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KEO Countersink: 90°, 6 Flute, 1 3/4 in Body Dia, 3/4 in Shank - Smooth-Finish Six-Flute Countersinks
KEOSmooth-Finish Six-Flute Countersinks

KEO Countersink: 90°, 6 Flute, 1 3/4 in Body Dia, 3/4 in Shank

The KEO Countersink: 90° is a Smooth-Finish Six-Flute Countersink (MPN 919-002-520) with a 1 3/4 in body diameter and 3/4 in shank, made from AlTiN Coated Cobalt. This tool is designed for creating 90° countersinks…

SKU 3G-OTH-188201

Also listed as: 919002520 · 919 002 520

Brand
KEO
Item
Countersink: 90°, 6 Flute, 1 3/4 in Body Dia, 3/4 in Shank
Category
Smooth-Finish Six-Flute Countersinks
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Local availability & support

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
919-002-520
Type
AlTiN Coated Cobalt
Flute
6
Shank
3/4 in
Body Dia
1 3/4 in

Technical Documents

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

Product Description

The KEO Countersink: 90° is a Smooth-Finish Six-Flute Countersink (MPN 919-002-520) with a 1 3/4 in body diameter and 3/4 in shank, made from AlTiN Coated Cobalt. This tool is designed for creating 90° countersinks with a smooth finish.

Frequently Asked Questions

What is the KEO 919-002-520 countersink used for?

The KEO 919-002-520 is a 90°, six-flute countersink designed for producing smooth, burr-free chamfers on drilled holes in metal. It is commonly used in machining and fabrication for deburring and countersinking screw holes, especially in cobalt and hardened materials.

What are the specifications of the KEO 919-002-520 countersink?

The KEO 919-002-520 has a 90° included angle, six flutes, a 1 3/4 in body diameter, and a 3/4 in shank. It features an AlTiN coating on cobalt substrate for heat resistance and extended tool life. The manufacturer part number is 919-002-520.

Where to buy the KEO 919-002-520 countersink worldwide?

3G Electric supplies the KEO 919-002-520 countersink worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this six-flute countersink.

How to select the right KEO countersink for your application?

Select a KEO countersink based on hole diameter, material hardness, and desired finish. For steel or hardened alloys, choose a cobalt body with AlTiN coating like the 919-002-520. Ensure the shank size matches your toolholder and the angle (90°) fits your fastener requirements.

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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