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Best Countersinks - Buying Guide

Last Updated: 06/18/2019

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Bestselling Countersinks on Amazon

  1. KEO 53512 Cobalt Steel Single-End Countersink, Uncoated (Bright) Finish, 82 Degree Point Angle, Roun...
  2. KEO 53511 Cobalt Steel Single-End Countersink, Uncoated (Bright) Finish, 82 Degree Point Angle, Roun...
  3. KEO 53522, 1/2" Body Diameter 90 Degree Zero Flute Cobalt Deburring Tool,
  4. KEO 53530 Cobalt Steel Single-End Countersink, TiN Coated, 100 Degree Point Angle, Round Shank, 1/4"...
  5. KEO 53525 Cobalt Steel Single-End Countersink, Uncoated (Bright) Finish, 90 Degree Point Angle, Roun...
  6. Kodiak Cutting Tools 118677W Combined Drill and Countersink Set, Sizes #1-#5, 60 Degree HSS with Cas...
  7. 1" 90 Degree HIGH Speed Steel Single Flute Countersink 1/2" Shank
  8. 5pcs HSS 60 Degree Combined Lathe Mill Center Drill bit Countersink Bit Set Tool
  9. NOGA RD2010 ROTODRIVE SETCOUNTERSINK
  10. KEO 50058 Cobalt Steel Single-End Countersink Set, Uncoated (Bright) Finish, Single Flute, 82 Degree...

  #1

KEO 53512 Cobalt Steel Single-End Countersink, Uncoated (Bright) Finish, 82 Degree Point Angle, Round Shank, 5/16" Shank Diameter, 1/2" Body Diameter

Model: 53512   |    Mpn: 53512   |    Ean: 9145312036956   |    PartNumber: 53512   |   Asin: B00947BQ08

KEO ZErO flute countersink and deburring tools are simple, all-purpose tools made of Cobalt that provide flawless countersinking and deburring. The chatter-free cutting action requires minimal power. The microsmooth CNC precision ground construction produces clean, smooth cutting without smearing on a variety of materials. The tool especially excels in countersinking or deburring holes in aluminum, plastics and other nonmetallics. Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys. Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications. Round shanks allow use with a wide variety of toolholding systems. When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging. 82 degree angle.

Features

  • Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys
  • Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications
  • Round shanks allow use with a wide variety of toolholding systems
  • When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
  • 82 degree angle
  • See more on Amazon...

Brand: KEO Cutters   |   Manufacturer: Keo

Item Dimensions: 0.5 x 0.5 x 3 inches (1.3 x 1.3 x 7.6 cm)   |   Package Dimensions: 0.6 x 0.7 x 2.4 inches (1.5 x 1.8 x 6.1 cm)

Amazon Price: $17.34 | as of 06/18/2019(10:14am pst)
Availibility: Usually ships in 24 hours
List Price: $18.01

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  #2

KEO 53511 Cobalt Steel Single-End Countersink, Uncoated (Bright) Finish, 82 Degree Point Angle, Round Shank, 1/4" Shank Diameter, 3/8" Body Diameter

Model: 53511   |    Mpn: 53511   |    PartNumber: 53511   |   Asin: B00947BOYQ

KEO ZErO flute countersink and deburring tools are simple, all-purpose tools made of Cobalt that provide flawless countersinking and deburring. The chatter-free cutting action requires minimal power. The microsmooth CNC precision ground construction produces clean, smooth cutting without smearing on a variety of materials. The tool especially excels in countersinking or deburring holes in aluminum, plastics and other nonmetallics. Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys. Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications. Round shanks allow use with a wide variety of toolholding systems. When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging. 82 degree angle.

Features

  • Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys
  • Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications
  • Round shanks allow use with a wide variety of toolholding systems
  • When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
  • 82 degree angle
  • See more on Amazon...

Brand: KEO Cutters   |   Manufacturer: Keo

Item Dimensions: 0.4 x 0.4 x 1.8 inches (1.0 x 1.0 x 4.6 cm)   |   Package Dimensions: 0.4 x 0.5 x 2.2 inches (1.0 x 1.3 x 5.6 cm)

Amazon Price: $15.98 | as of 06/18/2019(10:14am pst)
Availibility: Usually ships in 24 hours
List Price: $15.98

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  #3

KEO 53522, 1/2" Body Diameter 90 Degree Zero Flute Cobalt Deburring Tool,

Model: 53522   |    Mpn: 53522   |    PartNumber: 53522   |   Asin: B00KTTR45Q

The tool especially excels in countersinking or deburring holes in aluminum, plastics and other nonmetallics.

Features

  • KEO ZErO flute countersink and deburring tools are simple, all-purpose tools made of Colbalt that provide flawless countersinking and deburring
  • The chatter-free cutting action requires minimal power The micro-smooth CNC precision ground construction produces clean, smooth cutting without smearing on a variety of materials
  • Single flute countersinks
  • See more on Amazon...

Brand: KEO Cutters   |   Manufacturer: Keo

Package Dimensions: 0.6 x 0.6 x 2.6 inches (1.5 x 1.5 x 6.6 cm)

Amazon Price: $17.34 | as of 06/18/2019(10:14am pst)
Availibility: Usually ships in 24 hours
List Price: $18.75

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  #4

KEO 53530 Cobalt Steel Single-End Countersink, TiN Coated, 100 Degree Point Angle, Round Shank, 1/4" Shank Diameter, 5/16" Body Diameter

Model: 53530-TiN   |    Mpn: 53530-TiN   |    PartNumber: 53530-TiN   |   Asin: B00948QTWM

KEO ZErO flute countersink and deburring tools are simple, all-purpose tools made of Cobalt that provide flawless countersinking and deburring. The chatter-free cutting action requires minimal power. The microsmooth CNC precision ground construction produces clean, smooth cutting without smearing on a variety of materials. The tool especially excels in countersinking or deburring holes in aluminum, plastics and other nonmetallics. Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys. Titanium nitride coatings add a hard layer of gold-colored ceramic to the surface that extends tool life and permits faster cutting speeds than uncoated tools. Round shanks allow use with a wide variety of toolholding systems. When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging. 100 degree angle.

Features

  • Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys
  • Titanium nitride coatings add a hard layer of gold-colored ceramic to the surface that extends tool life and permits faster cutting speeds than uncoated tools
  • Round shanks allow use with a wide variety of toolholding systems
  • When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
  • 100 degree angle
  • See more on Amazon...

Brand: KEO Cutters   |   Manufacturer: Keo

Package Dimensions: 0.4 x 0.5 x 2.1 inches (1.0 x 1.3 x 5.3 cm)

First Available: 2017-05-15

Amazon Price: $16.84 | as of 06/18/2019(10:14am pst)
Availibility: Usually ships in 24 hours
List Price: $16.84

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  #5

KEO 53525 Cobalt Steel Single-End Countersink, Uncoated (Bright) Finish, 90 Degree Point Angle, Round Shank, 3/8" Shank Diameter, 1" Body Diameter

Model: 53525   |    Mpn: 53525   |    PartNumber: 53525   |   Asin: B00947C51M

KEO ZErO flute countersink and deburring tools are simple, all-purpose tools made of Cobalt that provide flawless countersinking and deburring. The chatter-free cutting action requires minimal power. The microsmooth CNC precision ground construction produces clean, smooth cutting without smearing on a variety of materials. The tool especially excels in countersinking or deburring holes in aluminum, plastics and other nonmetallics. Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys. Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications. Round shanks allow use with a wide variety of toolholding systems. When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging. 90 degree angle.

Features

  • Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys
  • Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications
  • Round shanks allow use with a wide variety of toolholding systems
  • When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
  • 90 degree angle
  • See more on Amazon...

Brand: KEO Cutters   |   Manufacturer: Keo

Package Dimensions: 1.1 x 1.2 x 2.6 inches (2.8 x 3.0 x 6.6 cm)

Amazon Price: $37.69 | as of 06/18/2019(10:14am pst)
Availibility: Usually ships in 24 hours
List Price: $37.70

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  #6

Kodiak Cutting Tools 118677W Combined Drill and Countersink Set, Sizes #1-#5, 60 Degree HSS with Case (Pack of 5)

Model: KCT118677W   |    Mpn: 118677W   |    PartNumber: 118677W   |   Asin: B01DQVPYMI

This set is a must have for any machinist, handyman or cutting tool consumer of any kind. Provided in a handy twist top wooden case, these bits are used for a combined drilling and Countersinking operation. These are often used to create centers on workpieces to be held on lathes.

Features

  • Contains premium quality high speed steel combined drill and countersinks
  • Includes industry standard sizes #1 through #5
  • Made from premium grade high speed steel in the USA
  • Hardwood case features a handy twist top to keep the Tools secure
  • Double-end bits for Twice the tool life
  • See more on Amazon...

Brand: Kodiak Cutting Tools   |   Manufacturer: Kodiak Cutting Tools

Package Dimensions: 2.3 x 4.1 x 4.2 inches (5.8 x 10.4 x 10.7 cm)

Amazon Price: $35.99 | as of 06/18/2019(10:14am pst)
Availibility: Usually ships in 24 hours
List Price: $35.99

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  #7

1" 90 Degree HIGH Speed Steel Single Flute Countersink 1/2" Shank

Model: 13506402   |    Mpn: 13506402   |    PartNumber: 13506402   |   Asin: B07NC76N71

1"90 DEGREEHIGH SPEED STEEL SINGLE FLUTE COUNTERSINK
2" Overall Length
1/2" Shank
Quality Import

Features

Brand: Generic   |   Manufacturer: Unbranded/Generic

Package Dimensions: 2 x 2 x 2 inches (5.1 x 5.1 x 5.1 cm)

Amazon Price: $24.29 | as of 06/18/2019(10:14am pst)
Availibility: Usually ships in 24 hours
List Price: $24.29

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  #8

5pcs HSS 60 Degree Combined Lathe Mill Center Drill bit Countersink Bit Set Tool

 Ean: 0745360527292   |    PartNumber: 55276-US1   |   Asin: B01FE4NLM0

Features:

Material HSS
Color :Silver Tone
High Speed Steel
Standard 60 degree included angle
precision import
double ended

Specification:

This listing is for a set of 5 HSS Center Drills
Each drill has a double end and is ground with a standard 60 degree included angle
The set includes 1 each of the following sizes:
#1 with 3mm body diameter & 1mm drill tip diameter
#2 with 4mm body diameter & 1.5mm drill tip diameter
#3 with 6mm body diameter & 2.5mm drill tip diameter
#4 with 8mm body diameter & 3.15 drill tip diameter
#5 with 12mm body diameter & 5mm drill tip diameter

Usage:

Center and spotting drills are traditionally used to make a conical hole for a lathe center in order to make a starting point for a standard twist drill, designed to prevent the twist drill from walking
Used for producing center holds in components or work pieces with require machining between centers

Package Included:

1x a set of 5 HSS Center Drills

Features

  • Material and Features: High-speed Steel, high hardness, rustproof, solid, durable and excellent for use.
  • Convenience: Easy to use and install, change bits fast which one-handed load and release.
  • Durable and Resistance: Center drill bit is made of HSS high speed steel, with extremely sharp blade, low consumption and durable with impact resistance, wear resistance.
  • Available for all Kinds of Materials: Metal, Alloy, Copper, Iron, Wood, Aluminum, and so on.
  • Wide Usages: Center drill bits can be used to make conical holes for a lathe center in order to make a starting point for a standard twist drill, designed to prevent the twist drill from walking, as well as for producing center holds in components or work pieces with require machining between centers.
  • See more on Amazon...

Brand: F.L.S   |   Manufacturer: FLS

Package Dimensions: 0.1 x 2.2 x 2.5 inches (0.3 x 5.6 x 6.4 cm)

Amazon Price: $6.99 | as of 06/18/2019(10:14am pst)
Availibility: Usually ships in 24 hours
List Price: $6.99

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  #9

NOGA RD2010 ROTODRIVE SETCOUNTERSINK

Model: RD2010   |    Mpn: RD2010   |    Ean: 0729000539197   |    PartNumber: RD2010   |   Asin: B01M0AFNY5

NOGA Rotodrive Countersink Set - Mfg Number: RD2010

Features

  • The quickest way to chamfer by hand.
  • Single flute countersink provides a smoother cut.
  • See more on Amazon...

Brand: Noga   |   Manufacturer: NOGA

Amazon Price: $71.99 | as of 06/18/2019(10:14am pst)
Availibility: Usually ships in 2-3 business days
List Price: $71.99

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  #10

KEO 50058 Cobalt Steel Single-End Countersink Set, Uncoated (Bright) Finish, Single Flute, 82 Degree Angle, 1/4" - 1" Body Diameter

Model: 50058   |    Mpn: 50058   |    PartNumber: 50058   |   Asin: B009478ODA

Each 5-piece set includes one piece each of 1/4, 3/8, 1/2, 3/4, 1" body diameter with a particular included point angle. ISO 9001:2008 certified. Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys. Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications. 82 degree angle.

Features

  • Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys
  • Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications
  • 82 degree angle
  • Each 5-piece set includes one piece each of 1/4, 3/8, 1/2, 3/4, 1 body diameter with a particular included point angle
  • ISO 9001:2008 certified
  • See more on Amazon...

Brand: KEO Cutters   |   Manufacturer: Keo

Package Dimensions: 2.3 x 3.5 x 5.7 inches (5.8 x 8.9 x 14.5 cm)

Amazon Price: $116.93 | as of 06/18/2019(10:14am pst)
Availibility:
List Price: $116.93

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  #11

KEO 53510 Cobalt Steel Single-End Countersink, Uncoated (Bright) Finish, 82 Degree Point Angle, Round Shank, 1/4" Shank Diameter, 5/16" Body Diameter

Model: 53510   |    Mpn: 53510   |    Ean: 7241871119627   |    PartNumber: 53510   |   Asin: B00947BNFG

KEO ZErO flute countersink and deburring tools are simple, all-purpose tools made of Cobalt that provide flawless countersinking and deburring. The chatter-free cutting action requires minimal power. The microsmooth CNC precision ground construction produces clean, smooth cutting without smearing on a variety of materials. The tool especially excels in countersinking or deburring holes in aluminum, plastics and other nonmetallics. Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys. Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications. Round shanks allow use with a wide variety of toolholding systems. When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging. 82 degree angle.

Features

  • Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys
  • Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications
  • Round shanks allow use with a wide variety of toolholding systems
  • When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
  • 82 degree angle
  • See more on Amazon...

Brand: KEO Cutters   |   Manufacturer: Keo

Item Dimensions: 0.5 x 0.5 x 3 inches (1.3 x 1.3 x 7.6 cm)   |   Package Dimensions: 0.5 x 0.5 x 2 inches (1.3 x 1.3 x 5.1 cm)

Amazon Price: $13.36 | as of 06/18/2019(10:14am pst)
Availibility: Usually ships in 24 hours
List Price: $13.36

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  #12

KEO 53513 Cobalt Steel Single-End Countersink, Uncoated (Bright) Finish, 82 Degree Point Angle, Round Shank, 3/8" Shank Diameter, 5/8" Body Diameter

Model: 53513   |    Mpn: 53513   |    PartNumber: 53513   |   Asin: B00947BR7A

KEO ZErO flute countersink and deburring tools are simple, all-purpose tools made of Cobalt that provide flawless countersinking and deburring. The chatter-free cutting action requires minimal power. The microsmooth CNC precision ground construction produces clean, smooth cutting without smearing on a variety of materials. The tool especially excels in countersinking or deburring holes in aluminum, plastics and other nonmetallics. Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys. Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications. Round shanks allow use with a wide variety of toolholding systems. When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging. 82 degree angle.

Features

  • Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys
  • Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications
  • Round shanks allow use with a wide variety of toolholding systems
  • When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
  • 82 degree angle
  • See more on Amazon...

Brand: KEO Cutters   |   Manufacturer: Keo

Item Dimensions: 1 x 1 x 3 inches (2.5 x 2.5 x 7.6 cm)   |   Package Dimensions: 0.9 x 1 x 2.3 inches (2.3 x 2.5 x 5.8 cm)

Amazon Price: $19.91 | as of 06/18/2019(10:14am pst)
Availibility: Usually ships in 24 hours
List Price: $20.30

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  #13

HHIP 2001-2000 1 Inch 82 Degree 3 Flute HSS Countersink

Model: 2001-2000   |    Mpn: 2001-2000   |    Ean: 0769053005133   |    PartNumber: 2001-2000   |   Asin: B00N408Z4G

Utilized in countersinking screw and rivet heads and for centering lathe work. 3-Flute eliminates chatter in most applications, while providing better accuracy than a single flute countersink.

Features

  • Cutter Diameter (Inch) 1; Shank Diameter 1/2
  • Length Approx. 3-1/2
  • Utilized in countersinking screw and rivet heads and for centering lathe work
  • 3-Flute eliminates chatter in most applications, while providing better accuracy than a single flute countersink.; High speed steel
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Brand: HHIP   |   Manufacturer: HHIP

Item Dimensions: 1 x 4 x 2 inches (2.5 x 10.2 x 5.1 cm)   |   Package Dimensions: 1.5 x 1.5 x 3.3 inches (3.8 x 3.8 x 8.4 cm)

Amazon Price: $31.71 | as of 06/18/2019(10:14am pst)
Availibility: Usually ships in 24 hours
List Price: $31.71

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  #14

KEO 55051 High-Speed Steel Single-End Countersink, Uncoated (Bright) Finish, 6 Flutes, 90 Degree Point Angle, Round Shank, 1/2" Shank Diameter, 1" Body Diameter

Model: 55051   |    Mpn: 55051   |    Ean: 0735329550515   |    PartNumber: 55051   |   Asin: B00947DAB6

KEO 6-flute line of countersinks are companions to our single flute countersinks and our 3- and 4-flute center reamer line. As a rule, the more edges per revolution, the greater amount of material that may be removed. We have designed the 6-flute tools with staggered cutting edges. High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications. Round shanks allow use with a wide variety of toolholding systems. When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging. 90 degree angle.

Features

  • High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
  • Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications
  • Round shanks allow use with a wide variety of toolholding systems
  • When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
  • 90 degree angle
  • See more on Amazon...

Brand: KEO Cutters   |   Manufacturer: Keo

Package Dimensions: 1.2 x 1.2 x 2.7 inches (3.0 x 3.0 x 6.9 cm)

Amazon Price: $41.90 | as of 06/18/2019(10:14am pst)
Availibility: Usually ships in 24 hours
List Price: $41.90

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  #15

KEO 53518 Cobalt Steel Single-End Countersink Set, Uncoated (Bright) Finish, 82 Degree Point Angle, 5/16" - 5/8" Head Diameter

Model: 53518   |    Mpn: 53518   |    PartNumber: 53518   |   Asin: B00947BWDO

Straight shank, CNC precision cam ground, M35 cobalt, chatter-free cutting action. Made in Great Britain. Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys. Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications. 82 degree angle.

Features

  • Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys
  • Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications
  • 82 degree angle
  • Straight shank, CNC precision cam ground, M35 cobalt, chatter-free cutting action
  • Made in Great Britain
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Brand: KEO Cutters   |   Manufacturer: Keo

Package Dimensions: 1.2 x 3.5 x 5.4 inches (3.0 x 8.9 x 13.7 cm)

Amazon Price: $72.51 | as of 06/18/2019(10:14am pst)
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List Price: $72.51

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  #16

HHIP 2001-0750 3/4 Inch Single Flute 82 Degree HSS Countersink

Model: 2001-0750   |    Mpn: 2001-0750   |    Ean: 0769053005065   |    PartNumber: 2001-0750   |   Asin: B00N408HPI

For portable and machine work when operated at comparatively high speeds Single flutes will countersink holes much smaller than multi-flute tools.

Features

  • Diameter Body 3/4"; End 1/8"
  • Diameter of Shank 1/2; Length Approx. 2-3/4
  • For portable and machine work when operated at comparatively high speeds
  • 82 degrees Single flutes will countersink holes much smaller than multi-flute tools; High speed steel or Cobalt
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Brand: HHIP   |   Manufacturer: HHIP

Item Dimensions: 1 x 4 x 2 inches (2.5 x 10.2 x 5.1 cm)   |   Package Dimensions: 1 x 1 x 3.2 inches (2.5 x 2.5 x 8.1 cm)

Amazon Price: $19.76 | as of 06/18/2019(10:14am pst)
Availibility: Usually ships in 24 hours
List Price: $19.76

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  #17

Proster Center Drill Mill Cutter 5 Pcs Combined Drill 6PCS HSS 4 Flute Straight End Mill Cutters

 Ean: 0757347418332   |    PartNumber: MAXTL285-US   |   Asin: B075KHL9ZR

Center drill
High quality HSS Drill
accurate center holes in material prior to turning, or use as a starter bit for accurate holes
Sizes 1, 2, 3, 4 and 5, 60 tip angles. Mill Cutter
Product Name : End Mill;Material : HSS
Color : Gray
01:1/2"x1/2",Cutting Diameter:1/2", Cutting Depth:1.57", Shank Diameter:1/2"
02:1/4"x1/4",Cutting Diameter:1/4",Cutting Depth:1",Shank Diameter:1/4"
03:3/8"x3/8",Cutting Diameter:3/8",Cutting Depth:/1.7",Shank Diameter:3/8"
04:3/16"x1/4",Cutting Diameter:3/16",Cutting Depth:4/5",Shank Diameter:1/4"
05:5/16"x5/16",Cutting Diameter:5/16",Cutting Depth:1",Shank Diameter:5/16" 06:1/8"x1/4",Cutting Diameter:1/8",Cutting Depth:3/4",Shank Diameter:1/4"
Suit for: Hardness of metal for above 30 degrees Package Content:
5 x center drill
6 x End Mill

Features

  • 5 Pcs HSS 60 Centering Drill & Countersink Bit: used as starter holes to prevent a drill bit from walking
  • 6 Pcs HSS 4 Flute End Mill Cutter:Suit for hardness of metal for above 30 degrees
  • Center Drill Bit Sizes: 1, 2, 3, 4 and 5, 60 tip angles;Material : HSS
  • Application:used for producing center holds in components or work pieces with require machining between center
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Brand: Proster   |   Manufacturer: Proster Trading Limited

Package Dimensions: 0.94 x 3.94 x 6.38 inches (2.4 x 10.0 x 16.2 cm)

Amazon Price: $15.99 | as of 06/18/2019(10:14am pst)
Availibility: Usually ships in 24 hours
List Price: $15.99

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  #18

CDCA-2 #2 Solid Carbide Combined Drill and Countersink

 PartNumber: CDCA-2   |   Asin: B00095LU6Y

60 Degree included angle. Double end.

Features

  • Size: 2
  • Body: 3/16
  • Drill: 5/64
  • Carbide provides long life when drilling abrasive materials.
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Brand: Center Drills   |   Manufacturer: Center Drills

Amazon Price: $13.50 | as of 06/18/2019(10:14am pst)
Availibility: Usually ships in 1-2 business days
List Price: $13.50

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  #19

Dormer A221N4 Centre Drill, Bright Coating, Cobalt High Speed Steel, 0.125" Head Diameter, 1/8" Flute Length

Model: 0241899   |    Mpn: A221N4   |    Ean: 7320760241899   |    PartNumber: A221N4   |   Asin: B003JY5ZJ0

The Dormer A221 series cobalt steel combined drill and countersink has an uncoated (bright) finish and a plain style to create a center hole with a 60-degree countersink that can be used as a center hole for machine centers, and meets United States Cutting Tool Institute (USCTI) standards. The 118-degree conventional point drills a center hole, while the two spiral flutes clear chips away to prevent clogging. Cobalt steel provides extended tool life compared to high-speed steel drill bits, and maintains the tool's toughness and hardness in high drilling temperatures. The uncoated finish has no additional surface treatment or coating. The tool is double-ended to provide two cutting ends. The round shank accommodates most drill chucks.

Combined drill and countersinks are fluted cutting tools that drill a shallow hole with a conical or gradually widened opening, also known as a countersink, into the surface of a workpiece. These tools, also called combined drill countersinks, drill-point countersinks or center drills, are commonly used to create center holes that act as a bearing surface for a machine center. Some types reduce the two-step process of creating a countersunk pilot hole into one.

Dormer Pramet manufactures cutting tools under the following brands: Precision Twist Drill, Dormer, Union Butterfield and Pramet. The company has locations around the world, and provides tools adhering to ANSI, NAS, and DIN standards.

Features

  • Plain-style combined drill and countersink creates a 60-degree countersink, which can be used as a center hole for machine centers
  • 118-degree conventional point drills a center hole while the two spiral flutes clear chips away to prevent clogging
  • Cobalt steel provides extended tool life compared to high-speed steel drill bits when drilling hard materials and has an uncoated (bright) finish
  • Double-ended to provide two cutting ends
  • Meets USCTI standards
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Brand: Dormer   |   Manufacturer: Precision Dormer

Package Dimensions: 0.51 x 0.51 x 2.99 inches (1.3 x 1.3 x 7.6 cm)

Amazon Price: $6.29 | as of 06/18/2019(10:14am pst)
Availibility: Usually ships in 3 to 5 days
List Price: $6.29

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  #20

KEO 55794 Solid Carbide Single-End Countersink, Uncoated (Bright) Finish, 6 Flutes, 82 Degree Point Angle, Round Shank, 1/4" Shank Diameter, 3/8" Body Diameter

Model: 55794   |    Mpn: 55794   |    PartNumber: 55794   |   Asin: B00947W3DW

KEO 6-flute line of countersinks are companions to our single flute countersinks and our 3- and 4-flute center reamer line. As a rule, the more edges per revolution, the greater amount of material that may be removed. We have designed the 6-flute tools with staggered cutting edges. Solid carbide tools offer long tool life and faster cutting speeds than other substrates, but are more brittle and must be used with rigid toolholding systems. Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications. Round shanks allow use with a wide variety of toolholding systems. When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging. 82 degree angle.

Features

  • Solid carbide tools offer long tool life and faster cutting speeds than other substrates, but are more brittle and must be used with rigid toolholding systems
  • Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications
  • Round shanks allow use with a wide variety of toolholding systems
  • When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
  • 82 degree angle
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Brand: KEO Cutters   |   Manufacturer: Keo

Item Dimensions: 2.7 x 0.7 x 0.7 inches (6.9 x 1.8 x 1.8 cm)   |   Package Dimensions: 0.6 x 0.7 x 2.7 inches (1.5 x 1.8 x 6.9 cm)

Amazon Price: $30.89 | as of 06/18/2019(10:14am pst)
Availibility: Usually ships in 24 hours
List Price: $30.89

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