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)
Magafor - Countersinks Head Diameter (mm): 8.00 Number of Flutes: 3 - USA Tool & Supply

Magafor - Countersinks Head Diameter (mm): 8.00 Number of Flutes: 3


Item #: 98914955
Brand: Magafor
Model #: 8443A080000

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): 8.00 ; Number of Flutes: 3 ; Included Angle: 90 ; Countersink Material: Cobalt ; Countersink Finish/Coating: Bright ; Minimum Cutting Diameter (mm): 2.00
Head Diameter (mm) 8.00
Number of Flutes 3
Included Angle 90
Countersink Material Cobalt
Countersink Finish/Coating Bright
Minimum Cutting Diameter (mm) 2.00
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

$32.18

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

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

Magafor - 20mm Head Diam, 25/64" Shank Diam, 82° Cobalt Countersink - USA Tool & Supply

Magafor - 20mm Head Diam, 25/64" Shank Diam, 82° Cobalt Countersink


Item #: 96393277
Brand: Magafor
Model #: 84482420000

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) 20.00
Head Diameter (Decimal Inch) 0.7870
Included Angle 82
Countersink Material Cobalt
Minimum Cutting Diameter (Inch) 5/64
Shank Diameter (mm) 10.00
Shank Diameter (Decimal Inch) 0.3940
Shank Diameter (Inch) 25/64
Maximum Cutting Diameter (Inch) 25/32
Overall Length (Decimal Inch) 2.8750
Countersink Application Chamfering
Maximum Hole Diameter (Decimal Inch) 0.7870
End Type Single
Shank Type Straight
Cutting Direction Right Hand
Maximum Cutting Diameter (Decimal Inch) 0.7870
PSC Code 5133

$68.30

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° Cobalt Countersink - USA Tool & Supply

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


Item #: 95431870
Brand: Magafor
Model #: 84493631000

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) 31.00
Head Diameter (Decimal Inch) 1.2200
Included Angle 90
Countersink Material Cobalt
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
Countersink Application Countersinking
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

$179.71

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

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

Magafor - 3/4" Head Diam, 3/8" Shank Diam, 3 Flute 90° Cobalt Countersink - USA Tool & Supply

Magafor - 3/4" Head Diam, 3/8" Shank Diam, 3 Flute 90° Cobalt Countersink


Item #: 31285083
Brand: Magafor
Model #: 84483119050

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
Head Diameter (Inch) 3/4
Head Diameter (Decimal Inch) 0.7500
Number of Flutes 3
Included Angle 90
Countersink Material Cobalt
Countersink Finish/Coating TiN
Minimum Cutting Diameter (Inch) 0.1200
Shank Diameter (Inch) 3/8
Maximum Cutting Diameter (Inch) 3/4
Overall Length (Inch) 2-3/8
Minimum Hole Diameter (Decimal Inch) 0.1200
Maximum Hole Diameter (Decimal Inch) 0.7500
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) 0.7500
PSC Code 5133

$96.80

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

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

Guhring - 19mm Head Diam, 10mm Shank Diam, 3-Flute 90° Cobalt Countersink - USA Tool & Supply

Guhring - 19mm Head Diam, 10mm Shank Diam, 3-Flute 90° Cobalt Countersink


Item #: 90263807
Brand: Guhring
Model #: 9055010190000

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) 19.00
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 Material Cobalt
Includes Pilot No
Countersink Head Only No
Attachment Method Shank
Cutting Direction Right Hand

$104.63

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, 82° Cobalt Countersink - USA Tool & Supply

Magafor - 16.5mm Head Diam, 25/64" Shank Diam, 82° Cobalt Countersink


Item #: 96393020
Brand: Magafor
Model #: 84483416500

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 82
Countersink Material Cobalt
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

$45.95

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

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

Keo - 5/16" Head Diam, 1/4" Shank Diam, 3 Flute 90° Cobalt Countersink - USA Tool & Supply

Keo - 5/16" Head Diam, 1/4" Shank Diam, 3 Flute 90° Cobalt Countersink


Item #: 31484793
Brand: Keo
Model #: 54021

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) 7.87
Head Diameter (Inch) 5/16
Head Diameter (Decimal Inch) 0.3125
Number of Flutes 3
Included Angle 90
Countersink Material Cobalt
Countersink Finish/Coating Bright
Minimum Cutting Diameter (mm) 7.87
Minimum Cutting Diameter (Inch) 5/16
Shank Diameter (mm) 6.35
Shank Diameter (Decimal Inch) 0.2500
Shank Diameter (Inch) 1/4
Shank Length (Inch) 1.2031
Shank Length (Decimal Inch) 1.20
Overall Length (mm) 45
Overall Length (Inch) 1-3/4
Overall Length (Decimal Inch) 1.2031
End Type Single
Shank Type Straight
Shank Material Cobalt
Countersink Head Only No
Attachment Method Shank
Cutting Direction Right Hand
PSC Code 5133

$14.35

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

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

Corner Radius End Mill: 3/8″ Dia, 1/2″ LOC, 0.015″ Radius, 2 Flutes, Solid Carbide 2-1/2″ OAL, 3/8″ Shank Dia, 45 ° Helix, ZrN Coated, Corner Radius End, Centercutting

Corner Radius End Mill: 3/8″ Dia, 1/2″ LOC, 0.015″ Radius, 2 Flutes, Solid Carbide 2-1/2″ OAL, 3/8″ Shank Dia, 45 ° Helix, ZrN Coated, Corner Radius End, Centercutting


Item #: 65249518
Brand: Accupro
Model #: 237N03750C5

Product Specifications

Mill Diameter (Decimal Inch) 0.3750
Mill Diameter (Inch) 3/8
Length of Cut (Inch) 1/2
Corner Radius (Decimal Inch) 0.0150
Number Of Flutes 2
End Mill Material Solid Carbide
Extended Reach No
End Type Corner Radius
Length Type Regular
Flute Type Spiral
Helix Angle 45
Centercutting Yes
Variable Helix No
Shank Diameter (Inch) 3/8
Overall Length (Inch) 2-1/2
Mill Diameter Tolerance +0.000000 to -0.002000 in
Shank Diameter Tolerance +0.0001/-0.0004 in
Cutting Direction Right Hand
Flute Direction Right Hand
Material Grade Micrograin
Single Or Double End Single
Coating/Finish ZrN
Length Of Cut (Decimal Inch - 4 Decimals) 0.5000

$63.49

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

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

Corner Radius End Mill: 3/4″ Dia, 1-1/2″ LOC, 0.015″ Radius, 2 Flutes, Solid Carbide 4″ OAL, 3/4″ Shank Dia, 30 ° Helix, Bright/Uncoated, Corner Radius End, Centercutting, Series 3CR

Corner Radius End Mill: 3/4″ Dia, 1-1/2″ LOC, 0.015″ Radius, 2 Flutes, Solid Carbide 4″ OAL, 3/4″ Shank Dia, 30 ° Helix, Bright/Uncoated, Corner Radius End, Centercutting, Series 3CR


Item #: 03370798
Brand: SGS
Model #: 38287

Product Specifications

Mill Diameter (Decimal Inch) 0.7500
Mill Diameter (Inch) 3/4
Length of Cut (Inch) 1-1/2
Corner Radius (Decimal Inch) 0.0150
Number Of Flutes 2
End Mill Material Solid Carbide
Extended Reach No
End Type Corner Radius
Length Type Regular
Flute Type Spiral
Helix Angle 30
Shank Type Straight-Cylindrical
Centercutting Yes
Variable Index No
Variable Helix No
Shank Diameter (Inch) 3/4
Overall Length (Inch) 4
Overall Length (Decimal Inch) 4.0000
Maximum Helix Angle 30.00
Corner Radius Tolerance +0.00000 to -0.00200 in
Mill Diameter Tolerance -0.001000 to -0.002000 in
Shank Diameter Tolerance -0.0001 / -0.0004 in
Cutting Direction Right Hand
Flute Direction Right Hand
Material Grade Micrograin
Series 3CR
Single Or Double End Single
Coating/Finish Bright/Uncoated
Length Of Cut (Decimal Inch - 4 Decimals) 1.5000

$129.69

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

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

Seco - 8mm Diam 4 Flute Single End Solid Carbide Chamfer Mill - USA Tool & Supply

Seco - 8mm Diam 4 Flute Single End Solid Carbide Chamfer Mill


Item #: 81019226
Brand: Seco
Model #: 02881638

Features and Benefits

Solid carbide is extremely heat resistant and used for high speed applications on cast iron, non-ferrous materials, plastics, and other tough-to-machine materials. It is commonly used in high performance applications.
Sira, also known as Siron-A , is a coatings that offers heat resistance, allows for smooth chip flows and enhances tool life. It is used on a variety of materials including steel, stainless steel and cast iron. Siron-A is a proprietary coating exclusive to Seco Tools, Inc.
Product Specifications
Cutter Head Diameter (mm) 8.00
Included Angle A 90
Chamfer Mill Material Solid Carbide
Chamfer Mill Finish/Coating SIRA
Overall Length (mm) 63
Shank Diameter (mm) 8
Number of Flutes 4
End Type Single
Length of Cut (Decimal Inch) 0.1260
Cutting Direction Right Hand
Tool Application Chamfering
Series/List JS509

$58.62

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

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

Seco - 12mm Diam 4 Flute Single End Solid Carbide Chamfer Mill - USA Tool & Supply

Seco - 12mm Diam 4 Flute Single End Solid Carbide Chamfer Mill


Item #: 81019291
Brand: Seco
Model #: 02881630

Features and Benefits

Solid carbide is extremely heat resistant and used for high speed applications on cast iron, non-ferrous materials, plastics, and other tough-to-machine materials. It is commonly used in high performance applications.
Sira, also known as Siron-A , is a coatings that offers heat resistance, allows for smooth chip flows and enhances tool life. It is used on a variety of materials including steel, stainless steel and cast iron. Siron-A is a proprietary coating exclusive to Seco Tools, Inc.
Product Specifications
Cutter Head Diameter (mm) 12.00
Included Angle A 60
Chamfer Mill Material Solid Carbide
Chamfer Mill Finish/Coating SIRA
Overall Length (mm) 83
Shank Diameter (mm) 12
Number of Flutes 4
End Type Single
Length of Cut (Decimal Inch) 0.3270
Cutting Direction Right Hand
Tool Application Chamfering
Series/List JS506

$98.58

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

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

Komet - 6mm Diam 3 Flute Single End Solid Carbide Chamfer Mill - USA Tool & Supply

Komet - 6mm Diam 3 Flute Single End Solid Carbide Chamfer Mill


Item #: 66177833
Brand: Komet
Model #: 70920557030600

Features and Benefits

Solid carbide is extremely heat resistant and used for high speed applications on cast iron, non-ferrous materials, plastics, and other tough-to-machine materials. It is commonly used in high performance applications.
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
Cutter Head Diameter (mm) 6.00
Included Angle A 60
Chamfer Mill Material Solid Carbide
Chamfer Mill Finish/Coating TiAlN
Overall Length (mm) 57.00
Shank Diameter (mm) 6.00
Number of Flutes 3
End Type Single
Cutting Direction Right Hand
Tool Application Chamfering; Deburring
Material Application Alloys; Carbon Steel; Cast Iron; Hard Alloys; Non-Ferrous Metals; Plastic; Stainless Steel; Steel
Storage Unit Type None
Series/List JEL

$51.42

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

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

Seco - 10mm Diam 4 Flute Single End Solid Carbide Chamfer Mill - USA Tool & Supply

Seco - 10mm Diam 4 Flute Single End Solid Carbide Chamfer Mill


Item #: 81019309
Brand: Seco
Model #: 02881629

Features and Benefits

Solid carbide is extremely heat resistant and used for high speed applications on cast iron, non-ferrous materials, plastics, and other tough-to-machine materials. It is commonly used in high performance applications.
Sira, also known as Siron-A , is a coatings that offers heat resistance, allows for smooth chip flows and enhances tool life. It is used on a variety of materials including steel, stainless steel and cast iron. Siron-A is a proprietary coating exclusive to Seco Tools, Inc.
Product Specifications
Cutter Head Diameter (mm) 10.00
Included Angle A 60
Chamfer Mill Material Solid Carbide
Chamfer Mill Finish/Coating SIRA
Overall Length (mm) 72
Shank Diameter (mm) 10
Number of Flutes 4
End Type Single
Length of Cut (Decimal Inch) 0.2720
Cutting Direction Right Hand
Tool Application Chamfering
Series/List JS506

$69.09

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

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

Walter-Prototyp - 1mm Diam Solid Carbide Chamfer Mill - USA Tool & Supply

Walter-Prototyp - 1mm Diam Solid Carbide Chamfer Mill


Item #: 47276134
Brand: Walter-Prototyp
Model #: 6959855

Features and Benefits

Solid carbide is extremely heat resistant and used for high speed applications on cast iron, non-ferrous materials, plastics, and other tough-to-machine materials. It is commonly used in high performance applications.
Product Specifications
Cutter Head Diameter (mm) 1.00
Chamfer Mill Material Solid Carbide
Overall Length (mm) 57
Shank Diameter (mm) 6
Cutting Direction Right Hand
Cutter Head Diameter (Decimal Inch) 0.0390
Shank Diameter (Decimal Inch) 0.236
Overall Length (Decimal Inch) 2.244
Series/List MC501-A-L

$44.25

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

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

Allied Machine and Engineering - Adjustable Stop Countersink Cage - USA Tool & Supply

Allied Machine and Engineering - Adjustable Stop Countersink Cage


Item #: 12311569
Brand: Allied Machine and Engineering
Model #: RDCI-400-00500

Product Specifications

Adjustable Stop Countersink Cage -
Type Countersink Cage

$295.52

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

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

Allied Machine and Engineering - Adjustable Stop Replacement Roll - USA Tool & Supply

Allied Machine and Engineering - Adjustable Stop Replacement Roll


Item #: 12313342
Brand: Allied Machine and Engineering
Model #: RDRY-701-00218

Product Specifications

Adjustable Stop Replacement Roll -
Type Replacement Roll

$9.41

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

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

Allied Machine and Engineering - Adjustable Stop Replacement Cone - USA Tool & Supply

Allied Machine and Engineering - Adjustable Stop Replacement Cone


Item #: 12314555
Brand: Allied Machine and Engineering
Model #: RDTR-072-00001

Product Specifications

Adjustable Stop Replacement Cone -
Type Replacement Cone

$236.12

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

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

Allied Machine and Engineering - Adjustable Stop Countersink Cage - USA Tool & Supply

Allied Machine and Engineering - Adjustable Stop Countersink Cage


Item #: 12316675
Brand: Allied Machine and Engineering
Model #: RSCS-015-00286

Product Specifications

Adjustable Stop Countersink Cage -
Type Countersink Cage

$933.57

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

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

Allied Machine and Engineering - Adjustable Stop Countersink Cage - USA Tool & Supply

Allied Machine and Engineering - Adjustable Stop Countersink Cage


Item #: 12311957
Brand: Allied Machine and Engineering
Model #: RDCO-011-00128

Product Specifications

Adjustable Stop Countersink Cage -
Type Countersink Cage

$460.85

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

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

Allied Machine and Engineering - Adjustable Stop Replacement Cone - USA Tool & Supply

Allied Machine and Engineering - Adjustable Stop Replacement Cone


Item #: 12314118
Brand: Allied Machine and Engineering
Model #: RDTI-031-10034

Product Specifications

Adjustable Stop Replacement Cone -
Type Replacement Cone

$112.37

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

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