Email: sales@a1tooling.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 Products - Countersinks, Chamfer Mills & Back Chamfers For Sale | A1 Tooling - (6386 Products)

M.A. Ford - 1" Head Diam, 1/2" Shank Diam, 1 Flute 90° Solid Carbide Countersink - A1 Tooling

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

Keo - 3/8" Head Diam, 1/4" Shank Diam, 0 Flute 60° Cobalt Countersink - A1 Tooling

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 - 3/8" Head Diam, 3/8" Shank Diam, 1 Flute 60° Solid Carbide Countersink - A1 Tooling

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

Hertel - 3/4" Head Diam, 3/4" Shank Diam, 4 Flute 110° Solid Carbide Countersink - A1 Tooling

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 - A1 Tooling

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 - A1 Tooling

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 - A1 Tooling

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 - A1 Tooling

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

Hertel - 3/8" Head Diam, 3/8" Shank Diam, 6 Flute 100° High Speed Steel Countersink - A1 Tooling

Hertel - 3/8" Head Diam, 3/8" Shank Diam, 6 Flute 100° High Speed Steel Countersink


Item #: 89330450
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) 3/8
Number of Flutes 6
Included Angle 100
Countersink Material High Speed Steel
Shank Diameter (Inch) 3/8
Overall Length (Inch) 2-1/2
Shank Type Straight
PSC Code 5133

$24.12

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

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

Hertel - 3/16" Head Diam, 3/16" Shank Diam, 4 Flute 60° High Speed Steel Countersink - A1 Tooling

Hertel - 3/16" Head Diam, 3/16" Shank Diam, 4 Flute 60° High Speed Steel Countersink


Item #: 89335814
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) 3/16
Number of Flutes 4
Included Angle 60
Countersink Material High Speed Steel
Shank Diameter (Inch) 3/16
Overall Length (Inch) 1-7/8
Shank Type Straight
PSC Code 5133

$24.04

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

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

Hertel - 5/16" Head Diam, 5/16" Shank Diam, 6 Flute 120° High Speed Steel Countersink - A1 Tooling

Hertel - 5/16" Head Diam, 5/16" Shank Diam, 6 Flute 120° High Speed Steel Countersink


Item #: 89331367
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) 5/16
Number of Flutes 6
Included Angle 120
Countersink Material High Speed Steel
Shank Diameter (Inch) 5/16
Overall Length (Inch) 2-1/2
Shank Type Straight
PSC Code 5133

$22.09

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, 6 Flute 90° High Speed Steel Countersink - A1 Tooling

M.A. Ford - 1/8" Head Diam, 1/8" Shank Diam, 6 Flute 90° High Speed Steel Countersink


Item #: 92248111
Brand: M.A. Ford
Model #: 79T012503

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 6
Included Angle 90
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
PSC Code 5133

$12.75

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

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

Hertel - 5/16" Head Diam, 1/4" Shank Diam, 4 Flute 100° High Speed Steel Countersink - A1 Tooling

Hertel - 5/16" Head Diam, 1/4" Shank Diam, 4 Flute 100° High Speed Steel Countersink


Item #: 89329916
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) 5/16
Number of Flutes 4
Included Angle 100
Countersink Material High Speed Steel
Shank Diameter (Inch) 1/4
Overall Length (Inch) 1-3/4
Shank Type Straight
PSC Code 5133

$17.15

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 100° High Speed Steel Countersink - A1 Tooling

Precision Twist Drill - 5/8" Head Diam, 3/8" Shank Diam, 3 Flute 100° High Speed Steel Countersink


Item #: 78581774
Brand: Precision Twist Drill
Model #: 5011111

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 100
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 50
PSC Code 5133

$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

Melin Tool - 1-1/4" Head Diam, 3/4" Shank Diam, 6 Flute 90° High Speed Steel Countersink - A1 Tooling

Melin Tool - 1-1/4" Head Diam, 3/4" Shank Diam, 6 Flute 90° High Speed Steel Countersink


Item #: 57794851
Brand: Melin Tool
Model #: 19318

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 90
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
PSC Code 5133
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

Interstate - 5/8" Head Diam, 1/2" Shank Diam, 1 Flute 60° High Speed Steel Countersink - A1 Tooling

Interstate - 5/8" Head Diam, 1/2" Shank Diam, 1 Flute 60° High Speed Steel Countersink


Item #: 02450401
Brand: Interstate
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.
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 60
Countersink Material High Speed Steel
Countersink Finish/Coating Bright
Shank Diameter (Inch) 1/2
Overall Length (Inch) 2-1/4
Countersink Application Countersinking
End Type Single
Shank Type Straight
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 30
PSC Code 5133

$17.28

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 - 1/2" Head Diam, 3/8" Shank Diam, 4 Flute 100° High Speed Steel Countersink - A1 Tooling

Melin Tool - 1/2" Head Diam, 3/8" Shank Diam, 4 Flute 100° High Speed Steel Countersink


Item #: 57831851
Brand: Melin Tool
Model #: 18634

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) 1/2
Head Diameter (Decimal Inch) 0.5000
Number of Flutes 4
Included Angle 100
Countersink Material High Speed Steel
Countersink Finish/Coating Oxide
Shank Diameter (Decimal Inch) 0.3750
Shank Diameter (Inch) 3/8
Maximum Cutting Diameter (Inch) 1/2
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

$31.01

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

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

Hertel - 1-1/2" Head Diam, 3/4" Shank Diam, 4 Flute 120° High Speed Steel Countersink - A1 Tooling

Hertel - 1-1/2" Head Diam, 3/4" Shank Diam, 4 Flute 120° High Speed Steel Countersink


Item #: 89330740
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) 1-1/2
Number of Flutes 4
Included Angle 120
Countersink Material High Speed Steel
Shank Diameter (Inch) 3/4
Overall Length (Inch) 3-1/2
Shank Type Straight
PSC Code 5133

$163.05

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, 4 Flute 90° Solid Carbide Countersink - A1 Tooling

Melin Tool - 1/4" Head Diam, 1/4" Shank Diam, 4 Flute 90° Solid Carbide Countersink


Item #: 57809006
Brand: Melin Tool
Model #: 19014

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) 1/4
Head Diameter (Decimal Inch) 0.2500
Number of Flutes 4
Included Angle 90
Countersink Material Solid Carbide
Countersink Finish/Coating Bright
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 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

$62.74

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

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

Hertel - 5/16" Head Diam, 5/16" Shank Diam, 4 Flute 90° Solid Carbide Countersink - A1 Tooling

Hertel - 5/16" Head Diam, 5/16" Shank Diam, 4 Flute 90° Solid Carbide Countersink


Item #: 89335053
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) 5/16
Number of Flutes 4
Included Angle 90
Countersink Material Solid Carbide
Shank Diameter (Inch) 5/16
Overall Length (Inch) 2-1/8
Shank Type Straight
PSC Code 5133

$107.60

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

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