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

Holemaking Products - Countersinks, Chamfer Mills & Back Chamfers For Sale | All Tool & Supply - (6386 Products)


M.A. Ford - 5 Piece, 1/4 to 1" Head Diam, 90° Included Angle, Single End Countersink Set


Item #: 58225210
Brand: M.A. Ford
Model #: 64100053

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
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 High Speed Steel
Number of Pieces 5
Countersink Finish/Coating Black Oxide
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 (Decimal Inch) 0.2500
Maximum Shank Diameter (Decimal Inch) 0.5000
Maximum Shank Diameter (Inch) 1/2
Included Angle 90
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

$123.05

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Keo - 5 Piece, 1/4 to 3/4" Head Diam, 82° Included Angle, Single End Countersink Set


Item #: 70881594
Brand: Keo
Model #: 55801

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 82
Maximum Included Angle 82
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

$436.06

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Keo - 7 Piece, 1/4 to 1" Head Diam, 100° Included Angle, Single End Countersink Set


Item #: 44851194
Brand: Keo
Model #: 50040

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 100
Maximum Included Angle 100
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

$215.59

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

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


Item #: 44851095
Brand: Keo
Model #: 55739--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 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

$452.78

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

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


Item #: 01335231
Brand: Vernon
Model #: CH3860

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 (Letter) W
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

$59.95

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Vernon - 13/16" Cutter Diam, 29/64" Drill Compatibility, 5/16" Collar Thickness, Adjustable Depth Drill Countersink


Item #: 01336296
Brand: Vernon
Model #: CH4530

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) 29/64
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

$67.00

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Made in USA - 4 Flutes, 3/4" Cutter Head Diam, 3/8" Pilot Hole Diam, High Speed Steel Reverse Countersink


Item #: 09937046
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) 3/4
Pilot Hole Diameter (Inch) 3/8
Included Angle 100
Number of Flutes 4
Countersink Material High Speed Steel
Plain Pilot Compatibility 185-7
Step Pilot Compatibility 186-14
Overall Length (Inch) 7/8
Countersink Finish/Coating Bright
Cutting Direction Right Hand
Countersink Application Countersinking

$59.15

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

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


Item #: 01335074
Brand: Vernon
Model #: CH2610

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) G
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

$52.07

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

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


Item #: 04615787
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 (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

$14.74

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Made in USA - 4 Flutes, 7/8" Cutter Head Diam, 1/4" Pilot Hole Diam, High Speed Steel Reverse Countersink


Item #: 09937053
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) 7/8
Pilot Hole Diameter (Inch) 1/4
Included Angle 100
Number of Flutes 4
Countersink Material High Speed Steel
Plain Pilot Compatibility 185-5
Step Pilot Compatibility 186-12
Overall Length (Inch) 7/8
Countersink Finish/Coating Bright
Cutting Direction Right Hand
Countersink Application Countersinking

$89.58

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Vernon - 5/16" Cutter Diam, #21 Drill Combatibility, 1/4" Collar Thickness, Adjustable Depth Drill Countersink


Item #: 01334218
Brand: Vernon
Model #: CH1590

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) #21
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

$45.30

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Vernon - 5/16" Cutter Diam, 1/8" Drill Compatibility, 1/4" Collar Thickness, Adjustable Depth Drill Countersink


Item #: 01336080
Brand: Vernon
Model #: CH1250

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 (Inch) 1/8
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

$45.30

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

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


Item #: 09937103
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
Pilot Hole Diameter (Inch) 1/2
Included Angle 100
Number of Flutes 4
Countersink Material High Speed Steel
Plain Pilot Compatibility 185-8
Step Pilot Compatibility 186-17
Overall Length (Inch) 7/8
Countersink Finish/Coating Bright
Cutting Direction Right Hand
Countersink Application Countersinking

$101.84

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Made in USA - 1-1/4" Cutter Head Diam, 1/2" Pilot Hole Diam, Carbide-Tipped Reverse Countersink


Item #: 09937889
Brand: Made in USA
Model #:

Features and Benefits

Carbide-tipd cuts faster than high speed steel. It is commonly used on ferrous and non-ferrous metals including cast iron, steel and steel alloy.
Product Specifications
Cutter Head Diameter (Inch) 1-1/4
Pilot Hole Diameter (Inch) 1/2
Included Angle 100
Number of Flutes 3
Countersink Material Carbide-Tipped
Plain Pilot Compatibility 185-8
Step Pilot Compatibility 186-19
Overall Length (Inch) 1-1/8
Countersink Finish/Coating Bright
Cutting Direction Right Hand
Countersink Application Countersinking

$349.79

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

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


Item #: 01335140
Brand: Vernon
Model #: CH3020

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) N
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

$52.07

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

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


Item #: 01335249
Brand: Vernon
Model #: CH3970

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 (Letter) X
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

$59.95

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

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


Item #: 44851046
Brand: Keo
Model #: 55823

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

$436.06

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Irwin - Adjustable-Depth Drill Countersinks Cutter Head Diameter (Inch): 1/4 Drill Size Compatibility (Decimal Inch): 0.1094


Item #: 57823338
Brand: Irwin
Model #: 1882630

Product Specifications

Adjustable-Depth Drill Countersinks; Cutter Head Diameter (Inch): 1/4 ; Drill Size Compatibility (Decimal Inch): 0.1094 ; Drill Size Compatibility (Inch): 7/64 ; Overall Length (Inch): 3-3/8 ; Countersink Application: Countersinking ; Material Application: Wood
Cutter Head Diameter (Inch) 1/4
Drill Size Compatibility (Decimal Inch) 0.1094
Drill Size Compatibility (Inch) 7/64
Overall Length (Inch) 3-3/8
Countersink Application Countersinking
Material Application Wood
Cutter Head Diameter (Decimal Inch) 0.2090
Drill Size Compatibility (mm) 2.78

$13.67

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Made in USA - 7/16" Cutter Head Diam, 3/16" Pilot Hole Diam, Solid Carbide Reverse Countersink


Item #: 09937657
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) 3/16
Included Angle 100
Number of Flutes 3
Countersink Material Solid Carbide
Plain Pilot Compatibility 185-4
Step Pilot Compatibility 186-4
Overall Length (Inch) 1/2
Countersink Finish/Coating Bright
Cutting Direction Right Hand
Countersink Application Countersinking

$166.32

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Made in USA - 1/4" Cutter Head Diam, 3/32" Pilot Hole Diam, Solid Carbide Reverse Countersink


Item #: 09937558
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) 1/4
Pilot Hole Diameter (Inch) 3/32
Included Angle 100
Number of Flutes 3
Countersink Material Solid Carbide
Plain Pilot Compatibility 185-1
Step Pilot Compatibility 186-1
Overall Length (Inch) 1/2
Countersink Finish/Coating Bright
Cutting Direction Right Hand
Countersink Application Countersinking

$214.58

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It