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Best Single End Countersinks - Buying Guide

Last Updated: 11/18/2018

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Bestselling Single End Countersinks on Amazon

  1. KEO 53512 Cobalt Steel Single-End Countersink, Uncoated (Bright) Finish, 82 Degree Point Angle, Roun...
  2. KEO 53518 Cobalt Steel Single-End Countersink Set, Uncoated (Bright) Finish, 82 Degree Point Angle, ...
  3. Drill America DEWSFC Series High-Speed Steel Countersink, 1 Flute, 1/4" Shank Diameter, 1/2" Size, 1...
  4. KEO 55794 Solid Carbide Single-End Countersink, Uncoated (Bright) Finish, 6 Flutes, 82 Degree Point ...
  5. KEO 53511 Cobalt Steel Single-End Countersink, Uncoated (Bright) Finish, 82 Degree Point Angle, Roun...
  6. KEO 53513 Cobalt Steel Single-End Countersink, Uncoated (Bright) Finish, 82 Degree Point Angle, Roun...
  7. Drill America DEWSFC Series High-Speed Steel Countersink, 1 Flute, 3/16" Shank Diameter, 3/16" Size,...
  8. KEO 50058 Cobalt Steel Single-End Countersink Set, Uncoated (Bright) Finish, Single Flute, 82 Degree...
  9. Chicago Latrobe 209SF High-Speed Steel Countersink, Black Oxide Finish, Single Flute, 90 Degrees, Ro...
  10. KEO 53530 Cobalt Steel Single-End Countersink, TiN Coated, 100 Degree Point Angle, Round Shank, 1/4"...

  #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   |    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: $16.29 | as of 11/18/2018(11:00am pst)
Availibility: Usually ships in 24 hours
List Price: $17.15

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  #2

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
  • See more on Amazon...

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: $71.00 | as of 11/18/2018(11:00am pst)
Availibility:
List Price: $74.25 | Used Price: $49.90

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  #3

Drill America DEWSFC Series High-Speed Steel Countersink, 1 Flute, 1/4" Shank Diameter, 1/2" Size, 100 Degrees Angle (Pack of 1)

Model: DEWSFC1/2-100   |    Mpn: DEWSFC1/2-100   |    Ean: 0887861130844   |    PartNumber: DEWSFC1/2-100   |   Asin: B00FXCS0TI

Drill America DEWSFC Series single flute countersink is ideal for chambering, deburring, and countersinking. It is provide a smooth finish on a variety of materials. High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. Round shanks allow use with a wide variety of toolholding systems. Through-hole flute style has a single flute that passes through the cutting head to reduce vibration and chip clogging; also called "zero flute".

Features

  • High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
  • Single flute countersinks are ideal for chambering, deburring, and countersinking
  • Round shanks allow use with a wide variety of toolholding systems
  • Through-hole flute style has a single flute that passes through the cutting head to reduce vibration and chip clogging; also called zero flute
  • They provide a smooth finish on a variety of materials
  • See more on Amazon...

Brand: Drill America   |   Manufacturer: Drill America

Package Dimensions: 1 x 1 x 3 inches (2.5 x 2.5 x 7.6 cm)

First Available: 2017-05-15

Amazon Price: $10.67 | as of 11/18/2018(11:00am pst)
Availibility: Usually ships in 24 hours
List Price: $12.39

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  #4

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
  • See more on Amazon...

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: $28.99 | as of 11/18/2018(11:00am pst)
Availibility: Usually ships in 24 hours
List Price: $30.60

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  #5

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: $14.99 | as of 11/18/2018(11:00am pst)
Availibility: Usually ships in 24 hours
List Price: $16.05

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  #6

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: $23.56 | as of 11/18/2018(11:00am pst)
Availibility: Usually ships in 24 hours
List Price: $23.56

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  #7

Drill America DEWSFC Series High-Speed Steel Countersink, 1 Flute, 3/16" Shank Diameter, 3/16" Size, 120 Degrees Angle (Pack of 1)

Model: DEWSFC3/16-120   |    Mpn: DEWSFC3/16-120   |    Ean: 0887861130639   |    PartNumber: DEWSFC3/16-120   |   Asin: B00FXCV04U

Drill America DEWSFC Series single flute countersink is ideal for chambering, deburring, and countersinking. It is provide a smooth finish on a variety of materials. High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. Round shanks allow use with a wide variety of toolholding systems. Through-hole flute style has a single flute that passes through the cutting head to reduce vibration and chip clogging; also called "zero flute".

Features

  • High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
  • Single flute countersinks are ideal for chambering, deburring, and countersinking
  • Round shanks allow use with a wide variety of toolholding systems
  • Through-hole flute style has a single flute that passes through the cutting head to reduce vibration and chip clogging; also called zero flute
  • They provide a smooth finish on a variety of materials
  • See more on Amazon...

Brand: Drill America   |   Manufacturer: Drill America

Package Dimensions: 1.4 x 1.5 x 6.3 inches (3.6 x 3.8 x 16.0 cm)

Amazon Price: $8.70 | as of 11/18/2018(11:00am pst)
Availibility: Usually ships in 24 hours
List Price: $10.46

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  #8

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: $108.99 | as of 11/18/2018(11:00am pst)
Availibility: Usually ships in 24 hours
List Price: $108.99

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  #9

Chicago Latrobe 209SF High-Speed Steel Countersink, Black Oxide Finish, Single Flute, 90 Degrees, Round Shank, 1/2" Shank Dia., 1" Body Dia.

Model: 56778   |    Mpn: 56778   |    Ean: 0662355567784   |    PartNumber: 56778   |   Asin: B00462RL9Q

The Chicago Latrobe 209SF series high-speed steel single-end countersink with a black oxide finish creates a 90-degree conical opening that accepts a flat-head fastener so it sits flush with the surface. The single flute quickly cuts through material and has reduced vibration at higher speeds compared to multiple flutes. It is suitable for cutting small holes. High-speed steel (HSS) provides hardness for wear resistance when cutting alloy steel, tool steel, and cast iron. The black oxide finish reduces wear while promoting chip and coolant flow. The tool has a single cutting end and a round shank that accommodates most drill chucks.

Countersinks are fluted cutting tools that cut a conical or gradually widened opening for a hole into the surface of a workpiece, which provides a seat for a screw or rivet head. They are also used to create center holes for a machine center, deburr surfaces, and enlarging existing holes. The countersink's body diameter should be the same size or larger than what is being countersunk.

Chicago-Latrobe manufactures drill bits and accessories, reamers, countersinks, and blanks. The company, founded in 1890 and headquartered in Clemson, SC, meets International Organization for Standardization (ISO) standard 9001.

Features

  • Creates a 90-degree countersink that accepts a flat-head fastener so it sits flush with the surface
  • Single flute cuts quickly and reduces vibration compared to multiple flutes
  • High-speed steel (HSS) provides hardness for wear resistance when cutting alloy steel, tool steel, and cast iron
  • Black oxide finish reduces wear while promoting chip and coolant flow
  • Single-ended tool has a round shank that accommodates most drill chucks
  • See more on Amazon...

Brand: Chicago Latrobe   |   Manufacturer: Greenfield

Package Dimensions: 1.1 x 1.2 x 3.3 inches (2.8 x 3.0 x 8.4 cm)

Amazon Price: $44.70 | as of 11/18/2018(11:00am pst)
Availibility: Usually ships in 1 to 3 months
List Price: $70.98

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  #10

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: $15.79 | as of 11/18/2018(11:00am pst)
Availibility: Usually ships in 24 hours
List Price: $15.79

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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: $12.55 | as of 11/18/2018(11:00am pst)
Availibility: Usually ships in 24 hours
List Price: $13.20

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  #12

KEO 50059 Cobalt Steel Single-End Countersink Set, Uncoated (Bright) Finish, Single Flute, 90 Degree Angle, 1/4" - 1" Body Diameter

Model: 50059   |    Mpn: 50059   |    PartNumber: 50059   |   Asin: B009478Q60

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. 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
  • 90 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 3.4 x 5.7 inches (5.8 x 8.6 x 14.5 cm)

Amazon Price: $116.50 | as of 11/18/2018(11:00am pst)
Availibility: Usually ships in 24 hours
List Price: $116.50

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  #13

Drill America DEWCHAT Series High-Speed Steel Chatterless Countersink, 6 Flute, 3/16" Shank Diameter, 3/16" Size, 120 Degrees Angle (Pack of 1)

Model: DEWCHAT3/16-120   |    Mpn: DEWCHAT3/16-120   |    Ean: 0887861131933   |    PartNumber: DEWCHAT3/16-120   |   Asin: B00FXBS57Q

Drill America DEWCHAT Series 6 flute chatterless countersink is designed to provide more metal removal then the 1,2,3, and 4 flute countersinks. They are also more effective on harder materials. High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. Round shanks allow use with a wide variety of tool holding systems. Through-hole flute style has a single flute that passes through the cutting head to reduce vibration and chip clogging; also called "zero flute".

Features

  • High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
  • 6 flute chatterless countersink
  • Round shanks allow use with a wide variety of toolholding systems
  • Through-hole flute style has a single flute that passes through the cutting head to reduce vibration and chip clogging; also called zero flute
  • Designed to provide more metal removal then the 1,2,3, and 4 flute countersink
  • See more on Amazon...

Brand: Drill America   |   Manufacturer: Drill America

Package Dimensions: 0.4 x 0.5 x 2 inches (1.0 x 1.3 x 5.1 cm)

Amazon Price: $11.14 | as of 11/18/2018(11:00am pst)
Availibility: Usually ships in 1 to 2 days
List Price: $11.32

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  #14

Drill America DEWMSK Series High-Speed Steel Machine Countersink, 4 Flute, 1/2" Shank Diameter, 1-1/2" Size, 60 Degrees Angle (Pack of 1)

Model: DEWMSK1-1/2-60   |    Mpn: DEWMSK1-1/2-60   |    Ean: 0887861131858   |    PartNumber: DEWMSK1-1/2-60   |   Asin: B00FXC2GNO

Drill America DEWMSK series 4 flute machine countersink is designed for countersinking holes for centers or for enlarge existing holes. High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. Round shanks allow use with a wide variety of toolholding systems. Through-hole flute style has a single flute that passes through the cutting head to reduce vibration and chip clogging; also called "zero flute".

Features

  • High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
  • 4 flute machine countersink
  • Round shanks allow use with a wide variety of toolholding systems
  • Through-hole flute style has a single flute that passes through the cutting head to reduce vibration and chip clogging; also called zero flute
  • Designed for countersinking holes for centers or for enlarge existing holes
  • See more on Amazon...

Brand: Drill America   |   Manufacturer: Drill America

Package Dimensions: 1.7 x 1.8 x 5.5 inches (4.3 x 4.6 x 14.0 cm)

Amazon Price: $61.77 | as of 11/18/2018(11:00am pst)
Availibility: Usually ships in 1 to 2 days
List Price: $64.25 | Used Price: $53.17

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  #15

KEO 53512 Cobalt Steel Single-End Countersink, TiN Coated, 82 Degree Point Angle, Round Shank, 5/16" Shank Diameter, 1/2" Body Diameter

Model: 53512-TiN   |    Mpn: 53512-TiN   |    PartNumber: 53512-TiN   |   Asin: B00948QM7Y

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. 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
  • 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
  • 82 degree angle
  • See more on Amazon...

Brand: KEO Cutters   |   Manufacturer: Keo

Package Dimensions: 0.6 x 0.7 x 2.5 inches (1.5 x 1.8 x 6.4 cm)

Amazon Price: $18.25 | as of 11/18/2018(11:00am pst)
Availibility: Usually ships in 24 hours
List Price: $19.20

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  #16

KEO 53514 Cobalt Steel Single-End Countersink, Uncoated (Bright) Finish, 82 Degree Point Angle, Round Shank, 3/8" Shank Diameter, 3/4" Body Diameter

Model: 53514   |    Mpn: 53514   |    PartNumber: 53514   |   Asin: B00947BSQ0

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

Item Dimensions: 2.5 x 0.9 x 0.9 inches (6.4 x 2.3 x 2.3 cm)   |   Package Dimensions: 0.9 x 1 x 2.5 inches (2.3 x 2.5 x 6.4 cm)

Amazon Price: $35.16 | as of 11/18/2018(11:00am pst)
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  #17

Morse Cutting Tools 56133 Chatterless Countersinks, Solid Carbide, Bright Finish, 60 degree Split Point, 6 Flutes, 3/8" Size

Model: 56133   |    Mpn: 56133   |    Ean: 0686125561338   |    PartNumber: 56133   |   Asin: B00Q4BR8SQ

Cutting edge geometry designed to reduce chatter and harmonics. Six flutes allow higher feed rates and provide longer tool life due to distributing the cutting load over a greater number of teeth. The 1/4 diamer is solid carbide. The larger diameters are brazed construction.

Features

Brand: Morse Cutting Tools   |   Manufacturer: Morse Cutting Tools

Package Dimensions: 0.4 x 0.5 x 3.2 inches (1.0 x 1.3 x 8.1 cm)

Amazon Price: $19.53 | as of 11/18/2018(11:00am pst)
Availibility: Usually ships in 24 hours
List Price: $19.53

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  #18

Drill America DEWCSK Series High-Speed Steel Center Reamer Countersink, 3 Flute, 1/4" Shank Diameter, 3/8" Size, 60 Degrees Angle (Pack of 1)

Model: DEWCSK3/8-60   |    Mpn: DEWCSK3/8-60   |    Ean: 0887861131360   |    PartNumber: DEWCSK3/8-60   |   Asin: B00FXBW7LQ

Drill America DEWCSK Series 3 flute countersink is designed for countersinking holes for centers or for enlarge existing holes. High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. Round shanks allow use with a wide variety of toolholding systems. Through-hole flute style has a single flute that passes through the cutting head to reduce vibration and chip clogging; also called "zero flute".

Features

  • High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
  • 3 flute center reamer countersink
  • Round shanks allow use with a wide variety of toolholding systems
  • Through-hole flute style has a single flute that passes through the cutting head to reduce vibration and chip clogging; also called zero flute
  • Designed for countersinking holes for centers or for enlarge existing holes
  • See more on Amazon...

Brand: Drill America   |   Manufacturer: Drill America

Package Dimensions: 0.3 x 2 x 4 inches (0.8 x 5.1 x 10.2 cm)

Amazon Price: $9.39 | as of 11/18/2018(11:00am pst)
Availibility: Usually ships in 24 hours
List Price: $10.63

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  #19

KEO 55531 Cobalt Steel Single-End Countersink, Uncoated (Bright) Finish, 6 Flutes, 82 Degree Point Angle, Round Shank, 1/2" Shank Diameter, 1" Body Diameter

Model: 55531   |    Mpn: 55531   |    PartNumber: 55531   |   Asin: B00947MJ9K

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. 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

Package Dimensions: 1.2 x 1.2 x 2.8 inches (3.0 x 3.0 x 7.1 cm)

Amazon Price: $43.39 | as of 11/18/2018(11:00am pst)
Availibility: Usually ships in 24 hours
List Price: $43.39

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  #20

KEO 51006 High-Speed Steel Single-End Countersink, Uncoated (Bright) Finish, 3 Flutes, 60 Degree Point Angle, Round Shank, 1/2" Shank Diameter, 1" Body Diameter

Model: 51006   |    Mpn: 51006   |    PartNumber: 51006   |   Asin: B009478X8Q

KEO 3-flute center reamers are versatile tools designed for countersinking holes for centers or for enlarging existing holes. 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. 60 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
  • 60 degree angle
  • See more on Amazon...

Brand: KEO Cutters   |   Manufacturer: Keo

Package Dimensions: 1.1 x 1.2 x 2.7 inches (2.8 x 3.0 x 6.9 cm)

Amazon Price: $44.88 | as of 11/18/2018(11:00am pst)
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