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KEO Countersink: 90°, 3 Flute, 1 1/4 in Body Dia - General Purpose Three-Flute Countersinks
KEOGeneral Purpose Three-Flute Countersinks

KEO Countersink: 90°, 3 Flute, 1 1/4 in Body Dia

SKU 3G-OTH-185096

Brand
KEO
Item
Countersink: 90°, 3 Flute, 1 1/4 in Body Dia
Category
General Purpose Three-Flute Countersinks
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Technical Specifications

KEO
Manufacturer Part Number
919-002-780
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KEO Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is a KEO 90° countersink used for?

A KEO 90° countersink with three flutes is designed to create a conical recess for flat-head screws in metalworking. It is commonly used in machining and fabrication to deburr holes and prepare surfaces for flush fasteners, ensuring a clean, professional finish in industrial applications.

What are the specifications of the KEO 919-002-780 countersink?

The KEO 919-002-780 is a 90° countersink with three flutes, a 1 1/4 in body diameter, and an AlTiN coating on cobalt steel. This coating enhances wear resistance and tool life when machining ferrous materials. It is a general-purpose tool for precision countersinking.

Where to buy KEO countersinks worldwide?

3G Electric supplies KEO countersinks like the 919-002-780 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine KEO tooling and support your procurement needs across 14 departments.

How to select the right KEO countersink for your application?

Select a KEO countersink based on the required angle (e.g., 90° for standard flat-head screws), flute count for chip evacuation, and coating for material compatibility. The AlTiN-coated cobalt variant suits hardened steels. Match body diameter to the screw head size and ensure proper RPM for the material.

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 general purpose three-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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