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KEO 60° Single-Flute Countersink, 1/2 in Body Dia, AlTiN Coated Cobalt - Fast-Cutting Single-Flute Countersinks
KEOFast-Cutting Single-Flute Countersinks

KEO 60° Single-Flute Countersink, 1/2 in Body Dia, AlTiN Coated Cobalt

KEO Fast-Cutting Single-Flute Countersinks.

SKU 3G-OTH-185291

Also listed as: 919002638 · 919 002 638

Brand
KEO
Item
60° Single-Flute Countersink, 1/2 in Body Dia, AlTiN Coated Cobalt
Part Number
919-002-638
Category
Fast-Cutting Single-Flute Countersinks
Available to Order
Also known as:919-002-638KEO
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

KEO
Manufacturer Part Number
919-002-638

Technical Documents

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

Product Description

KEO Fast-Cutting Single-Flute Countersinks.

Frequently Asked Questions

What is the KEO 60° countersink used for?

The KEO 60° single-flute countersink is designed for deburring and countersinking holes in metal, particularly in hardened materials. Its AlTiN-coated cobalt construction provides heat resistance and extended tool life, making it suitable for precision machining in aerospace, automotive, and general manufacturing applications.

What are the specifications of the KEO 919-002-638 countersink?

The KEO 919-002-638 is a 60° countersink with a single flute and a 1/2 in body diameter. It features an AlTiN coating on cobalt steel for durability. This fast-cutting tool is ideal for creating chamfered holes in hard metals, offering consistent performance in industrial machining operations.

Where to buy the KEO 60° countersink worldwide?

You can source the KEO 60° countersink through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead times on this KEO tool.

How to select the right KEO countersink for your application?

Select the KEO 60° countersink based on material hardness and hole size. The 1/2 in body diameter suits medium to large holes, while the AlTiN coating handles high-heat alloys. For softer metals, a standard HSS countersink may suffice. Always match the flute count to your chip evacuation needs.

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 fast-cutting single-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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