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KEO Countersink: 110°, 6 Flute, 5/16 in Body Dia - Smooth-Finish Six-Flute Countersinks
KEOSmooth-Finish Six-Flute Countersinks

KEO Countersink: 110°, 6 Flute, 5/16 in Body Dia

KEO Smooth-Finish Six-Flute Countersinks.

SKU 3G-OTH-188477

Brand
KEO
Item
Countersink: 110°, 6 Flute, 5/16 in Body Dia
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
55583

Technical Documents

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

Product Description

KEO Smooth-Finish Six-Flute Countersinks.

Frequently Asked Questions

What is the KEO 55583 countersink used for?

The KEO 55583 is a 110° six-flute countersink used for deburring and chamfering holes in metal. Its cobalt construction suits harder materials like stainless steel. The six-flute design produces a smooth finish, ideal for precision machining and fabrication where a clean, burr-free edge is required.

What are the specifications of the KEO 55583 countersink?

The KEO 55583 is a 110° countersink with six flutes and a 5/16 in body diameter. It is made from cobalt for durability in tough materials. The manufacturer part number is 55583, and it is designed for smooth-finish applications. KEO is the OEM brand.

Where to buy the KEO 55583 countersink worldwide?

You can source the KEO 55583 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 item to procurement teams and engineers globally.

How to select the right KEO countersink for my application?

Select the KEO 55583 for 110° countersink angles and materials requiring a smooth finish, such as stainless steel. Match the 5/16 in body diameter to your hole size. For harder materials, the cobalt construction provides heat resistance. Always verify the flute count and angle against your machining requirements.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
This countersink features a 110° included angle and six flutes for producing smooth, burr-free chamfers on drilled holes. Made from cobalt steel, it offers heat resistance for extended tool life. Commonly used in machining and fabrication for deburring and countersinking screw holes in metal workpieces
KEO
This countersink features a 110° included angle and six flutes for producing smooth, burr-free chamfers on drilled holes. Made from cobalt steel, it offers heat resistance for extended tool life. Commonly used in machining and fabrication for deburring and countersinking screw holes in metal workpieces
KEO Countersink: 110°, 6 Flute, 3/4 in Body Dia, Cobalt (MPN 55589)
KEO
KEO Countersink: 110°, 6 Flute, 3/4 in Body Dia, Cobalt (MPN 55589)
KEO Countersink: 110°, 6 Flute, 5/8 in Body Dia, Cobalt (MPN 55587)
KEO
KEO Countersink: 110°, 6 Flute, 5/8 in Body Dia, Cobalt (MPN 55587)
KEO Countersink: 110°, 6 Flute, 1/2 in Body Dia, Cobalt (MPN 55585)
KEO
KEO Countersink: 110°, 6 Flute, 1/2 in Body Dia, Cobalt (MPN 55585)
KEO Countersink: 110°, 6 Flute, 3/16 in Body Dia, 3/16 in Shank, Cobalt (MPN 55581)
KEO
KEO Countersink: 110°, 6 Flute, 3/16 in Body Dia, 3/16 in Shank, Cobalt (MPN 55581)
KEO Countersink: 110°, 6 Flute, 3 in Body Dia, 1 in Shank, Cobalt (MPN 55597)
KEO
KEO Countersink: 110°, 6 Flute, 3 in Body Dia, 1 in Shank, Cobalt (MPN 55597)

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