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KEO Countersink: 120°, 6 Flute, 1 1/2 in Body Dia, 3/4 in Shank - Smooth-Finish Six-Flute Countersinks
KEOSmooth-Finish Six-Flute Countersinks

KEO Countersink: 120°, 6 Flute, 1 1/2 in Body Dia, 3/4 in Shank

The KEO Countersink: 120° is a Smooth-Finish Six-Flute Countersink made of High Speed Steel, with a 1 1/2 in body diameter and a 3/4 in shank (MPN 919-000-508). This KEO-branded tool is designed for creating 120°…

SKU 3G-OTH-188539

Brand
KEO
Item
Countersink: 120°, 6 Flute, 1 1/2 in Body Dia, 3/4 in Shank
Category
Smooth-Finish Six-Flute Countersinks
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Technical Specifications

KEO
Manufacturer Part Number
919-000-508
Type
High Speed Steel
Flute
6
Shank
3/4 in
Body Dia
1 1/2 in
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KEO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The KEO Countersink: 120° is a Smooth-Finish Six-Flute Countersink made of High Speed Steel, with a 1 1/2 in body diameter and a 3/4 in shank (MPN 919-000-508). This KEO-branded tool is designed for creating 120° countersunk holes with a smooth finish.

Frequently Asked Questions

What is a KEO 120° 6-flute countersink used for?

This KEO countersink is used for deburring and chamfering holes in metal, creating a smooth 120° countersunk seat for flat-head screws. Its six-flute design reduces chatter and produces a fine finish, making it ideal for precision machining and tool-and-die work.

What are the specifications of the KEO 919-000-508 countersink?

The KEO 919-000-508 is a 120° countersink with six flutes, a 1 1/2 in body diameter, and a 3/4 in shank. It is made of high-speed steel (HSS) for durability in ferrous and non-ferrous materials. The smooth-finish design minimizes vibration during operation.

Where to buy KEO countersinks worldwide?

3G Electric supplies KEO countersinks worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on the KEO 919-000-508 or other HSS countersink models.

How to select the right KEO countersink for your application?

Select a KEO countersink based on hole angle (e.g., 120° for standard flat-head screws), material (HSS for general metalworking), and shank size to match your tool holder. For chatter-free finishing, choose a six-flute design. Always match body diameter to the hole size.

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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