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KEO 110° Six-Flute Countersink, 3/4 in Body Diameter, Cobalt Steel - Smooth-Finish Six-Flute Countersinks
KEOSmooth-Finish Six-Flute Countersinks

KEO 110° Six-Flute Countersink, 3/4 in Body Diameter, Cobalt Steel

KEO Smooth-Finish Six-Flute Countersinks.

SKU 3G-OTH-187921

Brand
KEO
Item
110° Six-Flute Countersink, 3/4 in Body Diameter, Cobalt Steel
Category
Smooth-Finish Six-Flute Countersinks
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

KEO
Manufacturer Part Number
55589

Technical Documents

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KEO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

KEO Smooth-Finish Six-Flute Countersinks.

Frequently Asked Questions

What is the KEO 55589 countersink used for?

The KEO 55589 is a 110°, six-flute countersink designed for creating smooth, burr-free chamfered holes in metal. It is commonly used in machining and fabrication for deburring and countersinking screw holes, especially in harder materials where cobalt tooling provides extended life.

What are the specifications of the KEO 55589 countersink?

The KEO 55589 has a 110° included angle, six flutes for smooth finish, and a 3/4 in body diameter. It is made from cobalt steel for heat resistance and durability. The manufacturer part number is 55589, and it is a Smooth-Finish Six-Flute Countersink from KEO.

Where to buy the KEO 55589 countersink worldwide?

3G Electric supplies the KEO 55589 countersink to customers worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this KEO tool to any country.

How to select the right KEO countersink for your application?

Select a KEO countersink based on the required chamfer angle and material. The 110° six-flute design is ideal for general metalworking and deburring. For harder materials, choose cobalt steel like the 55589. Match the body diameter to your hole size and ensure the tool fits your drill or machine.

Used in

Common applications for KEO
Metalworking — KEO plain-tip center drills for creating accurate starting points in lathe operations
Automotive manufacturing — KEO bell-tip center drills for countersinking holes in engine components
Aerospace machining — KEO radius-tip center drills for reducing stress risers in critical parts
General machining — KEO keyseat cutters for milling keyways in shafts and gears
Tool and die making — KEO TiN-coated center drills for extended tool life in hardened steels
Precision engineering — KEO cobalt center drills for high-temperature alloy applications

KEO Products

3G Electric supplies KEO smooth-finish six-flute countersinks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Cross-referenced by specification & description
This countersink features a 110° included angle and six flutes for producing smooth, burr-free chamfers on drilled holes. Made from cobalt steel, it offers heat resistance for extended tool life. Commonly used in machining and fabrication for deburring and countersinking screw holes in metal workpieces
KEO
This countersink features a 110° included angle and six flutes for producing smooth, burr-free chamfers on drilled holes. Made from cobalt steel, it offers heat resistance for extended tool life. Commonly used in machining and fabrication for deburring and countersinking screw holes in metal workpieces
This KEO countersink features a 110° angle and six flutes for smooth finishing of holes in metal. The cobalt construction provides hardness for machining tougher materials. It is used for deburring and chamfering in precision machining and fabrication
KEO
This KEO countersink features a 110° angle and six flutes for smooth finishing of holes in metal. The cobalt construction provides hardness for machining tougher materials. It is used for deburring and chamfering in precision machining and fabrication
This countersink features a 110° included angle and six flutes for producing smooth, burr-free chamfers on drilled holes. Constructed from cobalt steel for heat resistance and extended tool life in harder materials. Commonly used in machining and fabrication for deburring and countersinking screw holes
KEO
This countersink features a 110° included angle and six flutes for producing smooth, burr-free chamfers on drilled holes. Constructed from cobalt steel for heat resistance and extended tool life in harder materials. Commonly used in machining and fabrication for deburring and countersinking screw holes
This countersink features a 110° included angle and six flutes for producing smooth, burr-free chamfers on drilled holes. Made from cobalt steel for heat resistance, it is suited for deburring and countersinking operations on metals such as steel and aluminum in machining and fabrication
KEO
This countersink features a 110° included angle and six flutes for producing smooth, burr-free chamfers on drilled holes. Made from cobalt steel for heat resistance, it is suited for deburring and countersinking operations on metals such as steel and aluminum in machining and fabrication
This six-flute countersink produces smooth, burr-free chamfers on holes in metal. The 110° included angle and cobalt construction provide heat resistance for use in hard materials. Commonly used for deburring and countersinking screw holes in machining and fabrication
KEO
This six-flute countersink produces smooth, burr-free chamfers on holes in metal. The 110° included angle and cobalt construction provide heat resistance for use in hard materials. Commonly used for deburring and countersinking screw holes in machining and fabrication
This six-flute countersink produces smooth, burr-free chamfers on drilled holes. The 110° included angle is suited for countersinking flat-head screws. Cobalt steel construction provides heat resistance for use on steel, stainless steel, and other hard materials in machining and fabrication operations
KEO
This six-flute countersink produces smooth, burr-free chamfers on drilled holes. The 110° included angle is suited for countersinking flat-head screws. Cobalt steel construction provides heat resistance for use on steel, stainless steel, and other hard materials in machining and fabrication operations

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This 90° countersink features six flutes and a TiN-coated cobalt construction for wear resistance. With a 5/16 in body diameter, it is designed for producing smooth, burr-free chamfers on drilled holes in metal. Suitable for precision chamfering in machining and fabrication applications
KEO
This 90° countersink features six flutes and a TiN-coated cobalt construction for wear resistance. With a 5/16 in body diameter, it is designed for producing smooth, burr-free chamfers on drilled holes in metal. Suitable for precision chamfering in machining and fabrication applications
This 60° countersink features six flutes for smooth finish and is made from TiN-coated cobalt for wear resistance. With a 2 in body diameter and 3/4 in shank, it is used for deburring and chamfering holes in metal, providing precise screw seating in machining operations
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This 60° countersink features six flutes for smooth finish and is made from TiN-coated cobalt for wear resistance. With a 2 in body diameter and 3/4 in shank, it is used for deburring and chamfering holes in metal, providing precise screw seating in machining operations
Six-flute countersink designed for smooth, chatter-free 120° chamfers and countersinking. Constructed from TiN-coated high-speed steel to reduce friction and extend tool life. Suitable for deburring holes and preparing fastener recesses in metal, plastic, and wood
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Six-flute countersink designed for smooth, chatter-free 120° chamfers and countersinking. Constructed from TiN-coated high-speed steel to reduce friction and extend tool life. Suitable for deburring holes and preparing fastener recesses in metal, plastic, and wood
This countersink features a 100° included angle and six flutes for producing smooth, chamfered recesses in metalworking. The AlTiN-coated cobalt construction provides heat resistance and extended tool life. Suitable for use on ferrous and non-ferrous materials in machining and precision applications
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This countersink features a 100° included angle and six flutes for producing smooth, chamfered recesses in metalworking. The AlTiN-coated cobalt construction provides heat resistance and extended tool life. Suitable for use on ferrous and non-ferrous materials in machining and precision applications
This six-flute countersink is designed for smooth, chatter-free chamfering and countersinking operations in metal. The AlTiN coated cobalt construction provides heat resistance and extended tool life. With a 120° included angle, it is suitable for deburring holes and preparing fastener recesses in machining and fabrication applications
KEO
This six-flute countersink is designed for smooth, chatter-free chamfering and countersinking operations in metal. The AlTiN coated cobalt construction provides heat resistance and extended tool life. With a 120° included angle, it is suitable for deburring holes and preparing fastener recesses in machining and fabrication applications
This 110° countersink features six flutes for smooth cutting action. The body diameter is 2 inches with a 3/4-inch shank. Made from cobalt steel with a titanium nitride (TiN) coating for wear resistance. Used in machining to create countersunk holes for flat-head screws or rivets, and for deburring and chamfering in metals, plastics, and composites
KEO
This 110° countersink features six flutes for smooth cutting action. The body diameter is 2 inches with a 3/4-inch shank. Made from cobalt steel with a titanium nitride (TiN) coating for wear resistance. Used in machining to create countersunk holes for flat-head screws or rivets, and for deburring and chamfering in metals, plastics, and composites
This six-flute countersink produces a smooth 82° chamfer for deburring and countersinking holes in metal. The cobalt steel construction supports use in hard materials. Suitable for machining, fabrication, and maintenance operations requiring a clean finish on drilled holes
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This six-flute countersink produces a smooth 82° chamfer for deburring and countersinking holes in metal. The cobalt steel construction supports use in hard materials. Suitable for machining, fabrication, and maintenance operations requiring a clean finish on drilled holes
This KEO countersink features a 100° included angle and six flutes for smooth, burr-free chamfering. With a 5/8 in body diameter and carbide construction, it is suited for countersinking holes in hard materials. Commonly used in metalworking and precision machining applications
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This KEO countersink features a 100° included angle and six flutes for smooth, burr-free chamfering. With a 5/8 in body diameter and carbide construction, it is suited for countersinking holes in hard materials. Commonly used in metalworking and precision machining applications