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Keo - 1/2" Head Diam, 1/4" Shank Diam, 1 Flute 90° Solid Carbide Countersink - Bright Finish, 2-5/8" OAL, Single End


Item #: 44839827
Brand: Keo
Model #: 55724
Exact Tooling IR#: 04

Features and Benefits

Solid carbide provides better rigidity than high speed steel. It is extremely heat resistant and used for high speed applications on cast iron, nonferrous materials, plastic and other tough-to-machine materials.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Head Diameter (mm) 12.70
Head Diameter (Inch) 1/2
Head Diameter (Decimal Inch) 0.5000
Number of Flutes 1
Included Angle 90
Countersink Material Solid Carbide
Countersink Finish/Coating Bright
Shank Diameter (mm) 6.35
Shank Diameter (Decimal Inch) 0.2500
Shank Diameter (Inch) 1/4
Maximum Cutting Diameter (Inch) 1/2
Overall Length (mm) 67
Overall Length (Inch) 2-5/8
Overall Length (Decimal Inch) 2.6250
Countersink Application Chamfering; Countersinking; Deburring
End Type Single

$53.41

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Keo - 1/2" Head Diam, 1/4" Shank Diam, 3 Flute 100° Cobalt Countersink


Item #: 31484918
Brand: Keo
Model #: 54033

Features and Benefits

Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Head Diameter (mm) 12.70
Head Diameter (Inch) 1/2
Head Diameter (Decimal Inch) 0.5000
Number of Flutes 3
Included Angle 100
Countersink Material Cobalt
Countersink Finish/Coating Bright
Minimum Cutting Diameter (mm) 12.70
Minimum Cutting Diameter (Inch) 1/2
Shank Diameter (mm) 6.35
Shank Diameter (Decimal Inch) 0.2500
Shank Diameter (Inch) 1/4
Shank Length (Inch) 1-1/4
Shank Length (Decimal Inch) 1.25
Overall Length (mm) 48
Overall Length (Inch) 1-7/8
Overall Length (Decimal Inch) 1.2500
End Type Single
Shank Type Straight
Shank Material Cobalt
Countersink Head Only No
Attachment Method Shank
Cutting Direction Right Hand
PSC Code 5133

$26.94

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Keo - 1/2" Head Diam, 1/4" Shank Diam, 3 Flute 100° High Speed Steel Countersink - Bright Finish, 2" OAL, Single End, Straight Shank, Right Hand Cut


Item #: 02124329
Brand: Keo
Model #: 50120
Exact Tooling IR#: 04

Features and Benefits

High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Head Diameter (Inch) 1/2
Number of Flutes 3
Included Angle 100
Countersink Material High Speed Steel
Countersink Finish/Coating Bright
Shank Diameter (Inch) 1/4
Shank Length (Inch) 1
Overall Length (Inch) 2
Countersink Application Countersinking
End Type Single
Shank Type Straight
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 50

$14.86

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Keo - 1/2" Head Diam, 1/4" Shank Diam, 3 Flute 120° High Speed Steel Countersink - Bright Finish, 2" OAL, Single End, Straight Shank, Right Hand Cut


Item #: 02125326
Brand: Keo
Model #: 50122
Exact Tooling IR#: 04

Features and Benefits

High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Head Diameter (Inch) 1/2
Number of Flutes 3
Included Angle 120
Countersink Material High Speed Steel
Countersink Finish/Coating Bright
Shank Diameter (Inch) 1/4
Shank Length (Inch) 1
Overall Length (Inch) 2
Countersink Application Countersinking
End Type Single
Shank Type Straight
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 60

$14.86

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Keo - 1/2" Head Diam, 1/4" Shank Diam, 3 Flute 60° Cobalt Countersink


Item #: 31484751
Brand: Keo
Model #: 54003

Features and Benefits

Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Head Diameter (mm) 12.70
Head Diameter (Inch) 1/2
Head Diameter (Decimal Inch) 0.5000
Number of Flutes 3
Included Angle 60
Countersink Material Cobalt
Countersink Finish/Coating Bright
Minimum Cutting Diameter (mm) 12.70
Minimum Cutting Diameter (Inch) 1/2
Shank Diameter (mm) 6.35
Shank Diameter (Decimal Inch) 0.2500
Shank Diameter (Inch) 1/4
Shank Length (Inch) 1-1/4
Shank Length (Decimal Inch) 1.25
Overall Length (mm) 48
Overall Length (Inch) 1-7/8
Overall Length (Decimal Inch) 1.2500
End Type Single
Shank Type Straight
Shank Material Cobalt
Countersink Head Only No
Attachment Method Shank
Cutting Direction Right Hand
PSC Code 5133

$26.94

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Keo - 1/2" Head Diam, 1/4" Shank Diam, 3 Flute 60° High Speed Steel Countersink


Item #: 02121325
Brand: Keo
Model #: 50126

Features and Benefits

High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Head Diameter (Inch) 1/2
Number of Flutes 3
Included Angle 60
Countersink Material High Speed Steel
Countersink Finish/Coating Bright
Shank Diameter (Inch) 1/4
Shank Length (Inch) 1
Overall Length (Inch) 2
Countersink Application Countersinking
End Type Single
Shank Type Straight
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 30
PSC Code 5133

$14.86

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Keo - 1/2" Head Diam, 1/4" Shank Diam, 3 Flute 82° Cobalt Countersink - Bright Finish, 1-7/8" OAL, Single End, Straight Shank, Right Hand Cut


Item #: 31484652
Brand: Keo
Model #: 54013
Exact Tooling IR#: 04

Features and Benefits

Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Head Diameter (mm) 12.70
Head Diameter (Inch) 1/2
Head Diameter (Decimal Inch) 0.5000
Number of Flutes 3
Included Angle 82
Countersink Material Cobalt
Countersink Finish/Coating Bright
Minimum Cutting Diameter (mm) 12.70
Minimum Cutting Diameter (Inch) 1/2
Shank Diameter (mm) 6.35
Shank Diameter (Decimal Inch) 0.2500
Shank Diameter (Inch) 1/4
Shank Length (Inch) 1-1/4
Shank Length (Decimal Inch) 1.25
Overall Length (mm) 48
Overall Length (Inch) 1-7/8
Overall Length (Decimal Inch) 1.2500
End Type Single
Shank Type Straight
Shank Material Cobalt
Countersink Head Only No
Attachment Method Shank
Cutting Direction Right Hand

$21.56

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Keo - 1/2" Head Diam, 1/4" Shank Diam, 3 Flute 82° High Speed Steel Countersink - Bright Finish, 2" OAL, Single End, Straight Shank, Right Hand Cut


Item #: 02122323
Brand: Keo
Model #: 50128
Exact Tooling IR#: 04

Features and Benefits

High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Head Diameter (Inch) 1/2
Number of Flutes 3
Included Angle 82
Countersink Material High Speed Steel
Countersink Finish/Coating Bright
Shank Diameter (Inch) 1/4
Shank Length (Inch) 1
Overall Length (Inch) 2
Countersink Application Countersinking
End Type Single
Shank Type Straight
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 41

$14.86

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Keo - 1/2" Head Diam, 1/4" Shank Diam, 3 Flute 90° High Speed Steel Countersink - Bright Finish, 2" OAL, Single End, Straight Shank, Right Hand Cut


Item #: 02123321
Brand: Keo
Model #: 50129
Exact Tooling IR#: 04

Features and Benefits

High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Head Diameter (Inch) 1/2
Number of Flutes 3
Included Angle 90
Countersink Material High Speed Steel
Countersink Finish/Coating Bright
Shank Diameter (Inch) 1/4
Shank Length (Inch) 1
Overall Length (Inch) 2
Countersink Application Countersinking
End Type Single
Shank Type Straight
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 45

$14.86

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Keo - 1/2" Head Diam, 1/4" Shank Diam, 6 Flute 100° Solid Carbide Countersink - Bright Finish, 2-5/8" OAL, Single End


Item #: 44840437
Brand: Keo
Model #: 55817
Exact Tooling IR#: 04

Features and Benefits

Solid carbide provides better rigidity than high speed steel. It is extremely heat resistant and used for high speed applications on cast iron, nonferrous materials, plastic and other tough-to-machine materials.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Head Diameter (mm) 12.70
Head Diameter (Inch) 1/2
Head Diameter (Decimal Inch) 0.5000
Number of Flutes 6
Included Angle 100
Countersink Material Solid Carbide
Countersink Finish/Coating Bright
Shank Diameter (mm) 6.35
Shank Diameter (Decimal Inch) 0.2500
Shank Diameter (Inch) 1/4
Maximum Cutting Diameter (Inch) 1/2
Overall Length (mm) 67
Overall Length (Inch) 2-5/8
Overall Length (Decimal Inch) 2.6250
Countersink Application Chamfering; Countersinking; Deburring
End Type Single

$57.74

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Keo - 1/2" Head Diam, 1/4" Shank Diam, 6 Flute 60° High Speed Steel Countersink


Item #: 07847700
Brand: Keo
Model #: 55005

Features and Benefits

High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Head Diameter (Inch) 1/2
Number of Flutes 6
Included Angle 60
Countersink Material High Speed Steel
Countersink Finish/Coating Bright
Shank Diameter (Inch) 1/4
Shank Length (Inch) 1
Overall Length (Inch) 2
Countersink Application Countersinking
End Type Single
Shank Type Straight
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 30
PSC Code 5133

$14.42

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Keo - 1/2" Head Diam, 1/4" Shank Diam, 6 Flute 60° Solid Carbide Countersink - Bright Finish, 2-5/8" OAL, Single End


Item #: 44839678
Brand: Keo
Model #: 55784
Exact Tooling IR#: 04

Features and Benefits

Solid carbide provides better rigidity than high speed steel. It is extremely heat resistant and used for high speed applications on cast iron, nonferrous materials, plastic and other tough-to-machine materials.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Head Diameter (mm) 12.70
Head Diameter (Inch) 1/2
Head Diameter (Decimal Inch) 0.5000
Number of Flutes 6
Included Angle 60
Countersink Material Solid Carbide
Countersink Finish/Coating Bright
Shank Diameter (mm) 6.35
Shank Diameter (Decimal Inch) 0.2500
Shank Diameter (Inch) 1/4
Maximum Cutting Diameter (Inch) 1/2
Overall Length (mm) 67
Overall Length (Inch) 2-5/8
Overall Length (Decimal Inch) 2.6250
Countersink Application Chamfering; Countersinking; Deburring
End Type Single

$56.10

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Keo - 1/2" Head Diam, 1/4" Shank Diam, 6 Flute 82° High Speed Steel Countersink


Item #: 07847825
Brand: Keo
Model #: 55025

Features and Benefits

High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Head Diameter (Inch) 1/2
Number of Flutes 6
Included Angle 82
Countersink Material High Speed Steel
Countersink Finish/Coating Bright
Shank Diameter (Inch) 1/4
Shank Length (Inch) 1
Overall Length (Inch) 2
Countersink Application Countersinking
End Type Single
Shank Type Straight
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 41
PSC Code 5133

$14.42

2% Off All Online Orders
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Keo - 1/2" Head Diam, 1/4" Shank Diam, 6 Flute 82° Solid Carbide Countersink


Item #: 44840635
Brand: Keo
Model #: 55795

Features and Benefits

Solid carbide provides better rigidity than high speed steel. It is extremely heat resistant and used for high speed applications on cast iron, nonferrous materials, plastic and other tough-to-machine materials.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Head Diameter (mm) 12.70
Head Diameter (Inch) 1/2
Head Diameter (Decimal Inch) 0.5000
Number of Flutes 6
Included Angle 82
Countersink Material Solid Carbide
Countersink Finish/Coating Bright
Shank Diameter (mm) 6.35
Shank Diameter (Decimal Inch) 0.2500
Shank Diameter (Inch) 1/4
Maximum Cutting Diameter (Inch) 1/2
Overall Length (mm) 67
Overall Length (Inch) 2-5/8
Overall Length (Decimal Inch) 2.6250
Countersink Application Chamfering; Countersinking; Deburring
End Type Single
PSC Code 5133

$57.74

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Keo - 1/2" Head Diam, 1/4" Shank Diam, 6 Flute 90° High Speed Steel Countersink - Bright Finish, 2" OAL, Single End, Straight Shank, Right Hand Cut


Item #: 07847940
Brand: Keo
Model #: 55045
Exact Tooling IR#: 04

Features and Benefits

High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Head Diameter (Inch) 1/2
Number of Flutes 6
Included Angle 90
Countersink Material High Speed Steel
Countersink Finish/Coating Bright
Shank Diameter (Inch) 1/4
Shank Length (Inch) 1
Overall Length (Inch) 2
Countersink Application Countersinking
End Type Single
Shank Type Straight
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 45

$14.42

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Keo - 1/2" Head Diam, 1/4" Shank Diam, 6 Flute 90° Solid Carbide Countersink


Item #: 44840536
Brand: Keo
Model #: 55806

Features and Benefits

Solid carbide provides better rigidity than high speed steel. It is extremely heat resistant and used for high speed applications on cast iron, nonferrous materials, plastic and other tough-to-machine materials.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Head Diameter (mm) 12.70
Head Diameter (Inch) 1/2
Head Diameter (Decimal Inch) 0.5000
Number of Flutes 6
Included Angle 90
Countersink Material Solid Carbide
Countersink Finish/Coating Bright
Shank Diameter (mm) 6.35
Shank Diameter (Decimal Inch) 0.2500
Shank Diameter (Inch) 1/4
Maximum Cutting Diameter (Inch) 1/2
Overall Length (mm) 67
Overall Length (Inch) 2-5/8
Overall Length (Decimal Inch) 2.6250
Countersink Application Chamfering; Countersinking; Deburring
End Type Single
PSC Code 5133

$57.74

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Keo - 1/2" Head Diam, 3/8" Shank Diam, 6 Flute 60° High Speed Steel Countersink - Bright Finish, 2" OAL, Single End, Straight Shank, Right Hand Cut


Item #: 07847718
Brand: Keo
Model #: 55006
Exact Tooling IR#: 04

Features and Benefits

High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Head Diameter (Inch) 1/2
Number of Flutes 6
Included Angle 60
Countersink Material High Speed Steel
Countersink Finish/Coating Bright
Shank Diameter (Inch) 3/8
Shank Length (Inch) 1
Overall Length (Inch) 2
Countersink Application Countersinking
End Type Single
Shank Type Straight
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 30

$14.42

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Keo - 1/2" Head Diam, 3/8" Shank Diam, 6 Flute 82° High Speed Steel Countersink


Item #: 07847833
Brand: Keo
Model #: 55026

Features and Benefits

High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Head Diameter (Inch) 1/2
Number of Flutes 6
Included Angle 82
Countersink Material High Speed Steel
Countersink Finish/Coating Bright
Shank Diameter (Inch) 3/8
Shank Length (Inch) 1
Overall Length (Inch) 2
Countersink Application Countersinking
End Type Single
Shank Type Straight
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 41
PSC Code 5133

$14.42

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Keo - 1/2" Head Diam, 3/8" Shank Diam, 6 Flute 90° High Speed Steel Countersink


Item #: 07847957
Brand: Keo
Model #: 55046

Features and Benefits

High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Head Diameter (Inch) 1/2
Number of Flutes 6
Included Angle 90
Countersink Material High Speed Steel
Countersink Finish/Coating Bright
Shank Diameter (Inch) 3/8
Shank Length (Inch) 1
Overall Length (Inch) 2
Countersink Application Countersinking
End Type Single
Shank Type Straight
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 45
PSC Code 5133

$14.42

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Keo - 1/2" Head Diam, 5/16" Shank Diam, 0 Flute 100° Cobalt Countersink - Bright Finish, 1-3/4" OAL, Single End, Straight Shank, Right Hand Cut


Item #: 45117660
Brand: Keo
Model #: 53532
Exact Tooling IR#: 04

Features and Benefits

Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Head Diameter (Inch) 1/2
Number of Flutes 0
Included Angle 100
Countersink Material Cobalt
Countersink Finish/Coating Bright
Minimum Cutting Diameter (Inch) 5/32
Shank Diameter (Inch) 5/16
Maximum Cutting Diameter (Inch) 29/64
Overall Length (Inch) 1-3/4
Countersink Application Countersinking; Deburring
Minimum Hole Diameter (Inch) 5/32
Maximum Hole Diameter (Inch) 29/64
End Type Single
Shank Type Straight
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 50
Material Application Aluminum; Non-Metallics; Plastics

$20.59

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