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KEO Countersink: 110°, 1 Flute, 1 1/2 in Body Dia, 3/4 in Shank - Fast-Cutting Single-Flute Countersinks
KEOFast-Cutting Single-Flute Countersinks

KEO Countersink: 110°, 1 Flute, 1 1/2 in Body Dia, 3/4 in Shank

KEO Fast-Cutting Single-Flute Countersinks.

SKU 3G-OTH-185461

Brand
KEO
Item
Countersink: 110°, 1 Flute, 1 1/2 in Body Dia, 3/4 in Shank
Category
Fast-Cutting Single-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
55457

Technical Documents

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

Product Description

KEO Fast-Cutting Single-Flute Countersinks.

Frequently Asked Questions

What is the KEO 55457 countersink used for?

The KEO 55457 is a fast-cutting single-flute countersink designed for deburring and chamfering holes in metal. Its 110° angle and cobalt construction make it suitable for hard materials like stainless steel and tool steel in industrial machining and fabrication applications.

What are the specifications of the KEO 55457 countersink?

The KEO 55457 countersink has a 110° included angle, 1 flute, 1 1/2 in body diameter, and 3/4 in shank diameter. It is made from cobalt steel, offering heat resistance and durability for high-speed cutting. The manufacturer part number is 55457.

Where to buy the KEO 55457 countersink worldwide?

3G Electric supplies the KEO 55457 countersink worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this KEO single-flute countersink.

How to select the right KEO countersink for my application?

Select a KEO countersink based on material hardness and hole size. For hard metals like stainless steel, choose cobalt steel flutes. The 110° angle suits standard countersinking for flat-head screws. Match the body diameter to your hole size and ensure the shank fits your tool holder.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
KEO Countersink: 110°, 1 Flute, 1 3/4 in Body Dia, 3/4 in Shank, Cobalt (MPN 55458)
KEO
KEO Countersink: 110°, 1 Flute, 1 3/4 in Body Dia, 3/4 in Shank, Cobalt (MPN 55458)
KEO Countersink: 110°, 1 Flute, 2 in Body Dia, 3/4 in Shank, Cobalt (MPN 55459)
KEO
KEO Countersink: 110°, 1 Flute, 2 in Body Dia, 3/4 in Shank, Cobalt (MPN 55459)
KEO Countersink: 110°, 1 Flute, 5/8 in Body Dia, Cobalt (MPN 55453)
KEO
KEO Countersink: 110°, 1 Flute, 5/8 in Body Dia, Cobalt (MPN 55453)
KEO Countersink: 110°, 1 Flute, 3/16 in Body Dia, 3/16 in Shank, Cobalt (MPN 55449)
KEO
KEO Countersink: 110°, 1 Flute, 3/16 in Body Dia, 3/16 in Shank, Cobalt (MPN 55449)
KEO Countersink: 110°, 1 Flute, 3/4 in Body Dia, Cobalt (MPN 55454)
KEO
KEO Countersink: 110°, 1 Flute, 3/4 in Body Dia, Cobalt (MPN 55454)
KEO Countersink: 120°, 1 Flute, 1 1/2 in Body Dia, 3/4 in Shank, Cobalt (MPN 919-000-687)
KEO
KEO Countersink: 120°, 1 Flute, 1 1/2 in Body Dia, 3/4 in Shank, Cobalt (MPN 919-000-687)

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This single-flute countersink is made from AlTiN-coated high-speed steel for wear resistance. It has a 1/8 in body diameter and 1/8 in shank, with an 82° included angle. Used to create chamfered holes in metal, plastic, or wood for flush seating of flat-head screws
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