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KEO Countersink: 90°, 6 Flute, 2 1/2 in Body Dia, 1 in Shank - Smooth-Finish Six-Flute Countersinks
KEOSmooth-Finish Six-Flute Countersinks

KEO Countersink: 90°, 6 Flute, 2 1/2 in Body Dia, 1 in Shank

The KEO 90° Smooth-Finish Six-Flute Countersink (MPN 55056-TIN) is a TiN Coated High Speed Steel tool with a 2 1/2 in body diameter and 1 in shank. Its six-flute design delivers a smooth finish. 3G Electric…

SKU 3G-OTH-188581

Also listed as: 55056TIN · 55056 TIN

Brand
KEO
Item
Countersink: 90°, 6 Flute, 2 1/2 in Body Dia, 1 in Shank
Category
Smooth-Finish Six-Flute Countersinks
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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
55056-TIN
Type
TiN Coated High Speed Steel
Flute
6
Shank
1 in
Body Dia
2 1/2 in

Technical Documents

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

Product Description

The KEO 90° Smooth-Finish Six-Flute Countersink (MPN 55056-TIN) is a TiN Coated High Speed Steel tool with a 2 1/2 in body diameter and 1 in shank. Its six-flute design delivers a smooth finish. 3G Electric interprets your demand for this genuine KEO tool, sourcing it across our 14 industrial departments with specialist depth in cutting tools.

Frequently Asked Questions

What is the KEO 55056-TIN countersink used for?

The KEO 55056-TIN countersink is used to create a 90° chamfer or countersink hole in metal, plastic, or wood. Its six-flute design produces a smooth finish, making it ideal for deburring and preparing holes for flat-head screws in industrial machining and fabrication.

What are the specifications of the KEO 55056-TIN countersink?

The KEO 55056-TIN countersink has a 90° included angle, 6 flutes, 2 1/2 in body diameter, and 1 in shank. It is made of TiN-coated high-speed steel for wear resistance. The manufacturer part number is 55056-TIN, and it is a smooth-finish six-flute countersink from KEO.

Where to buy the KEO 55056-TIN countersink worldwide?

You can source the KEO 55056-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 on this KEO countersink.

How to select the right KEO countersink for your application?

Select a KEO countersink based on the required chamfer angle (e.g., 90° for flat-head screws), material hardness (TiN coating for steel), and hole size. Match the body diameter to your workpiece and shank size to your tool holder. For smooth finishes, choose a six-flute design like the 55056-TIN.

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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