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KEO Countersink: 60°, 6 Flute, 2 1/2 in Body Dia, 1 in Shank - Smooth-Finish Six-Flute Countersinks
KEOSmooth-Finish Six-Flute Countersinks

KEO Countersink: 60°, 6 Flute, 2 1/2 in Body Dia, 1 in Shank

The KEO Countersink: 60° is a Smooth-Finish Six-Flute Countersink made from TiN Coated High Speed Steel, with a 2 1/2 in body diameter and a 1 in shank (MPN 55016-TIN). 3G Electric interprets demand for this…

SKU 3G-OTH-187870

Brand
KEO
Item
Countersink: 60°, 6 Flute, 2 1/2 in Body Dia, 1 in Shank
Category
Smooth-Finish Six-Flute Countersinks
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Technical Specifications

KEO
Manufacturer Part Number
55016-TIN
Type
TiN Coated High Speed Steel
Flute
6
Shank
1 in
Body Dia
2 1/2 in
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KEO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The KEO Countersink: 60° is a Smooth-Finish Six-Flute Countersink made from TiN Coated High Speed Steel, with a 2 1/2 in body diameter and a 1 in shank (MPN 55016-TIN). 3G Electric interprets demand for this precision tool across 14 industrial departments, with specialist depth in combustion, pumps and controls as a trust anchor, ensuring we source and support the right solution.

Frequently Asked Questions

What is the KEO 55016-TIN countersink used for?

The KEO 55016-TIN countersink is used for creating smooth, 60° chamfered holes in metal and other materials. Its six-flute design reduces chatter and vibration, making it ideal for precision deburring and countersinking in industrial machining, automotive, and aerospace applications.

What are the specifications of the KEO 55016-TIN countersink?

The KEO 55016-TIN countersink has a 60° included angle, 6 flutes, a 2 1/2 in body diameter, and a 1 in shank. It is made of TiN-coated high-speed steel for extended tool life. The manufacturer part number is 55016-TIN, and it is a smooth-finish six-flute countersink from KEO.

Where to buy the KEO 55016-TIN countersink worldwide?

You can source the KEO 55016-TIN 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; we supply this KEO countersink to procurement teams and engineers globally.

How to select the right KEO countersink for your application?

To select the right KEO countersink, match the included angle (e.g., 60°) to your fastener head angle, and choose flute count based on material: six-flute designs like the 55016-TIN provide smoother finishes on harder metals. Ensure shank diameter fits your tool holder. For high-speed steel tools, TiN coating improves wear resistance.

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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