Email: sales@usatoolandsupply.com | Phone: (888) 988-8820
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) - (7714 Products)

Holemaking > Countersinks Chamfer Mills & Back Chamfers (ET04)
Hertel - 1/4" Head Diam, 1/4" Shank Diam, 6 Flute 100° Solid Carbide Countersink - USA Tool & Supply

Hertel - 1/4" Head Diam, 1/4" Shank Diam, 6 Flute 100° Solid Carbide Countersink


Item #: 89333082
Brand: Hertel
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
Head Diameter (Inch) 1/4
Number of Flutes 6
Included Angle 100
Countersink Material Solid Carbide
Shank Diameter (Inch) 1/4
Overall Length (Inch) 1-1/2
Shank Type Straight
PSC Code 5133

$26.99

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

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

Hertel - 1-3/4" Head Diam, 1" Shank Diam, 6 Flute 82° High Speed Steel Countersink - USA Tool & Supply

Hertel - 1-3/4" Head Diam, 1" Shank Diam, 6 Flute 82° High Speed Steel Countersink


Item #: 89331201
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
Head Diameter (Inch) 1-3/4
Number of Flutes 6
Included Angle 82
Countersink Material High Speed Steel
Shank Diameter (Inch) 1
Shank Length (Inch) 2-1/8
Overall Length (Inch) 4-1/4
Shank Type Straight
PSC Code 5133

$161.31

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

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

Hertel - 5/8" Head Diam, 5/8" Shank Diam, 4 Flute 120° High Speed Steel Countersink - USA Tool & Supply

Hertel - 5/8" Head Diam, 5/8" Shank Diam, 4 Flute 120° High Speed Steel Countersink


Item #: 89335590
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
Head Diameter (Inch) 5/8
Number of Flutes 4
Included Angle 120
Countersink Material High Speed Steel
Shank Diameter (Inch) 5/8
Overall Length (Inch) 3-1/4
Shank Type Straight
PSC Code 5133

$53.22

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

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

Melin Tool - 5/16" Head Diam, 5/16" Shank Diam, 4 Flute 60° Solid Carbide Countersink - USA Tool & Supply

Melin Tool - 5/16" Head Diam, 5/16" Shank Diam, 4 Flute 60° Solid Carbide Countersink


Item #: 57809105
Brand: Melin Tool
Model #: 19022

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.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Head Diameter (Inch) 5/16
Head Diameter (Decimal Inch) 0.3125
Number of Flutes 4
Included Angle 60
Countersink Material Solid Carbide
Countersink Finish/Coating Bright
Shank Diameter (Decimal Inch) 0.3125
Shank Diameter (Inch) 5/16
Maximum Cutting Diameter (Inch) 5/16
Overall Length (Inch) 2-1/2
Overall Length (Decimal Inch) 2.5000
Countersink Application Countersinking
End Type Double
Shank Type Straight
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
PSC Code 5133
Material Application Cast Iron; Hardened Steel; Nickel Alloy; Non-Ferrous Metals; Stainless Steel; Steel

$97.77

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

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

Union Butterfield - 3/8" Head Diam, 1/4" Shank Diam, 3 Flute 90° High Speed Steel Countersink - USA Tool & Supply

Union Butterfield - 3/8" Head Diam, 1/4" Shank Diam, 3 Flute 90° High Speed Steel Countersink


Item #: 65708109
Brand: Union Butterfield
Model #: 5011104

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
Head Diameter (Inch) 3/8
Head Diameter (Decimal Inch) 0.3750
Number of Flutes 3
Included Angle 90
Countersink Material High Speed Steel
Countersink Finish/Coating Bright
Shank Diameter (Decimal Inch) 0.2500
Shank Diameter (Inch) 1/4
Overall Length (Inch) 1-3/4
Overall Length (Decimal Inch) 1.7500
Countersink Application Center Reaming; Countersinking
End Type Single
Shank Type Straight
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
PSC Code 5133

$32.54

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

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

M.A. Ford - 3/16" Head Diam, 3/16" Shank Diam, 6 Flute 82° High Speed Steel Countersink - USA Tool & Supply

M.A. Ford - 3/16" Head Diam, 3/16" Shank Diam, 6 Flute 82° High Speed Steel Countersink


Item #: 92248087
Brand: M.A. Ford
Model #: 79T018702

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.
Titanium Nitride (TiN) is a multi-purpose coating which increases chip flow in softer materials. The heat and hardness resistance allows the tool to run at higher speeds than uncoated tools.
Product Specifications
Head Diameter (Inch) 3/16
Head Diameter (Decimal Inch) 0.1870
Number of Flutes 6
Included Angle 82
Countersink Material High Speed Steel
Countersink Finish/Coating TiN
Minimum Cutting Diameter (Inch) 0.0400
Shank Diameter (Decimal Inch) 0.1870
Shank Diameter (Inch) 3/16
Maximum Cutting Diameter (Inch) 0.1870
Overall Length (Inch) 1-1/2
Overall Length (Decimal Inch) 1.5000
Countersink Application Countersinking
PSC Code 5133

$14.00

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

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

DORMER - 6mm Shank Diam, 3 Flute 60° High Speed Steel Countersink - USA Tool & Supply

DORMER - 6mm Shank Diam, 3 Flute 60° High Speed Steel Countersink


Item #: 65671026
Brand: DORMER
Model #: 0149553

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.
Titanium Nitride (TiN) is a multi-purpose coating which increases chip flow in softer materials. The heat and hardness resistance allows the tool to run at higher speeds than uncoated tools.
Product Specifications
Number of Flutes 3
Included Angle 60
Countersink Material High Speed Steel
Countersink Finish/Coating TiN
Minimum Cutting Diameter (mm) 2.00
Shank Diameter (mm) 6.00
Shank Diameter (Decimal Inch) 0.2364
Maximum Cutting Diameter (Inch) 5/16
Overall Length (mm) 50
Overall Length (Decimal Inch) 1.9700
Countersink Application Countersinking
End Type Single
Shank Type Straight
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
PSC Code 5133
Material Application Alloy Steel; Aluminum; Aluminum Alloy; Brass; Bronze; Carbon Steel; Cast Iron; Copper; Copper Alloy; Hardened Steel; Magnesium; Nickel; Nickel Alloy; Steel; Structural Steel; Thermoplastics; Thermosetting Plastics; Titanium; Titanium Alloy

$55.54

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

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

Hertel - 1/8" Head Diam, 1/8" Shank Diam, 1 Flute 82° High Speed Steel Countersink - USA Tool & Supply

Hertel - 1/8" Head Diam, 1/8" Shank Diam, 1 Flute 82° High Speed Steel Countersink


Item #: 89339634
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
Head Diameter (Inch) 1/8
Number of Flutes 1
Included Angle 82
Countersink Material High Speed Steel
Shank Diameter (Inch) 1/8
Overall Length (Inch) 1-1/2
Shank Type Straight
PSC Code 5133

$19.47

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

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

Mapal - Countersinks Head Diameter (mm): 15.00 Number of Flutes: 3 - USA Tool & Supply

Mapal - Countersinks Head Diameter (mm): 15.00 Number of Flutes: 3


Item #: 13361225
Brand: Mapal
Model #: 30662999

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

Countersinks; Head Diameter (mm): 15.00 ; Number of Flutes: 3 ; Included Angle: 90 ; Countersink Material: High Speed Steel ; Countersink Finish/Coating: TiZrN ; Minimum Cutting Diameter (mm): 3.20
Head Diameter (mm) 15.00
Number of Flutes 3
Included Angle 90
Countersink Material High Speed Steel
Countersink Finish/Coating TiZrN
Minimum Cutting Diameter (mm) 3.20
Shank Diameter (mm) 10.00
Overall Length (mm) 60
End Type Single
Shank Type Straight
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand

$54.51

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 - 3/8" Head Diam, 1/4" Shank Diam, 6 Flute 90° Solid Carbide Countersink - USA Tool & Supply

Made in USA - 3/8" Head Diam, 1/4" Shank Diam, 6 Flute 90° Solid Carbide Countersink


Item #: 60329240
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.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Head Diameter (Inch) 3/8
Number of Flutes 6
Included Angle 90
Countersink Material Solid Carbide
Countersink Finish/Coating Bright
Shank Diameter (Inch) 1/4
Overall Length (Inch) 2-1/2
Tip/Nose Diameter (Decimal Inch) 0.0780
Countersink Application Countersinking
End Type Single
Shank Type Straight
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 45
PSC Code 5133

$70.47

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

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

Melin Tool - 1" Head Diam, 1/2" Shank Diam, 4 Flute 60° Solid Carbide Countersink - USA Tool & Supply

Melin Tool - 1" Head Diam, 1/2" Shank Diam, 4 Flute 60° Solid Carbide Countersink


Item #: 57791519
Brand: Melin Tool
Model #: 18986

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.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Head Diameter (Inch) 1
Head Diameter (Decimal Inch) 1.0000
Number of Flutes 4
Included Angle 60
Countersink Material Solid Carbide
Countersink Finish/Coating Bright
Shank Diameter (Decimal Inch) 0.5000
Shank Diameter (Inch) 1/2
Maximum Cutting Diameter (Inch) 1
Overall Length (Inch) 3
Overall Length (Decimal Inch) 3.0000
Countersink Application Countersinking
End Type Single
Shank Type Straight
Shank Material Hardened Steel
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
PSC Code 5133
Material Application Cast Iron; Hardened Steel; Nickel Alloy; Non-Ferrous Metals; Stainless Steel; Steel

$222.46

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

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

Melin Tool - 5/16" Head Diam, 5/16" Shank Diam, 1 Flute 60° High Speed Steel Countersink - USA Tool & Supply

Melin Tool - 5/16" Head Diam, 5/16" Shank Diam, 1 Flute 60° High Speed Steel Countersink


Item #: 57818759
Brand: Melin Tool
Model #: 18263

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.
Oxide coating prevents chip building, galling and welding on the workpiece. It is commonly used on low carbon metals, stainless steel and ferrous metals.
Product Specifications
Head Diameter (Inch) 5/16
Head Diameter (Decimal Inch) 0.3125
Number of Flutes 1
Included Angle 60
Countersink Material High Speed Steel
Countersink Finish/Coating Oxide
Shank Diameter (Decimal Inch) 0.3125
Shank Diameter (Inch) 5/16
Maximum Cutting Diameter (Inch) 5/16
Overall Length (Inch) 2-1/2
Overall Length (Decimal Inch) 2.5000
Countersink Application Countersinking
End Type Double
Shank Type Straight
Shank Material High Speed Steel
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
PSC Code 5133
Material Application Cast Iron; Nickel Alloy; Non-Ferrous Metals; Stainless Steel; Steel

$21.18

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

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

M.A. Ford - 1" Head Diam, 1/2" Shank Diam, 1 Flute 90° Solid Carbide Countersink - USA Tool & Supply

M.A. Ford - 1" Head Diam, 1/2" Shank Diam, 1 Flute 90° Solid Carbide Countersink


Item #: 61717872
Brand: M.A. Ford
Model #: 60100003A

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
Head Diameter (Inch) 1
Head Diameter (Decimal Inch) 1.0000
Number of Flutes 1
Included Angle 90
Countersink Material Solid Carbide
Minimum Cutting Diameter (Inch) 1/8
Shank Diameter (Decimal Inch) 0.5000
Shank Diameter (Inch) 1/2
Maximum Cutting Diameter (Inch) 3/4
Overall Length (Inch) 3
Overall Length (Decimal Inch) 3.0000
Countersink Application Chamfering; Countersinking; Deburring
PSC Code 5133
Additional Information Modified Standard, Non-Returnable & Non-Cancelable

$268.49

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

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

Hertel - 3/8" Head Diam, 3/8" Shank Diam, 1 Flute 60° Solid Carbide Countersink - USA Tool & Supply

Hertel - 3/8" Head Diam, 3/8" Shank Diam, 1 Flute 60° Solid Carbide Countersink


Item #: 89334312
Brand: Hertel
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
Head Diameter (Inch) 3/8
Number of Flutes 1
Included Angle 60
Countersink Material Solid Carbide
Shank Diameter (Inch) 3/8
Overall Length (Inch) 2-1/2
Shank Type Straight
PSC Code 5133

$99.99

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

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

Keo - 3/8" Head Diam, 1/4" Shank Diam, 0 Flute 60° Cobalt Countersink - USA Tool & Supply

Keo - 3/8" Head Diam, 1/4" Shank Diam, 0 Flute 60° Cobalt Countersink


Item #: 45117389
Brand: Keo
Model #: 53501

Features and Benefits

Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Head Diameter (Inch) 3/8
Number of Flutes 0
Included Angle 60
Countersink Material Cobalt
Countersink Finish/Coating Bright
Minimum Cutting Diameter (Inch) 5/32
Shank Diameter (Inch) 1/4
Maximum Cutting Diameter (Inch) 11/32
Overall Length (Inch) 1-7/8
Countersink Application Countersinking; Deburring
Minimum Hole Diameter (Inch) 5/32
Maximum Hole Diameter (Inch) 11/32
End Type Single
Shank Type Straight
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 30
PSC Code 5133
Material Application Aluminum; Non-Metallics; Plastics

$17.72

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

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

Hertel - 3/4" Head Diam, 3/4" Shank Diam, 4 Flute 110° Solid Carbide Countersink - USA Tool & Supply

Hertel - 3/4" Head Diam, 3/4" Shank Diam, 4 Flute 110° Solid Carbide Countersink


Item #: 89334536
Brand: Hertel
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
Head Diameter (Inch) 3/4
Number of Flutes 4
Included Angle 110
Countersink Material Solid Carbide
Shank Diameter (Inch) 3/4
Overall Length (Inch) 3-1/2
Shank Type Straight
PSC Code 5133

$318.44

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

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

Melin Tool - 1/4" Head Diam, 1/4" Shank Diam, 6 Flute 120° High Speed Steel Countersink - USA Tool & Supply

Melin Tool - 1/4" Head Diam, 1/4" Shank Diam, 6 Flute 120° High Speed Steel Countersink


Item #: 57818924
Brand: Melin Tool
Model #: 18509

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.
Oxide coating prevents chip building, galling and welding on the workpiece. It is commonly used on low carbon metals, stainless steel and ferrous metals.
Product Specifications
Head Diameter (Inch) 1/4
Head Diameter (Decimal Inch) 0.2500
Number of Flutes 6
Included Angle 120
Countersink Material High Speed Steel
Countersink Finish/Coating Oxide
Shank Diameter (Decimal Inch) 0.2500
Shank Diameter (Inch) 1/4
Maximum Cutting Diameter (Inch) 1/4
Overall Length (Inch) 2
Overall Length (Decimal Inch) 2.0000
Countersink Application Countersinking
End Type Single
Shank Type Straight
Shank Material High Speed Steel
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
PSC Code 5133
Material Application Cast Iron; Hardened Steel; Nickel Alloy; Non-Ferrous Metals; Stainless Steel; Steel

$15.49

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

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

M.A. Ford - 3/16" Head Diam, 3/16" Shank Diam, 1 Flute 60° Solid Carbide Countersink - USA Tool & Supply

M.A. Ford - 3/16" Head Diam, 3/16" Shank Diam, 1 Flute 60° Solid Carbide Countersink


Item #: 72460124
Brand: M.A. Ford
Model #: 60018701

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.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Head Diameter (Inch) 3/16
Number of Flutes 1
Included Angle 60
Countersink Material Solid Carbide
Countersink Finish/Coating Bright
Shank Diameter (Inch) 3/16
Overall Length (Inch) 1-1/2
Tip/Nose Diameter (Decimal Inch) 0.0450
Countersink Application Countersinking
End Type Single
Shank Type Straight
Shank Material Steel
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 30
PSC Code 5133
Material Application Alloy Steel; Aluminum; Brass; Cast Iron; High Nickel Steel; High Tensile Steel; Magnesium; Magnesium Alloy; Mild Steel; Monel; Plastics; Stainless Steel

$20.87

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

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

M.A. Ford - 5/8" Head Diam, 1/4" Shank Diam, 1 Flute 120° High Speed Steel Countersink - USA Tool & Supply

M.A. Ford - 5/8" Head Diam, 1/4" Shank Diam, 1 Flute 120° High Speed Steel Countersink


Item #: 01054402
Brand: M.A. Ford
Model #: 61062506

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
Head Diameter (Inch) 5/8
Number of Flutes 1
Included Angle 120
Countersink Material High Speed Steel
Countersink Finish/Coating Bright
Shank Diameter (Inch) 1/4
Overall Length (Inch) 2-1/4
Tip/Nose Diameter (Decimal Inch) 0.0600
Countersink Application Chamfering; Countersinking; Deburring
End Type Single
Shank Type Straight
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 60
PSC Code 5133
Material Application Alloy Steel; Aluminum; Brass; Cast Iron; High Nickel Steel; High Tensile Steel; Magnesium; Magnesium Alloy; Mild Steel; Monel; Plastics; Stainless Steel

$20.99

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

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

Keo - Countersink - USA Tool & Supply

Keo - Countersink


Item #: 76264514
Brand: Keo
Model #: 53142

Product Specifications
PSC Code 5133

$10.26

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

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