exact Tooling

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


Item #: 44851111
Brand: Keo
Model #: 55823--TIALN

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 6
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

$ 494.50
Interstate - 10 Piece, 3/16 to 1-1/4" Head Diam, 60° Included Angle, Single End Countersink Set - Exact Tooling

Interstate - 10 Piece, 3/16 to 1-1/4" Head Diam, 60° Included Angle, Single End Countersink Set


Item #: 84396993
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) 1-1/4
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 (6) 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; 1-1/4
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

$ 365.03
Hertel - 8 Piece, 1/4 to 1" Head Diam, 82° Included Angle, Countersink Set - Exact Tooling

Hertel - 8 Piece, 1/4 to 1" Head Diam, 82° Included Angle, Countersink Set


Item #: 89329825
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
Minimum Included Angle 82
Maximum Included Angle 82
Number of Flutes 6
Countersink Material High Speed Steel
Number of Pieces 8
Countersink Finish/Coating Bright
Set Includes (8) Countersinks
Countersink Application Countersinking
Storage Unit Type Case
Storage Unit Material Plastic
Head Diameter (Inch) 1/4; 5/16; 3/8; 1/2; 5/8; 3/4; 7/8; 1
Included Angle 82
PSC Code 5133

$ 145.02
Vargus - 4 Piece, 5/16 to 13/16" Head Diam, Single End Countersink Set - Exact Tooling

Vargus - 4 Piece, 5/16 to 13/16" Head Diam, Single End Countersink Set


Item #: 72333420
Brand: Vargus
Model #: 154-00032

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) 5/16
Maximum Head Diameter (Inch) 13/16
Number of Flutes 0
Countersink Material High Speed Steel
Number of Pieces 4
Countersink Finish/Coating Bright
Set Includes (3) Countersinks; (1) Deburring Blade
Countersink Application Chamfering; Deburring
Storage Unit Type Case
Shank Diameter (Inch) 1/4
Storage Unit Material Plastic
Head Diameter (Inch) 5/16; 1/2; 13/16
Minimum Shank Diameter (Inch) 1/4
Maximum Shank Diameter (Inch) 1/4
Minimum Hole Diameter (Inch) 5/64
Maximum Hole Diameter (Inch) 13/16
Shank Type Straight
Includes Pilot No
PSC Code 5133
Countersink Head Only No
Cutting Direction Right Hand
End Type Single

$ 138.31
M.A. Ford - 7 Piece, 1/4 to 1" Head Diam, 60° Included Angle, Single End Countersink Set - Exact Tooling

M.A. Ford - 7 Piece, 1/4 to 1" Head Diam, 60° Included Angle, Single End Countersink Set


Item #: 01055995
Brand: M.A. Ford
Model #: 79000001

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 60
Maximum Included Angle 60
Number of Flutes 6
Countersink Material High Speed Steel
Number of Pieces 7
Countersink Finish/Coating Bright
Set Includes (7) Countersinks
Countersink Application Countersinking
Storage Unit Type Case
Storage Unit Material Plastic
Head Diameter (Inch) 1/4; 5/16; 3/8; 1/2; 5/8; 3/4; 1
Included Angle 60
Shank Type Straight
Includes Pilot No
PSC Code 5133
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 30
Material Application Alloy Steel; Aluminum; Aluminum Alloy; Brass; Cast Iron; High Nickel Steel; High Tensile Steel; Magnesium; Magnesium Alloy; Mild Steel; Monel; Plastics; Stainless Steel
End Type Single

$ 160.80
Melin Tool - 8 Piece, 1/4 to 1" Head Diam, 60° Included Angle, Countersink Set - Exact Tooling

Melin Tool - 8 Piece, 1/4 to 1" Head Diam, 60° Included Angle, Countersink Set


Item #: 57794810
Brand: Melin Tool
Model #: 90029

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) 1
Maximum Head Diameter (Decimal Inch) 1.0000
Minimum Included Angle 60
Maximum Included Angle 60
Number of Flutes 6
Countersink Material Solid Carbide
Number of Pieces 8
Countersink Finish/Coating Uncoated
Set Includes (8) Countersinks
Countersink Application Countersinking
Storage Unit Type Case
Storage Unit Material Plastic
Head Diameter (Decimal Inch) 0.2500; 0.3125; 0.3750; 0.5000; 0.6250; 0.7500; 0.8750; 1.0000
Head Diameter (Inch) 1/4; 5/16; 3/8; 1/2; 5/8; 3/4; 7/8; 1
Included Angle 60
PSC Code 5133

$ 969.83
Keo - 7 Piece, 1/4 to 1" Head Diam, 120° Included Angle, Single End Countersink Set - Exact Tooling

Keo - 7 Piece, 1/4 to 1" Head Diam, 120° Included Angle, Single End Countersink Set


Item #: 44851186
Brand: Keo
Model #: 50042

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 120
Maximum Included Angle 120
Number of Flutes 6
Countersink Material Cobalt
Number of Pieces 7
Countersink Finish/Coating TiAlN
Set Includes (7) 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) 0.5000
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

$ 204.00
Vernon - 1/2" Cutter Diam, Letter K Drill Compatibility, 1/4" Collar Thickness, Adjustable Depth Drill Countersink - Exact Tooling

Vernon - 1/2" Cutter Diam, Letter K Drill Compatibility, 1/4" Collar Thickness, Adjustable Depth Drill Countersink


Item #: 01335116
Brand: Vernon
Model #: CH2790

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) 1/2
Drill Size Compatibility (Letter) K
Collar Thickness (Inch) 1/4
Included Angle 90
Countersink Material High Speed Steel
Collar Diameter (Inch) 5/8
Cutter Head Length (Inch) 1
Countersink Finish/Coating Bright
Countersink Application Chamfering; Countersinking; Deburring
Cutting Direction Right Hand
Centerline Angle 45

$ 31.65
Made in USA - 2-1/2" OAL, 3/8" Head Diam, 3 Flute, 100° Incl Angle, Integral Pilot, Adjustable Stop Countersink - Exact Tooling

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


Item #: 04615522
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) #11
Pilot Diameter (Decimal Inch) 0.1910
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

$ 14.79
Vernon - 3/8" Cutter Diam, #12 Drill Combatibility, 1/4" Collar Thickness, Adjustable Depth Drill Countersink - Exact Tooling

Vernon - 3/8" Cutter Diam, #12 Drill Combatibility, 1/4" Collar Thickness, Adjustable Depth Drill Countersink


Item #: 01334127
Brand: Vernon
Model #: CH1890

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) 3/8
Drill Size Compatibility (Wire) #12
Collar Thickness (Inch) 1/4
Included Angle 90
Countersink Material High Speed Steel
Collar Diameter (Inch) 1/2
Cutter Head Length (Inch) 3/4
Countersink Finish/Coating Bright
Countersink Application Chamfering; Countersinking; Deburring
Cutting Direction Right Hand
Centerline Angle 45

$ 29.36