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KEO Countersink: 90°, 6 Flute, 1 1/4 in Body Dia - Smooth-Finish Six-Flute Countersinks
KEOSmooth-Finish Six-Flute Countersinks

KEO Countersink: 90°, 6 Flute, 1 1/4 in Body Dia

KEO Smooth-Finish Six-Flute Countersinks.

SKU 3G-OTH-188039

Also listed as: 919000789 · 919 000 789

Brand
KEO
Item
Countersink: 90°, 6 Flute, 1 1/4 in Body Dia
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
919-000-789

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 6-flute countersink used for?

The KEO 6-flute countersink is used for deburring and countersinking holes in metal, producing a smooth 90° chamfer. It is ideal for aerospace, automotive, and general machining applications where a fine surface finish is required on steel, stainless steel, and non-ferrous materials.

What are the specifications of the KEO 919-000-789 countersink?

The KEO 919-000-789 is a 90° countersink with 6 flutes and a 1 1/4 in body diameter. It is made from cobalt steel for heat resistance and durability. The manufacturer part number is 919-000-789, and it is designed for smooth-finish countersinking in industrial metalworking.

Where to buy KEO countersinks worldwide?

You can source KEO countersinks worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on the KEO 919-000-789 or other KEO tooling.

How to select the right KEO countersink for your application?

Select a KEO countersink based on hole diameter, material, and desired finish. For hard metals, choose cobalt steel like the 919-000-789. Match the body diameter to your tool holder and ensure the 90° angle fits your fastener. Consult KEO's catalog or 3G Electric for application guidance.

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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