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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
Part Number
55589
Category
Smooth-Finish Six-Flute Countersinks
Available to Order
Also known as:55589KEO
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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
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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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