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


Holemaking > Countersinks Chamfer Mills & Back Chamfers (ET04)

Hertel - 3/8" Head Diam, 1/4" Shank Diam, 4 Flute 82° Solid Carbide Countersink - 2-1/4" OAL, Straight Shank


Item #: 79562468
Brand: Hertel
Exact Tooling IR#: 04

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 4
Included Angle 82
Countersink Material Solid Carbide
Shank Diameter (Inch) 1/4
Overall Length (Inch) 2-1/4
Shank Type Straight

$59.10

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

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

Keo - 1/4" Head Diam, 1/4" Shank Diam, 1 Flute 82° Cobalt Countersink - Bright Finish, 1-1/2" OAL, Single End


Item #: 44840247
Brand: Keo
Model #: 55414
Exact Tooling IR#: 04

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 (mm) 6.35
Head Diameter (Inch) 1/4
Head Diameter (Decimal Inch) 0.2500
Number of Flutes 1
Included Angle 82
Countersink Material Cobalt
Countersink Finish/Coating Bright
Shank Diameter (mm) 6.35
Shank Diameter (Decimal Inch) 0.2500
Shank Diameter (Inch) 1/4
Maximum Cutting Diameter (Inch) 1/4
Overall Length (mm) 38
Overall Length (Inch) 1-1/2
Overall Length (Decimal Inch) 1.5000
Countersink Application Chamfering; Countersinking; Deburring
End Type Single

$11.79

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, 6 Flute 60° High Speed Steel Countersink - 2-1/2" OAL, Straight Shank


Item #: 89330252
Brand: Hertel
Exact Tooling IR#: 04

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) 3/8
Number of Flutes 6
Included Angle 60
Countersink Material High Speed Steel
Shank Diameter (Inch) 3/8
Overall Length (Inch) 2-1/2
Shank Type Straight

$25.06

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 110° High Speed Steel Countersink - 3-1/4" OAL, Straight Shank


Item #: 89336481
Brand: Hertel
Exact Tooling IR#: 04

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 110
Countersink Material High Speed Steel
Shank Diameter (Inch) 5/8
Overall Length (Inch) 3-1/4
Shank Type Straight

$54.07

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

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

Interstate - 3/4" Head Diam, 1/2" Shank Diam, 3 Flute 82° High Speed Steel Countersink - Bright Finish, 2-3/4" OAL, Single End, Straight Shank, Right Hand Cut


Item #: 02131480
Brand: Interstate
Exact Tooling IR#: 04

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) 3/4
Number of Flutes 3
Included Angle 82
Countersink Material High Speed Steel
Countersink Finish/Coating Bright
Shank Diameter (Inch) 1/2
Overall Length (Inch) 2-3/4
Countersink Application Countersinking
End Type Single
Shank Type Straight
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 41

$23.35

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 - 1-1/4" Head Diam, 3/4" Shank Diam, 6 Flute 60° High Speed Steel Countersink - Oxide Finish, 3" OAL, Single End, Straight Shank, Right Hand Cut


Item #: 57795072
Brand: Melin Tool
Model #: 19316
Exact Tooling IR#: 04

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) 1-1/4
Head Diameter (Decimal Inch) 1.2500
Number of Flutes 6
Included Angle 60
Countersink Material High Speed Steel
Countersink Finish/Coating Oxide
Shank Diameter (Decimal Inch) 0.7500
Shank Diameter (Inch) 3/4
Maximum Cutting Diameter (Inch) 1-1/4
Overall Length (Inch) 3
Overall Length (Decimal Inch) 3.0000
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
Material Application Cast Iron; Hardened Steel; Non-Ferrous Metals; Steel

$104.11

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, 1 Flute 90° High Speed Steel Countersink - 3-1/4" OAL, Straight Shank


Item #: 89340517
Brand: Hertel
Exact Tooling IR#: 04

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 1
Included Angle 90
Countersink Material High Speed Steel
Shank Diameter (Inch) 5/8
Overall Length (Inch) 3-1/4
Shank Type Straight

$44.81

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 - 3/8" Head Diam, 3/8" Shank Diam, 6 Flute 60° High Speed Steel Countersink - Bright Finish, 2-1/2" OAL, Double End, Straight Shank, Right Hand Cut


Item #: 57832248
Brand: Melin Tool
Model #: 18308
Exact Tooling IR#: 04

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 6
Included Angle 60
Countersink Material High Speed Steel
Countersink Finish/Coating Bright
Shank Diameter (Decimal Inch) 0.3750
Shank Diameter (Inch) 3/8
Maximum Cutting Diameter (Inch) 3/8
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
Material Application Cast Iron; Hardened Steel; Nickel Alloy; Non-Ferrous Metals; Stainless Steel; Steel

$25.41

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

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

Interstate - 5/8" Shank Diam, 0 Flute 82° High Speed Steel Countersink - Bright Finish, Single End, Straight Shank, Right Hand Cut


Item #: 02463644
Brand: Interstate
Exact Tooling IR#: 04

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
Number of Flutes 0
Included Angle 82
Countersink Material High Speed Steel
Countersink Finish/Coating Bright
Minimum Cutting Diameter (Inch) 1
Shank Diameter (Inch) 5/8
Maximum Cutting Diameter (Inch) 2
Countersink Application Countersinking; Deburring
End Type Single
Shank Type Straight
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 41

$228.51

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 - 5/8" Head Diam, 5/8" Shank Diam, 4 Flute 60° High Speed Steel Countersink - Oxide Finish, 3-1/2" OAL, Double End, Straight Shank, Right Hand Cut


Item #: 57832081
Brand: Melin Tool
Model #: 18784
Exact Tooling IR#: 04

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) 5/8
Head Diameter (Decimal Inch) 0.6250
Number of Flutes 4
Included Angle 60
Countersink Material High Speed Steel
Countersink Finish/Coating Oxide
Shank Diameter (Decimal Inch) 0.6250
Shank Diameter (Inch) 5/8
Maximum Cutting Diameter (Inch) 5/8
Overall Length (Inch) 3-1/2
Overall Length (Decimal Inch) 3.5000
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
Material Application Cast Iron; Hardened Steel; Nickel Alloy; Non-Ferrous Metals; Stainless Steel; Steel

$66.99

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 - 5/8" Head Diam, 3/8" Shank Diam, 4 Flute 60° High Speed Steel Countersink - Oxide Finish, 2-1/4" OAL, Single End, Straight Shank, Right Hand Cut


Item #: 57819526
Brand: Melin Tool
Model #: 18639
Exact Tooling IR#: 04

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) 5/8
Head Diameter (Decimal Inch) 0.6250
Number of Flutes 4
Included Angle 60
Countersink Material High Speed Steel
Countersink Finish/Coating Oxide
Shank Diameter (Decimal Inch) 0.3750
Shank Diameter (Inch) 3/8
Maximum Cutting Diameter (Inch) 5/8
Overall Length (Inch) 2-1/4
Overall Length (Decimal Inch) 2.2500
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
Material Application Cast Iron; Hardened Steel; Nickel Alloy; Non-Ferrous Metals; Stainless Steel; Steel

$29.29

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 110° High Speed Steel Countersink - Oxide Finish, 2-3/4" OAL, Single End, Straight Shank, Right Hand Cut


Item #: 57814675
Brand: Melin Tool
Model #: 18684
Exact Tooling IR#: 04

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
Head Diameter (Decimal Inch) 1.0000
Number of Flutes 4
Included Angle 110
Countersink Material High Speed Steel
Countersink Finish/Coating Oxide
Shank Diameter (Decimal Inch) 0.5000
Shank Diameter (Inch) 1/2
Maximum Cutting Diameter (Inch) 1
Overall Length (Inch) 2-3/4
Overall Length (Decimal Inch) 2.7500
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
Material Application Cast Iron; Hardened Steel; Nickel Alloy; Non-Ferrous Metals; Stainless Steel; Steel

$92.42

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

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

Keo - 1/8" Head Diam, 1/8" Shank Diam, 6 Flute 90° High Speed Steel Countersink - Bright Finish, 1-1/4" OAL, Single End, Straight Shank, Right Hand Cut


Item #: 07847890
Brand: Keo
Model #: 55040
Exact Tooling IR#: 04

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) 1/8
Number of Flutes 6
Included Angle 90
Countersink Material High Speed Steel
Countersink Finish/Coating Bright
Shank Diameter (Inch) 1/8
Shank Length (Inch) 1
Overall Length (Inch) 1-1/4
Countersink Application Countersinking
End Type Single
Shank Type Straight
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 45

$8.83

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 - 3/8" Head Diam, 1/4" Shank Diam, 6 Flute 120° High Speed Steel Countersink - Oxide Finish, 2" OAL, Single End, Straight Shank, Right Hand Cut


Item #: 57818916
Brand: Melin Tool
Model #: 18523
Exact Tooling IR#: 04

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) 3/8
Head Diameter (Decimal Inch) 0.3750
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) 3/8
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
Material Application Cast Iron; Hardened Steel; Nickel Alloy; Non-Ferrous Metals; Stainless Steel; Steel

$19.59

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 - 1/8" Head Diam, 1/8" Shank Diam, 1 Flute 60° High Speed Steel Countersink - TiN Finish, 1-1/2" OAL


Item #: 92248814
Brand: M.A. Ford
Model #: 61T012501
Exact Tooling IR#: 04

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) 1/8
Head Diameter (Decimal Inch) 0.1250
Number of Flutes 1
Included Angle 60
Countersink Material High Speed Steel
Countersink Finish/Coating TiN
Minimum Cutting Diameter (Inch) 0.0300
Shank Diameter (Decimal Inch) 0.1250
Shank Diameter (Inch) 1/8
Maximum Cutting Diameter (Inch) 1/8
Overall Length (Inch) 1-1/2
Overall Length (Decimal Inch) 1.5000
Countersink Application Countersinking

$13.54

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

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

Hertel - 2-1/2" Head Diam, 3/4" Shank Diam, 1 Flute 100° High Speed Steel Countersink - 4-3/4" OAL, Straight Shank


Item #: 89340277
Brand: Hertel
Exact Tooling IR#: 04

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) 2-1/2
Number of Flutes 1
Included Angle 100
Countersink Material High Speed Steel
Shank Diameter (Inch) 3/4
Overall Length (Inch) 4-3/4
Shank Type Straight

$655.96

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

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

DORMER - 12mm Shank Diam, 3 Flute 90° Solid Carbide Countersink - Bright Finish, 71mm OAL, Single End, Straight Shank, Right Hand Cut


Item #: 65670929
Brand: DORMER
Model #: 0128770
Exact Tooling IR#: 04

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
Number of Flutes 3
Included Angle 90
Countersink Material Solid Carbide
Countersink Finish/Coating Bright
Minimum Cutting Diameter (mm) 4.20
Shank Diameter (mm) 12.00
Shank Diameter (Decimal Inch) 0.4728
Maximum Cutting Diameter (Inch) 1-1/4
Overall Length (mm) 71
Overall Length (Decimal Inch) 2.7974
Countersink Application Countersinking
End Type Single
Shank Type Straight
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Material Application Alloy Steel; Aluminum; Aluminum Alloy; Brass; Bronze; Carbon Steel; Cast Iron; Copper; Copper Alloy; Free Machining Stainless Steel; Hardened Steel; Magnesium; Nickel; Nickel Alloy
Material Application2 Stainless Steel; Steel; Structural Steel; Thermoplastics; Thermosetting Plastics; Titanium; Titanium Alloy

$547.53

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 - 3/4" Head Diam, 3/4" Shank Diam, 6 Flute 82° High Speed Steel Countersink - Bright Finish, 4" OAL, Double End, Straight Shank, Right Hand Cut


Item #: 57814139
Brand: Melin Tool
Model #: 18324
Exact Tooling IR#: 04

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) 3/4
Head Diameter (Decimal Inch) 0.7500
Number of Flutes 6
Included Angle 82
Countersink Material High Speed Steel
Countersink Finish/Coating Bright
Shank Diameter (Decimal Inch) 0.7500
Shank Diameter (Inch) 3/4
Maximum Cutting Diameter (Inch) 3/4
Overall Length (Inch) 4
Overall Length (Decimal Inch) 4.0000
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
Material Application Cast Iron; Hardened Steel; Nickel Alloy; Non-Ferrous Metals; Stainless Steel; Steel

$64.26

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

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

Precision Twist Drill - 5/8" Head Diam, 3/8" Shank Diam, 3 Flute 90° High Speed Steel Countersink - Bright Finish, 2-1/4" OAL, Single End, Straight Shank, Right Hand Cut


Item #: 78581766
Brand: Precision Twist Drill
Model #: 5011106
Exact Tooling IR#: 04

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 3
Included Angle 90
Countersink Material High Speed Steel
Countersink Finish/Coating Bright
Shank Diameter (Inch) 3/8
Overall Length (Inch) 2-1/4
Countersink Application Countersinking
Head Length (Inch) 1
End Type Single
Shank Type Straight
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 45

$35.39

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 - 1/8" Head Diam, 1/8" Shank Diam, 1 Flute 82° Solid Carbide Countersink - 1-1/2" OAL


Item #: 58225616
Brand: M.A. Ford
Model #: 60012502TIN
Exact Tooling IR#: 04

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) 1/8
Head Diameter (Decimal Inch) 0.1250
Number of Flutes 1
Included Angle 82
Countersink Material Solid Carbide
Minimum Cutting Diameter (Inch) 1/32
Shank Diameter (Decimal Inch) 0.1250
Shank Diameter (Inch) 1/8
Maximum Cutting Diameter (Inch) 7/64
Overall Length (Inch) 1-1/2
Overall Length (Decimal Inch) 1.5000
Countersink Application Chamfering; Countersinking; Deburring
Additional Information Modified Standard, Non-Returnable & Non-Cancelable

$21.14

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

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