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KEO 919-000-540 Four-Flute Machine Countersink - Four-Flute Machine Countersinks
KEOFour-Flute Machine Countersinks

KEO 919-000-540 Four-Flute Machine Countersink

KEO Four-Flute Machine Countersinks.

SKU 3G-OTH-185888

Also listed as: 919000540 · 919 000 540

Brand
KEO
Item
919-000-540 Four-Flute Machine Countersink
Category
Four-Flute Machine Countersinks
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

KEO
Manufacturer Part Number
919-000-540

Technical Documents

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

Product Description

KEO Four-Flute Machine Countersinks.

Frequently Asked Questions

What is the KEO 919-000-540 countersink used for?

The KEO 919-000-540 is a 90°, 4-flute machine countersink used for deburring and countersinking holes in metal workpieces. Its TiN-coated cobalt construction provides heat resistance and durability for industrial machining applications, including aerospace and automotive manufacturing.

What are the specifications of the KEO 919-000-540 countersink?

The KEO 919-000-540 is a 90° countersink with 4 flutes and a 1/2 in body diameter. It features a TiN-coated cobalt material for extended tool life. The manufacturer part number is 919-000-540, and it is designed for machine use in precision metalworking.

Where to buy the KEO 919-000-540 countersink worldwide?

You can source the KEO 919-000-540 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 on this KEO tool.

How to select the right KEO countersink for your application?

Select the KEO 919-000-540 for 90° countersinking in hard materials like steel or stainless steel. The 4-flute design provides smooth cutting, while the TiN coating reduces friction. Match the 1/2 in body diameter to your toolholder and ensure the workpiece material suits cobalt tooling.

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 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
KEO Countersink: 90°, 4 Flute, 3/4 in Body Dia, TiN Coated Cobalt (MPN 919-000-544)
KEO
KEO Countersink: 90°, 4 Flute, 3/4 in Body Dia, TiN Coated Cobalt (MPN 919-000-544)
KEO Countersink: 90°, 4 Flute, 5/8 in Body Dia, TiN Coated Cobalt (MPN 919-000-542)
KEO
KEO Countersink: 90°, 4 Flute, 5/8 in Body Dia, TiN Coated Cobalt (MPN 919-000-542)
KEO Countersink: 90°, 4 Flute, 1 in Body Dia, TiN Coated Cobalt (MPN 919-000-548)
KEO
KEO Countersink: 90°, 4 Flute, 1 in Body Dia, TiN Coated Cobalt (MPN 919-000-548)
This 90° countersink features four flutes for efficient deburring and chamfering of holes in metal workpieces. The TiN-coated cobalt construction provides wear resistance. Suitable for use in drill presses, milling machines, and handheld tools to create angled seats for flathead screws or remove sharp edges
KEO
This 90° countersink features four flutes for efficient deburring and chamfering of holes in metal workpieces. The TiN-coated cobalt construction provides wear resistance. Suitable for use in drill presses, milling machines, and handheld tools to create angled seats for flathead screws or remove sharp edges
KEO Countersink: 82°, 4 Flute, 1 1/2 in Body Dia, 3/4 in Shank, TiN Coated Cobalt (MPN 917-000-288)
KEO
KEO Countersink: 82°, 4 Flute, 1 1/2 in Body Dia, 3/4 in Shank, TiN Coated Cobalt (MPN 917-000-288)
KEO Countersink: 60°, 4 Flute, 1 1/4 in Body Dia, TiN Coated Cobalt (MPN 917-000-278)
KEO
KEO Countersink: 60°, 4 Flute, 1 1/4 in Body Dia, TiN Coated Cobalt (MPN 917-000-278)

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This KEO countersink features a 60° included angle and four flutes for smooth cutting with reduced chatter. The 3/4 in body diameter is made from high-speed steel. It is used to create conical recesses for flush-mounting flat-head screws or for chamfering and deburring holes in metal or plastic
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This KEO countersink features a 60° included angle and four flutes for smooth cutting with reduced chatter. The 3/4 in body diameter is made from high-speed steel. It is used to create conical recesses for flush-mounting flat-head screws or for chamfering and deburring holes in metal or plastic
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This KEO countersink features a 90° included angle and four flutes for smooth, chatter-free cutting. Made from high-speed steel, it has a 1 1/4 in body diameter. Designed for creating chamfered holes in ferrous and non-ferrous materials in machining and metalworking applications
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