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 | A1 Tooling - (6386 Products)


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


Item #: 66177825
Brand: Komet
Model #: 70921557030600

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 90
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

$51.30

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


Item #: 12315982
Brand: Allied Machine and Engineering
Model #: RSCN-015-00152

Product Specifications

Adjustable Stop Countersink Cage -
Type Countersink Cage

$401.94

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 - Countersink Inserts


Item #: 31918733
Brand: Value Collection
Model #:

Product Specifications
PSC Code 5133

$29.28

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 - 2-1/2" OAL, 3/8" Head Diam, 2 Flute, 100° Incl Angle, Integral Pilot, Adjustable Stop Countersink


Item #: 04615407
Brand: Made in USA
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.
Straight shanks are used for general purpose applications. The shank is smaller than the drill bit diameter. They are used with portable drills and drill presses on ferrous and non-ferrous materials.
Product Specifications
Head Diameter (Inch) 3/8
Included Angle 100
Countersink Material High Speed Steel
Shank Thread Size 1/4-28
Overall Length (Inch) 2-1/2
Pilot Type Integral
Pilot Diameter (Inch) 1/4
Pilot Diameter (Decimal Inch) 0.2500
Number of Flutes 2
Countersink Finish/Coating Bright
Attachment Method Threaded Shank
Shank Length (Inch) 1-3/4
Shank Diameter (Inch) 3/16
Shank Type Straight
Countersink Application Countersinking
Cutting Direction Right Hand
Centerline Angle 50

$34.66

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


Item #: 12315933
Brand: Allied Machine and Engineering
Model #: RSCN-015-00150

Product Specifications

Adjustable Stop Countersink Cage -
Type Countersink Cage

$401.94

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

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

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


Item #: 66172727
Brand: Komet
Model #: 70921572041000

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) 10.00
Included Angle A 90
Chamfer Mill Material Solid Carbide
Chamfer Mill Finish/Coating TiAlN
Overall Length (mm) 72.00
Shank Diameter (mm) 10.00
Number of Flutes 4
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

$89.65

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


Item #: 81019168
Brand: Seco
Model #: 02881641

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 90
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) 0.1570
Cutting Direction Right Hand
Tool Application Chamfering
Series/List JS509

$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

Allied Machine and Engineering - Adjustable Stop Countersink Cage


Item #: 12311262
Brand: Allied Machine and Engineering
Model #: RDCH-011-20030

Product Specifications

Adjustable Stop Countersink Cage -
Type Countersink Cage

$401.94

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


Item #: 12315925
Brand: Allied Machine and Engineering
Model #: RSCL-015-00068

Product Specifications

Adjustable Stop Countersink Cage -
Type Countersink Cage

$354.42

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

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

Hertel - 1/4" Head Diam, 1/4" Shank Diam, 6 Flute 60° High Speed Steel Countersink


Item #: 89330062
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) 1/4
Number of Flutes 6
Included Angle 60
Countersink Material High Speed Steel
Shank Diameter (Inch) 1/4
Shank Length (Inch) 1
Overall Length (Inch) 2
Shank Type Straight
PSC Code 5133

$11.37

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


Item #: 12313466
Brand: Allied Machine and Engineering
Model #: RDRY-706-00218

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

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


Item #: 95431573
Brand: Magafor
Model #: 84436310000

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
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

$111.99

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

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

Guhring - Chamfer Mills Cutter Head Diameter (mm): 8.00 Included Angle A: 90


Item #: 19212208
Brand: Guhring
Model #: 9069920080000

Features and Benefits

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

Chamfer Mills; Cutter Head Diameter (mm): 8.00 ; Included Angle A: 90 ; Chamfer Mill Material: Carbide ; Chamfer Mill Finish/Coating: TiAlN ; Overall Length (mm): 63.00 ; Overall Length (Inch): 2.48032
Cutter Head Diameter (mm) 8.00
Included Angle A 90
Chamfer Mill Material Carbide
Chamfer Mill Finish/Coating TiAlN
Overall Length (mm) 63.00
Overall Length (Inch) 2.48032
Shank Diameter (mm) 8
Shank Diameter (Inch) 0.315
Number of Flutes 5
Length of Cut (Decimal Inch) 0.1181
Cutting Direction Right
Material Application Stainless; Steel; Aluminium Alloy; Tin
Cutter Head Diameter (Decimal Inch) 0.3150
Shank Diameter (Decimal Inch) 0.315
Overall Length (Decimal Inch) 2.48032
Length of Cut (mm) 3.0000
Series/List 6992

$88.02

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

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

Brand: Panduit / Part #: S6-14R-T


Item #: 30976997
Brand: Panduit
Model #: S6-14R-T

Product Specifications

Terminal Type Circular
Insulation Type Non-Insulated
Connection Type Compression
Compatible Wire Size (AWG) 6
Stud Size (Inch) 1/4
Contact Material Copper
Contact Plating TiN
Thickness (mm) 2.03
Thickness (Decimal Inch - 4 Decimals) 0.0800
Ring Width (mm) 12.19
Ring Width (Decimal Inch) 0.4800
Overall Length (mm) 33.02
Overall Length (Decimal Inch) 1.3000

$1.82

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

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

3M Cloth Belt 341D 80 X-weight 2″ × 48″ Film-lok Single-flex


Item #: TM1026562
Brand: 3M
Model #: 7000118793

Product Specifications
Width 2″
For Use With Backstand and Benchtop Belts
Length 48″
Backing Weight X
Abrasive Material Aluminum Oxide
Color Brown
Grit 80
Standard Pack 25
Backing Material Cloth
Series 341D

$4.47

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

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

Zephyr Tool Group - 5/8" Cutter Capacity, 1/4-28 Steel Adjustable Stop Countersink Cage


Item #: 32243370
Brand: Zephyr Tool Group
Model #: ZT330-S

Product Specifications
Type Countersink Cage
Thread Size 1/4-28
Cutter Capacity (Inch) 5/8
Overall Length (Inch) 3-9/16
Depth Adjustment (Decimal Inch) 0.2810
Material Steel
Shaft Diameter (Inch) 1/4
Shaft Type Round
PSC Code 5133

$133.65

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

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

Guhring - Chamfer Mills Cutter Head Diameter (mm): 20.00 Included Angle A: 90


Item #: 19212737
Brand: Guhring
Model #: 9069930200000

Features and Benefits

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

Chamfer Mills; Cutter Head Diameter (mm): 20.00 ; Included Angle A: 90 ; Chamfer Mill Material: Carbide ; Chamfer Mill Finish/Coating: TiAlN ; Overall Length (mm): 104.00 ; Overall Length (Inch): 4.09449
Cutter Head Diameter (mm) 20.00
Included Angle A 90
Chamfer Mill Material Carbide
Chamfer Mill Finish/Coating TiAlN
Overall Length (mm) 104.00
Overall Length (Inch) 4.09449
Shank Diameter (mm) 20.00
Shank Diameter (Inch) 0.7874
Number of Flutes 5
Length of Cut (Decimal Inch) 0.2953
Cutting Direction Right
Material Application Stainless; Steel; Aluminium Alloy; Tin
Cutter Head Diameter (Decimal Inch) 0.7874
Shank Diameter (Decimal Inch) 0.7874
Overall Length (Decimal Inch) 4.09449
Length of Cut (mm) 7.5000
Series/List 6993

$340.84

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

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

OSG - 1/2" Head Diam, 1/4" Shank Diam, 24 Flute 90° Solid Carbide Countersink


Item #: 55468169
Brand: OSG
Model #: 701-5002

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 (mm) 12.70
Head Diameter (Inch) 1/2
Head Diameter (Decimal Inch) 0.5000
Number of Flutes 24
Included Angle 90
Countersink Material Solid Carbide
Countersink Finish/Coating Bright
Shank Diameter (Inch) 1/4
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; Cast Iron; Hardened Steel; High Carbon Steel

$36.92

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


Item #: 12313227
Brand: Allied Machine and Engineering
Model #: RDCU-011-01570

Product Specifications

Adjustable Stop Countersink Cage -
Type Countersink Cage

$1,358.78

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

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

SGS - 3/4" Head Diam, 1/2" Shank Diam, 1 Flute 60° Solid Carbide Countersink


Item #: 40979858
Brand: SGS
Model #: 74019

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) 3/4
Head Diameter (Decimal Inch) 0.7500
Number of Flutes 1
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) 3/4
Overall Length (Inch) 3
Overall Length (Decimal Inch) 3.0000
Countersink Application Countersinking
End Type Single
Shank Type Straight
Shank Material Steel
Includes Pilot No
Countersink Head Only No
Attachment Method Shank
Cutting Direction Right Hand
Maximum Cutting Diameter (Decimal Inch) 0.7500
PSC Code 5133
Material Application Cast Iron; Composites; High Temperature Alloys; Non-Ferrous Metals; Plastics; Stainless Steel; Steel; Titanium

$80.01

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

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