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KEO Countersink: 90°, 1 Flute, 3/8 in Body Dia - Fast-Cutting Single-Flute Countersinks
KEOFast-Cutting Single-Flute Countersinks

KEO Countersink: 90°, 1 Flute, 3/8 in Body Dia

SKU 3G-OTH-185265

Brand
KEO
Item
Countersink: 90°, 1 Flute, 3/8 in Body Dia
Category
Fast-Cutting Single-Flute Countersinks
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Technical Specifications

KEO
Manufacturer Part Number
919-000-171
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KEO Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the KEO 90° countersink used for?

The KEO 90° countersink is used to create a conical recess for flat-head screws in metal, wood, or plastic. Its single-flute design provides fast, chatter-free cutting, making it ideal for deburring and countersinking in manual or CNC drilling operations.

What are the specifications of the KEO 90° countersink?

This KEO countersink has a 90° included angle, 1 flute, and a 3/8 in body diameter. It is made from high-speed steel (HSS) for durability. The manufacturer part number is 919-000-171. It is designed for fast-cutting single-flute countersinking applications.

Where to buy the KEO 90° countersink worldwide?

You can source the KEO 90° 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 part number 919-000-171.

How to select the correct KEO countersink size?

Select the KEO countersink based on the screw head diameter and desired countersink angle. For flat-head screws, a 90° angle is standard. Ensure the body diameter (3/8 in for this model) matches your tool holder. Always verify the material compatibility with high-speed steel for optimal cutting performance.

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 fast-cutting single-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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