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Best Single End Countersinks - Buying Guide

Last Updated: 07/20/2019

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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 53511 Cobalt Steel Single-End Countersink, Uncoated (Bright) Finish, 82 Degree Point Angle, Roun...
  3. KEO 53510 Cobalt Steel Single-End Countersink, Uncoated (Bright) Finish, 82 Degree Point Angle, Roun...
  4. KEO 53513 Cobalt Steel Single-End Countersink, Uncoated (Bright) Finish, 82 Degree Point Angle, Roun...
  5. KEO 55051 High-Speed Steel Single-End Countersink, Uncoated (Bright) Finish, 6 Flutes, 90 Degree Poi...
  6. Drill America 3/8"-100 High Speed Steel 6 Flute Chatterless Countersink, Dew Series
  7. KEO 53524 Cobalt Steel Single-End Countersink, Uncoated (Bright) Finish, 90 Degree Point Angle, Roun...
  8. KEO 55794 Solid Carbide Single-End Countersink, Uncoated (Bright) Finish, 6 Flutes, 82 Degree Point ...
  9. HHIP 2001-0036 1/4-3/4 Inch Indexable Countersink & Chamfer Tool, 82 Degree
  10. HHIP 2001-0006 5 Piece Zero-Flute Countersink & Debur Tool Set, 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: $16.00 | as of 07/20/2019(6:56am pst)
Availibility: Usually ships in 24 hours
List Price: $16.10

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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 07/20/2019(6:56am pst)
Availibility: Usually ships in 24 hours
List Price: $15.98

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  #3

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 07/20/2019(6:56am pst)
Availibility: Usually ships in 24 hours
List Price: $13.36

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  #4

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 07/20/2019(6:56am pst)
Availibility: Usually ships in 24 hours
List Price: $20.30

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  #5

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 07/20/2019(6:56am pst)
Availibility: Usually ships in 24 hours
List Price: $41.90

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  #6

Drill America 3/8"-100 High Speed Steel 6 Flute Chatterless Countersink, Dew Series

Model: DEWCHAT3/8-100   |    Mpn: DEWCHAT3/8-100   |    Ean: 0887861132077   |    PartNumber: DEWCHAT3/8-100   |   Asin: B00FXBSN2I

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 2.8 inches (1.0 x 1.3 x 7.1 cm)

Amazon Price: $8.02 | as of 07/20/2019(6:56am pst)
Availibility: Usually ships in 24 hours
List Price: $15.90

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  #7

KEO 53524 Cobalt Steel Single-End Countersink, Uncoated (Bright) Finish, 90 Degree Point Angle, Round Shank, 3/8" Shank Diameter, 3/4" Body Diameter

Model: 53524   |    Mpn: 53524   |    PartNumber: 53524   |   Asin: B00947C3Y6

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: 0.7 x 0.9 x 2.4 inches (1.8 x 2.3 x 6.1 cm)

Amazon Price: $30.31 | as of 07/20/2019(6:56am pst)
Availibility: Usually ships in 24 hours
List Price: $32.73

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  #8

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: $30.89 | as of 07/20/2019(6:56am pst)
Availibility: Usually ships in 24 hours
List Price: $30.89

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  #9

HHIP 2001-0036 1/4-3/4 Inch Indexable Countersink & Chamfer Tool, 82 Degree

Model: 2001-0036   |    Mpn: 2001-0036   |    Ean: 0769053004907   |    PartNumber: 2001-0036   |   Asin: B00N406RFK

Deburr and countersink large diameter holes. Positive rake for smooth cutting without chatter. Carbide indexable, no tool re-sharpening needed.

Features

  • Cutter Min-Maximim 1/4~3/4; Shank Diameter 1/2
  • Use Insert TCMT32.51; Insert Screw MLD-M40
  • Deburr and countersink large diameter holes
  • Positive rake for smooth cutting without chatter.; TIN coated REPLACEMENT CARBIDE INSERTS (TCMT221) (Item 6042-0022), (TCMT32.51) (Item 6004-7031), (SCMT 432) (Item 6004-3432)
  • See more on Amazon...

Brand: HHIP   |   Manufacturer: ABS Import Tools Inc.

Item Dimensions: 6 x 1 x 3 inches (15.2 x 2.5 x 7.6 cm)   |   Package Dimensions: 1 x 1.1 x 4.1 inches (2.5 x 2.8 x 10.4 cm)

Amazon Price: $24.68 | as of 07/20/2019(6:56am pst)
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  #10

HHIP 2001-0006 5 Piece Zero-Flute Countersink & Debur Tool Set, 82 Degree

Model: 2001-0006   |    Mpn: 2001-0006   |    Ean: 0769053004815   |    PartNumber: 2001-0006   |   Asin: B00N406AZW

5 Piece 82 Degree Zero-Flute Countersink & Deburring Tools Set ~ Cam relieved for totally chatter free cuts. ~ Through hole design that is easy to re-sharpen using a small grinding wheel in a cross-hole. ~ Works very well with aluminum, plastics and other non-metallics.

Features

  • High speed steel; 82 degrees 5 Piece set
  • 82 degrees; High speed steel 0 double endDia. Cut Range: 1/16~15/64Shank Diameter: 1/41 single endDia. Cut Range: 5/32~13/32Shank Diameter: 1/42 single endDia.
  • Cut Range: 3/16~17/32Shank Diameter: 1/43 single endDia. Cut Range: 5/16~25/32Shank Diameter: 1/24 single endDia. Cut Range: 9/16~1-3/32Shank Diameter: 1/2
  • See more on Amazon...

Brand: HHIP   |   Manufacturer: HHIP

Item Dimensions: 3 x 8 x 3 inches (7.6 x 20.3 x 7.6 cm)   |   Package Dimensions: 2.8 x 3 x 3.5 inches (7.1 x 7.6 x 8.9 cm)

Amazon Price: $25.62 | as of 07/20/2019(6:56am pst)
Availibility: Usually ships in 24 hours
List Price: $26.84

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  #11

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: $65.68 | as of 07/20/2019(6:56am pst)
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List Price: $65.68

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  #12

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 07/20/2019(6:56am pst)
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List Price: $16.84

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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: 6 x 1 x 3 inches (15.2 x 2.5 x 7.6 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 07/20/2019(6:56am pst)
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List Price: $31.71

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  #14

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: $19.47 | as of 07/20/2019(6:56am pst)
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List Price: $19.47

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  #15

F&D Tool Company 26404-X110 Single Flute Countersinks, High Speed Steel, 100 Degrees, 1/4" Diameter

Model: 26404-X110   |    Mpn: 26404-X110   |    PartNumber: 26404-X110   |   Asin: B00IE8WESQ

These combined drills & countersinks are used for centering applications. They are appropriate for opening up a new or pre-existing hole.

Features

  • Single Flute Countersink
  • 100 Degrees - Diameter: 1/4
  • These single flute countersinks are manufactured with angular relief for countersink purposes
  • Made in USA
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Brand: F&D Tool Company   |   Manufacturer: F&D Tool Company

Package Dimensions: 0.6 x 0.7 x 2.9 inches (1.5 x 1.8 x 7.4 cm)

Amazon Price: $13.02 | as of 07/20/2019(6:56am pst)
Availibility: Usually ships in 1 to 2 days
List Price: $13.02

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  #16

Drill America 7/8"-82 High Speed Steel Single Flute Countersink, Dew Series

Model: DEWSFC7/8-82   |    Mpn: DEWSFC7/8-82   |    Ean: 0887861131001   |    PartNumber: DEWSFC7/8-82   |   Asin: B00FXCXL4W

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: 0.9 x 1.4 x 4 inches (2.3 x 3.6 x 10.2 cm)

Amazon Price: $20.73 | as of 07/20/2019(6:56am pst)
Availibility: Usually ships in 24 hours
List Price: $25.60

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  #17

HHIP 2001-0038 1/2-1-3/4 Inch Indexable Countersink & Chamfer Tool, 82 Degree

Model: 2001-0038   |    Mpn: 2001-0038   |    Ean: 0076905300491   |    PartNumber: 2001-0038   |   Asin: B00N41EK5I

Deburr and countersink large diameter holes. Positive rake for smooth cutting without chatter. Carbide indexable, no tool re-sharpening needed.

Features

  • Cutter Min-Maximim 1/2~1-3/4; Shank Diameter 1/2
  • Use Insert SCMT432; Insert Screw MLD-M50
  • Deburr and countersink large diameter holes
  • Positive rake for smooth cutting without chatter.; TIN coated REPLACEMENT CARBIDE INSERTS (TCMT221) (Item 6042-0022), (TCMT32.51) (Item 6004-7031), (SCMT 432) (Item 6004-3432)
  • See more on Amazon...

Brand: HHIP   |   Manufacturer: ABS Import Tools Inc.

Item Dimensions: 3 x 8 x 3 inches (7.6 x 20.3 x 7.6 cm)   |   Package Dimensions: 2 x 2 x 3.6 inches (5.1 x 5.1 x 9.1 cm)

Amazon Price: $31.15 | as of 07/20/2019(6:56am pst)
Availibility: Usually ships in 24 hours
List Price:

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  #18

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: $46.57 | as of 07/20/2019(6:56am pst)
Availibility: Usually ships in 24 hours
List Price: $61.29

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  #19

Drill America 1/2"-100 High Speed Steel 6 Flute Chatterless Countersink, Dew Series

Model: DEWCHAT1/2-100   |    Mpn: DEWCHAT1/2-100   |    Ean: 0887861132121   |    PartNumber: DEWCHAT1/2-100   |   Asin: B00FXBPSTE

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: 0.6 x 0.7 x 3.9 inches (1.5 x 1.8 x 9.9 cm)

Amazon Price: $20.28 | as of 07/20/2019(6:56am pst)
Availibility: Usually ships in 24 hours
List Price: $20.28

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  #20

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: $118.97 | as of 07/20/2019(6:56am pst)
Availibility: Usually ships in 24 hours
List Price: $127.18

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