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KEO 82° Four-Flute Machine Countersink, 5/8 in Body Dia, Cobalt Steel - Four-Flute Machine Countersinks
KEOFour-Flute Machine Countersinks

KEO 82° Four-Flute Machine Countersink, 5/8 in Body Dia, Cobalt Steel

KEO Four-Flute Machine Countersinks.

SKU 3G-OTH-185982

Also listed as: 919000531 · 919 000 531

Brand
KEO
Item
82° Four-Flute Machine Countersink, 5/8 in Body Dia, Cobalt Steel
Category
Four-Flute Machine Countersinks
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

KEO
Manufacturer Part Number
919-000-531

Technical Documents

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

Product Description

KEO Four-Flute Machine Countersinks.

Frequently Asked Questions

What is the KEO 82° countersink used for?

The KEO 82° countersink is used to create a conical recess for flat-head screws in metalworking. Its 4-flute design provides smooth cutting and chip evacuation. Common applications include aerospace, automotive, and general machining where precise countersinking is required.

What are the specifications of the KEO 4-flute countersink?

The KEO countersink has an 82° included angle, 4 flutes, and a 5/8 in body diameter. It is made from cobalt steel for heat resistance and durability. The manufacturer part number is 919-000-531. This tool is designed for machine use in drill presses or CNC equipment.

Where to buy KEO countersinks worldwide?

You can source the KEO 82° 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 cobalt steel countersink.

How to select the correct KEO countersink size?

Select the KEO countersink based on the screw head angle and body diameter. For flat-head screws, use an 82° countersink. The 5/8 in body diameter suits medium-sized holes. Ensure the tool matches your material—cobalt steel is ideal for harder metals like stainless steel.

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 four-flute machine 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 KEO countersink features an 82° included angle and four flutes for smooth cutting and efficient chip evacuation. The 7/8 in body diameter is made from cobalt steel. It is designed for machine use to create conical recesses in metal or plastic for flat-head screws
KEO
This KEO countersink features an 82° included angle and four flutes for smooth cutting and efficient chip evacuation. The 7/8 in body diameter is made from cobalt steel. It is designed for machine use to create conical recesses in metal or plastic for flat-head screws
This KEO countersink features an 82° included angle and four flutes for smooth cutting and efficient chip clearance. Made from cobalt steel, it has a 3/4 in body diameter and is suited for use in drill presses or CNC machines to create conical recesses in ferrous and non-ferrous materials
KEO
This KEO countersink features an 82° included angle and four flutes for smooth cutting and efficient chip clearance. Made from cobalt steel, it has a 3/4 in body diameter and is suited for use in drill presses or CNC machines to create conical recesses in ferrous and non-ferrous materials
This KEO countersink features an 82° included angle and four flutes for smooth cutting and efficient chip evacuation. Made from cobalt steel for heat resistance, it has a 1/2 in body diameter. Suitable for use with drill presses and milling machines to create conical recesses for flat-head screws in metalworking
KEO
This KEO countersink features an 82° included angle and four flutes for smooth cutting and efficient chip evacuation. Made from cobalt steel for heat resistance, it has a 1/2 in body diameter. Suitable for use with drill presses and milling machines to create conical recesses for flat-head screws in metalworking
This four-flute machine countersink has an 82° included angle and a 1 1/4 in body diameter. Made from cobalt steel, it is suited for creating conical recesses for flat-head screws and deburring holes in metalworking applications. Designed for use in drill presses or CNC machines
KEO
This four-flute machine countersink has an 82° included angle and a 1 1/4 in body diameter. Made from cobalt steel, it is suited for creating conical recesses for flat-head screws and deburring holes in metalworking applications. Designed for use in drill presses or CNC machines
Four-flute machine countersink with a 90° included angle and 5/8 in body diameter. Made from cobalt steel for heat resistance. Used for deburring and chamfering holes in metal, creating a smooth seat for flat-head screws or removing sharp edges in machining and fabrication
KEO
Four-flute machine countersink with a 90° included angle and 5/8 in body diameter. Made from cobalt steel for heat resistance. Used for deburring and chamfering holes in metal, creating a smooth seat for flat-head screws or removing sharp edges in machining and fabrication
This KEO countersink features a 60° included angle and four flutes for efficient deburring and countersinking operations. The 7/8 in body diameter and TiN-coated cobalt construction provide wear resistance for use in machine tools and drill presses. It is commonly used to create conical seats for flat-head screws in metalworking applications
KEO
This KEO countersink features a 60° included angle and four flutes for efficient deburring and countersinking operations. The 7/8 in body diameter and TiN-coated cobalt construction provide wear resistance for use in machine tools and drill presses. It is commonly used to create conical seats for flat-head screws in metalworking applications

More from KEO

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This 90° countersink features four flutes for smooth cutting and reduced chatter. Designed for machine use, it creates chamfers or countersinks in metal, plastic, or wood. The high-speed steel construction and 1/2 in body diameter suit general machining and fabrication tasks
KEO
This 90° countersink features four flutes for smooth cutting and reduced chatter. Designed for machine use, it creates chamfers or countersinks in metal, plastic, or wood. The high-speed steel construction and 1/2 in body diameter suit general machining and fabrication tasks
This KEO countersink features a 60° included angle and four flutes for efficient chip evacuation. The 3/4 in body diameter is made from cobalt steel for cutting harder materials. It is used to create conical recesses for flathead screws or to deburr holes in metal workpieces
KEO
This KEO countersink features a 60° included angle and four flutes for efficient chip evacuation. The 3/4 in body diameter is made from cobalt steel for cutting harder materials. It is used to create conical recesses for flathead screws or to deburr holes in metal workpieces
This four-flute machine countersink is made of TiN coated high speed steel with a 60° included angle. It has a 1-3/4 in body diameter and a 3/4 in shank. Designed for creating conical recesses for flathead screws or chamfering holes in metal, wood, or plastic
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This four-flute machine countersink is made of TiN coated high speed steel with a 60° included angle. It has a 1-3/4 in body diameter and a 3/4 in shank. Designed for creating conical recesses for flathead screws or chamfering holes in metal, wood, or plastic
This 82° countersink features four flutes for smooth cutting and efficient chip evacuation. The TiN-coated high-speed steel construction provides wear resistance. It is used for creating conical recesses for flat-head screws and deburring holes in machining operations
KEO
This 82° countersink features four flutes for smooth cutting and efficient chip evacuation. The TiN-coated high-speed steel construction provides wear resistance. It is used for creating conical recesses for flat-head screws and deburring holes in machining operations
This four-flute countersink creates a conical recess for flat-head screws in metalworking. The 82° angle matches standard screw heads. TiN-coated cobalt construction provides heat resistance for production machining. Suitable for deburring and countersinking on ferrous and non-ferrous materials
KEO
This four-flute countersink creates a conical recess for flat-head screws in metalworking. The 82° angle matches standard screw heads. TiN-coated cobalt construction provides heat resistance for production machining. Suitable for deburring and countersinking on ferrous and non-ferrous materials
This four-flute machine countersink is made from AlTiN coated cobalt for heat resistance and wear protection. It has a 1-1/2 in body diameter and 3/4 in shank, designed for precision chamfering and deburring in industrial machining applications
KEO
This four-flute machine countersink is made from AlTiN coated cobalt for heat resistance and wear protection. It has a 1-1/2 in body diameter and 3/4 in shank, designed for precision chamfering and deburring in industrial machining applications
This four-flute machine countersink has an 82° included angle, 1 1/2 in body diameter, and 3/4 in shank. Made from cobalt steel, it is used to create conical recesses for flat-head screws in metal, suitable for high-speed machining of hardened steels and alloys
KEO
This four-flute machine countersink has an 82° included angle, 1 1/2 in body diameter, and 3/4 in shank. Made from cobalt steel, it is used to create conical recesses for flat-head screws in metal, suitable for high-speed machining of hardened steels and alloys
This KEO countersink features a 60° included angle and four flutes for efficient deburring and chamfering. The TiN-coated cobalt substrate provides heat resistance and extended tool life. With a 1/2 in body diameter, it is suitable for creating conical recesses for flathead screws or deburring holes in metal, plastic, or wood
KEO
This KEO countersink features a 60° included angle and four flutes for efficient deburring and chamfering. The TiN-coated cobalt substrate provides heat resistance and extended tool life. With a 1/2 in body diameter, it is suitable for creating conical recesses for flathead screws or deburring holes in metal, plastic, or wood