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 | Makers Industrial Supply - (6370 Products)


Guhring - Countersinks Head Diameter (Inch): 0.625 Number of Flutes: 3


Item #: 18937862
Brand: Guhring
Model #: 9056740158750

Features and Benefits

Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Titanium Aluminum Nitride (TiAlN) has a higher hardness and oxidation temperature versus TiN and TiCN. As a result, it is particularly advantageous for higher speed operations in a variety of steel machining applications.

Product Specifications

Countersinks; Head Diameter (Inch): 0.625 ; Number of Flutes: 3 ; Included Angle: 82.00 ; Countersink Material: Cobalt ; Countersink Finish/Coating: TiAlN ; Minimum Cutting Diameter (Inch): 0.18
Head Diameter (Inch) 0.625
Number of Flutes 3
Included Angle 82.00
Countersink Material Cobalt
Countersink Finish/Coating TiAlN
Minimum Cutting Diameter (Inch) 0.18
Shank Diameter (Inch) 3/8
Overall Length (Inch) 2-1/4
Countersink Application Countersinking
End Type Single
Shank Type Cylindrical
Includes Pilot No
Countersink Head Only No
Attachment Method Shank
Cutting Direction Right Hand
Material Application Cast Iron; Stainless Steels; Steel
Material Application2 Cast Iron; Stainless Steels; Steel

$64.77

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

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

Magafor - 16.5mm Head Diam, 25/64" Shank Diam, 90° Solid Carbide Countersink


Item #: 12784492
Brand: Magafor
Model #: 88843116500

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 (mm) 16.50
Head Diameter (Decimal Inch) 0.6500
Included Angle 90
Countersink Material Solid Carbide
Minimum Cutting Diameter (Inch) 7/64
Shank Diameter (mm) 10.00
Shank Diameter (Decimal Inch) 0.3940
Shank Diameter (Inch) 25/64
Maximum Cutting Diameter (Inch) 21/32
Overall Length (Inch) 2-3/8
Maximum Hole Diameter (Decimal Inch) 0.6500
End Type Single
Shank Type Straight
Cutting Direction Right Hand
Maximum Cutting Diameter (Decimal Inch) 0.6500
PSC Code 5133

$168.78

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

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

Magafor - 31mm Head Diam, 15/32" Shank Diam, 90° Solid Carbide Countersink


Item #: 19911387
Brand: Magafor
Model #: 888431H3100

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 (mm) 31.00
Head Diameter (Decimal Inch) 1.2200
Included Angle 90
Countersink Material Solid Carbide
Minimum Cutting Diameter (Inch) 9/64
Shank Diameter (mm) 12.00
Shank Diameter (Decimal Inch) 0.4720
Shank Diameter (Inch) 15/32
Maximum Cutting Diameter (Inch) 1-7/32
Overall Length (Inch) 2-3/4
Maximum Hole Diameter (Decimal Inch) 1.2200
End Type Single
Shank Type Straight
Cutting Direction Right Hand
Maximum Cutting Diameter (Decimal Inch) 1.2200
PSC Code 5133

$447.24

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

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

Magafor - Countersinks Head Diameter (mm): 4.30 Number of Flutes: 3


Item #: 98915002
Brand: Magafor
Model #: 8443A043000

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

Countersinks; Head Diameter (mm): 4.30 ; Number of Flutes: 3 ; Included Angle: 90 ; Countersink Material: Cobalt ; Countersink Finish/Coating: Bright ; Minimum Cutting Diameter (mm): 1.30
Head Diameter (mm) 4.30
Number of Flutes 3
Included Angle 90
Countersink Material Cobalt
Countersink Finish/Coating Bright
Minimum Cutting Diameter (mm) 1.30
Shank Diameter (mm) 4.00
Overall Length (mm) 40
Countersink Application Countersinking
End Type Single
Shank Type Straight
Shank Material Cobalt
Includes Pilot No
Cutting Direction Right Hand

$25.83

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

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

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


Item #: 98914872
Brand: Magafor
Model #: 84483A15000

Features and Benefits

Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
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

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

$66.33

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

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

Magafor - 3/16" Head Diam, 3/16" Shank Diam, 1 Flute 90° Cobalt Countersink


Item #: 31206683
Brand: Magafor
Model #: 84421047600

Features and Benefits

Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Uncoated tools do not feature supportive treatments on the cutting edge. They are are used at reduced speeds for general applications on nonferrous metals.
Product Specifications
Head Diameter (Inch) 3/16
Head Diameter (Decimal Inch) 0.1875
Number of Flutes 1
Included Angle 90
Countersink Material Cobalt
Countersink Finish/Coating Uncoated
Minimum Cutting Diameter (Inch) 3/64
Shank Diameter (Inch) 3/16
Maximum Cutting Diameter (Inch) 3/16
Overall Length (Inch) 1-3/8
Minimum Hole Diameter (Inch) 3/64
Maximum Hole Diameter (Inch) 3/16
End Type Single
Shank Type Straight
Shank Material Cobalt
Includes Pilot No
Countersink Head Only No
Attachment Method Shank
Cutting Direction Right Hand
Maximum Cutting Diameter (Decimal Inch) 0.1875
PSC Code 5133

$15.33

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" Head Diam, 3/8" Shank Diam, 3 Flute 82° Cobalt Countersink


Item #: 31484835
Brand: Keo
Model #: 54016

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) 25.40
Head Diameter (Inch) 1
Head Diameter (Decimal Inch) 1.0000
Number of Flutes 3
Included Angle 82
Countersink Material Cobalt
Countersink Finish/Coating Bright
Minimum Cutting Diameter (mm) 25.40
Minimum Cutting Diameter (Inch) 1
Shank Diameter (mm) 9.65
Shank Diameter (Decimal Inch) 0.3750
Shank Diameter (Inch) 3/8
Shank Length (Inch) 1-1/2
Shank Length (Decimal Inch) 1.50
Overall Length (mm) 70
Overall Length (Inch) 2-3/4
Overall Length (Decimal Inch) 1.5000
End Type Single
Shank Type Straight
Shank Material Cobalt
Countersink Head Only No
Attachment Method Shank
Cutting Direction Right Hand
PSC Code 5133

$31.78

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

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

Magafor - Countersinks Head Diameter (mm): 10.40 Number of Flutes: 3


Item #: 98914831
Brand: Magafor
Model #: 84483A10400

Features and Benefits

Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
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

Countersinks; Head Diameter (mm): 10.40 ; Number of Flutes: 3 ; Included Angle: 90 ; Countersink Material: Cobalt ; Countersink Finish/Coating: TiN ; Minimum Cutting Diameter (mm): 2.50
Head Diameter (mm) 10.40
Number of Flutes 3
Included Angle 90
Countersink Material Cobalt
Countersink Finish/Coating TiN
Minimum Cutting Diameter (mm) 2.50
Shank Diameter (mm) 6.00
Overall Length (mm) 50
Countersink Application Countersinking
End Type Single
Shank Type Straight
Shank Material Cobalt
Includes Pilot No
Cutting Direction Right Hand

$45.72

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

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

Magafor - Countersinks Head Diameter (mm): 12.00 Number of Flutes: 3


Item #: 98915044
Brand: Magafor
Model #: 84483A12000

Features and Benefits

Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
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

Countersinks; Head Diameter (mm): 12.00 ; Number of Flutes: 3 ; Included Angle: 90 ; Countersink Material: Cobalt ; Countersink Finish/Coating: TiN ; Minimum Cutting Diameter (mm): 2.80
Head Diameter (mm) 12.00
Number of Flutes 3
Included Angle 90
Countersink Material Cobalt
Countersink Finish/Coating TiN
Minimum Cutting Diameter (mm) 2.80
Shank Diameter (mm) 8.00
Overall Length (mm) 56
Countersink Application Countersinking
End Type Single
Shank Type Straight
Shank Material Cobalt
Includes Pilot No
Cutting Direction Right Hand

$54.70

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

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

Magafor - 6.3mm Head Diam, 13/64" Shank Diam, 90° Cobalt Countersink


Item #: 19912096
Brand: Magafor
Model #: 84493606300

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
Head Diameter (mm) 6.30
Head Diameter (Decimal Inch) 0.2480
Included Angle 90
Countersink Material Cobalt
Minimum Cutting Diameter (Inch) 3/64
Shank Diameter (mm) 5.00
Shank Diameter (Decimal Inch) 0.1970
Shank Diameter (Inch) 13/64
Maximum Cutting Diameter (Inch) 1/4
Overall Length (Inch) 1-3/4
Countersink Application Countersinking
Maximum Hole Diameter (Decimal Inch) 0.2480
End Type Single
Shank Type Straight
Cutting Direction Right Hand
Maximum Cutting Diameter (Decimal Inch) 0.2480
PSC Code 5133

$33.34

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

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

Magafor - 1" Head Diam, 1/2" Shank Diam, 1 Flute 60° Cobalt Countersink


Item #: 31206808
Brand: Magafor
Model #: 84422254000

Features and Benefits

Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Uncoated tools do not feature supportive treatments on the cutting edge. They are are used at reduced speeds for general applications on nonferrous metals.
Product Specifications
Head Diameter (Inch) 1
Head Diameter (Decimal Inch) 1.0000
Number of Flutes 1
Included Angle 60
Countersink Material Cobalt
Countersink Finish/Coating Uncoated
Minimum Cutting Diameter (Inch) 1/8
Shank Diameter (Inch) 1/2
Maximum Cutting Diameter (Inch) 1
Overall Length (Inch) 2-3/4
Minimum Hole Diameter (Inch) 1/8
Maximum Hole Diameter (Inch) 1
End Type Single
Shank Type Straight
Shank Material Cobalt
Includes Pilot No
Countersink Head Only No
Attachment Method Shank
Cutting Direction Right Hand
Maximum Cutting Diameter (Decimal Inch) 1.0000
PSC Code 5133

$76.42

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

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

SGS - 3/16" Head Diam, 3/16" Shank Diam, 1 Flute 90° Solid Carbide Countersink


Item #: 40979932
Brand: SGS
Model #: 74204

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
Head Diameter (Decimal Inch) 0.1875
Number of Flutes 1
Included Angle 90
Countersink Material Solid Carbide
Countersink Finish/Coating Bright
Shank Diameter (Decimal Inch) 0.1875
Shank Diameter (Inch) 3/16
Maximum Cutting Diameter (Inch) 3/16
Overall Length (Inch) 2
Overall Length (Decimal Inch) 2.0000
Countersink Application Countersinking
End Type Single
Shank Type Straight
Shank Material Solid Carbide
Includes Pilot No
Countersink Head Only No
Attachment Method Shank
Cutting Direction Right Hand
Maximum Cutting Diameter (Decimal Inch) 0.1875
PSC Code 5133
Material Application Cast Iron; Composites; High Temperature Alloys; Non-Ferrous Metals; Plastics; Stainless Steel; Steel; Titanium

$15.95

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

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

Guhring - 20.5mm Head Diam, 10mm Shank Diam, 3-Flute 90° Cobalt Countersink


Item #: 90263898
Brand: Guhring
Model #: 9055000205000

Features and Benefits

Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Titanium Aluminum Nitride (TiAlN) has a higher hardness and oxidation temperature versus TiN and TiCN. As a result, it is particularly advantageous for higher speed operations in a variety of steel machining applications.
Product Specifications
Head Diameter (mm) 20.50
Number of Flutes 3
Included Angle 90
Countersink Material Cobalt
Countersink Finish/Coating TiAlN
Minimum Cutting Diameter (mm) 3.50
Shank Diameter (mm) 10.00
Overall Length (mm) 63
Minimum Hole Diameter (Decimal Inch) 0.1772
End Type Single
Shank Type Straight
Shank Material Cobalt
Includes Pilot No
Countersink Head Only No
Attachment Method Shank
Cutting Direction Right Hand

$94.83

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

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

Magafor - 0.236" Head Diam, 15/64" Shank Diam, 82° Cobalt Countersink


Item #: 95431581
Brand: Magafor
Model #: 84482406000

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
Head Diameter (Decimal Inch) 0.2360
Included Angle 82
Countersink Material Cobalt
Minimum Cutting Diameter (Inch) 3/64
Shank Diameter (mm) 6.00
Shank Diameter (Decimal Inch) 0.2360
Shank Diameter (Inch) 15/64
Maximum Cutting Diameter (Inch) 15/64
Overall Length (Decimal Inch) 1.6250
Countersink Application Chamfering
Maximum Hole Diameter (Decimal Inch) 0.2360
End Type Single
Shank Type Straight
Cutting Direction Right Hand
Maximum Cutting Diameter (Decimal Inch) 0.2360
PSC Code 5133

$26.78

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

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

Value Collection - 7/8" Head Diam, 1/2" Shank Diam, 1 Flute 82° High Speed Steel Countersink


Item #: 45659778
Brand: Value Collection
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) 7/8
Number of Flutes 1
Included Angle 82
Countersink Material High Speed Steel
Shank Diameter (Inch) 1/2
Overall Length (Inch) 2-3/4
PSC Code 5133

$48.37

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

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

Magafor - 16.5mm Head Diam, 5/8" Shank Diam, 90° Cobalt Countersink


Item #: 96393368
Brand: Magafor
Model #: 84493316500

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
Head Diameter (mm) 16.50
Head Diameter (Decimal Inch) 0.6500
Included Angle 90
Countersink Material Cobalt
Minimum Cutting Diameter (Inch) 7/64
Shank Diameter (mm) 12.00
Shank Diameter (Decimal Inch) 0.6300
Shank Diameter (Inch) 5/8
Maximum Cutting Diameter (Inch) 21/32
Overall Length (Inch) 4-7/16
Maximum Hole Diameter (Decimal Inch) 0.6500
End Type Single
Shank Type Straight
Cutting Direction Right Hand
Maximum Cutting Diameter (Decimal Inch) 0.6500
PSC Code 5133

$92.72

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

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

Guhring - Countersinks Head Diameter (Inch): 0.3125 Number of Flutes: 3


Item #: 18937821
Brand: Guhring
Model #: 9056750079380

Features and Benefits

Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Titanium Aluminum Nitride (TiAlN) has a higher hardness and oxidation temperature versus TiN and TiCN. As a result, it is particularly advantageous for higher speed operations in a variety of steel machining applications.

Product Specifications

Countersinks; Head Diameter (Inch): 0.3125 ; Number of Flutes: 3 ; Included Angle: 82.00 ; Countersink Material: Cobalt ; Countersink Finish/Coating: TiAlN ; Minimum Cutting Diameter (Inch): 0.08
Head Diameter (Inch) 0.3125
Number of Flutes 3
Included Angle 82.00
Countersink Material Cobalt
Countersink Finish/Coating TiAlN
Minimum Cutting Diameter (Inch) 0.08
Shank Diameter (Inch) 1/4
Overall Length (Inch) 2
Countersink Application Countersinking
End Type Single
Shank Type 3-Flat
Includes Pilot No
Countersink Head Only No
Attachment Method Shank
Cutting Direction Right Hand
Material Application Cast Iron; Stainless Steels; Steel
Material Application2 Cast Iron; Stainless Steels; Steel

$56.01

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

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

Value Collection - 1/2" Head Diam, 1/4" Shank Diam, 6 Flute 82° High Speed Steel Countersink


Item #: 45659638
Brand: Value Collection
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) 1/2
Number of Flutes 6
Included Angle 82
Countersink Material High Speed Steel
Shank Diameter (Inch) 1/4
Overall Length (Inch) 2
PSC Code 5133

$26.73

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

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

Magafor - 1/8" Head Diam, 1/8" Shank Diam, 1 Flute 60° High Speed Steel Countersink


Item #: 31206600
Brand: Magafor
Model #: 84422031700

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.
Uncoated tools do not feature supportive treatments on the cutting edge. They are are used at reduced speeds for general applications on nonferrous metals.
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 Uncoated
Minimum Cutting Diameter (Inch) 1/32
Shank Diameter (Inch) 1/8
Maximum Cutting Diameter (Inch) 1/8
Overall Length (Inch) 1-1/4
Minimum Hole Diameter (Inch) 1/32
Maximum Hole Diameter (Inch) 1/8
End Type Single
Shank Type Straight
Shank Material Cobalt
Includes Pilot No
Countersink Head Only No
Attachment Method Shank
Cutting Direction Right Hand
Maximum Cutting Diameter (Decimal Inch) 0.1250
PSC Code 5133

$14.47

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

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

Magafor - Countersinks Head Diameter (mm): 9.40 Number of Flutes: 3


Item #: 98914856
Brand: Magafor
Model #: 84483A09400

Features and Benefits

Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
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

Countersinks; Head Diameter (mm): 9.40 ; Number of Flutes: 3 ; Included Angle: 90 ; Countersink Material: Cobalt ; Countersink Finish/Coating: TiN ; Minimum Cutting Diameter (mm): 2.20
Head Diameter (mm) 9.40
Number of Flutes 3
Included Angle 90
Countersink Material Cobalt
Countersink Finish/Coating TiN
Minimum Cutting Diameter (mm) 2.20
Shank Diameter (mm) 6.00
Overall Length (mm) 50
Countersink Application Countersinking
End Type Single
Shank Type Straight
Shank Material Cobalt
Includes Pilot No
Cutting Direction Right Hand

$41.15

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

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