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KEO Countersink: 110°, 6 Flute, 7/8 in Body Dia - Smooth-Finish Six-Flute Countersinks
KEOSmooth-Finish Six-Flute Countersinks

KEO Countersink: 110°, 6 Flute, 7/8 in Body Dia

SKU 3G-OTH-188011

Brand
KEO
Item
Countersink: 110°, 6 Flute, 7/8 in Body Dia
Category
Smooth-Finish Six-Flute Countersinks
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Technical Specifications

KEO
Manufacturer Part Number
55590-TiN
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KEO Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is a KEO 55590-TiN countersink used for?

The KEO 55590-TiN is a 110°, 6-flute countersink designed for producing smooth, burr-free chamfers on drilled holes in metal. Its TiN-coated cobalt construction suits high-speed machining of steel, stainless steel, and other alloys in industrial manufacturing and tool-and-die work.

What are the specifications of the KEO 55590-TiN countersink?

This KEO countersink has a 110° included angle, 6 flutes, and a 7/8 in body diameter. It features a TiN (titanium nitride) coating on cobalt steel for heat resistance and extended tool life. The manufacturer part number is 55590-TiN.

Where to buy KEO countersinks worldwide?

3G Electric supplies KEO countersinks like the 55590-TiN to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this and other KEO cutting tools.

How to select the right KEO countersink for my application?

Match the countersink angle (e.g., 110°) to your fastener's head angle. Choose flute count based on finish: 6-flute designs like the KEO 55590-TiN minimize chatter for smooth surfaces. TiN coating improves tool life in abrasive materials. Confirm body diameter fits your toolholder.

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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