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KEO 90° Four-Flute Machine Countersink - Four-Flute Machine Countersinks
KEOFour-Flute Machine Countersinks

KEO 90° Four-Flute Machine Countersink

KEO Four-Flute Machine Countersinks.

SKU 3G-OTH-185913

Also listed as: 919000544 · 919 000 544

Brand
KEO
Item
90° Four-Flute Machine Countersink
Part Number
919-000-544
Category
Four-Flute Machine Countersinks
Available to Order
Also known as:919-000-544KEO
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Technical Specifications

KEO
Manufacturer Part Number
919-000-544

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3G Electric (S) Pte. Ltd. — Singapore

Product Description

KEO Four-Flute Machine Countersinks.

Frequently Asked Questions

What is the KEO 919-000-544 countersink used for?

The KEO 919-000-544 is a 90°, 4-flute machine countersink used for deburring and countersinking holes in metal workpieces. It is commonly applied in machining, tool-and-die, and fabrication industries to create a smooth, chamfered seat for flat-head screws or rivets.

What are the specifications of the KEO 919-000-544 countersink?

The KEO 919-000-544 is a 90° countersink with 4 flutes and a 3/4 in body diameter. It features a TiN (titanium nitride) coating on cobalt steel for enhanced wear resistance and heat dissipation. The manufacturer part number is 919-000-544.

Where to buy the KEO 919-000-544 countersink worldwide?

You can source the KEO 919-000-544 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 time.

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 (4-flute for smoother finish), body diameter matching hole size, and coating (TiN for harder materials). Always match the tool to your workpiece material and machine spindle speed.

Used in

Common applications for KEO
General machining — KEO single-flute countersinks for deburring and chamfering holes in steel and aluminum.
Automotive repair — KEO 82° countersinks for creating seats for flathead screws in engine and chassis components.
Aerospace manufacturing — KEO TiAlN-coated carbide countersinks for precision chamfering of fastener holes in hard alloys.
MRO operations — KEO left-hand keyseat cutters for milling keyways in shafts during equipment repair.
Metal fabrication — KEO 90° countersinks for chamfering plate and structural steel before welding.
Machine shop — KEO 100° countersinks for deburring cross-drilled holes in hydraulic manifolds.
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KEO Products

3G Electric supplies KEO four-flute machine countersinks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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