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KEO 100° Single-Flute Countersink, 5/8 in Body Dia, Cobalt, MPN 919-000-631 - Fast-Cutting Single-Flute Countersinks
KEOFast-Cutting Single-Flute Countersinks

KEO 100° Single-Flute Countersink, 5/8 in Body Dia, Cobalt, MPN 919-000-631

KEO Fast-Cutting Single-Flute Countersinks.

SKU 3G-OTH-185716

Also listed as: 919000631 · 919 000 631

Brand
KEO
Item
100° Single-Flute Countersink, 5/8 in Body Dia, Cobalt, MPN 919-000-631
Category
Fast-Cutting Single-Flute 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
919-000-631

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 100° countersink used for?

The KEO 100° countersink is designed for creating chamfered holes in metal, particularly for flat-head screws. Its single-flute, cobalt construction provides fast cutting and durability in industrial machining applications.

What are the specifications of the KEO 919-000-631 countersink?

The KEO 919-000-631 is a 100°, single-flute countersink with a 5/8 in body diameter. It is made from cobalt steel for heat resistance and long tool life. The MPN is 919-000-631, and it is a fast-cutting countersink from KEO.

Where to buy the KEO 919-000-631 countersink worldwide?

3G Electric supplies the KEO 919-000-631 countersink worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the right KEO countersink for my application?

Select a KEO countersink based on the screw head angle (100° for flat-head screws), material (cobalt for hard metals), and body diameter matching your hole size. Single-flute designs offer faster chip removal. Consult KEO's catalog for specific material recommendations.

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
This KEO countersink features a 100° included angle and a single-flute design for fast cutting. Made from cobalt steel, it has a 3/8 in body diameter. It is used to create conical recesses for flat-head screws and for chamfering holes in metalworking applications
KEO
This KEO countersink features a 100° included angle and a single-flute design for fast cutting. Made from cobalt steel, it has a 3/8 in body diameter. It is used to create conical recesses for flat-head screws and for chamfering holes in metalworking applications
This KEO countersink features a 100° included angle and a single-flute design for fast cutting. It has a 1/2 in body diameter and is made from cobalt, suitable for deburring and countersinking in ferrous and non-ferrous materials. Commonly used in machining and metalworking applications
KEO
This KEO countersink features a 100° included angle and a single-flute design for fast cutting. It has a 1/2 in body diameter and is made from cobalt, suitable for deburring and countersinking in ferrous and non-ferrous materials. Commonly used in machining and metalworking applications
This KEO countersink features a 100° included angle and a single-flute design for fast cutting in hard materials. The 1/4 in body diameter is made from cobalt steel, providing heat resistance for extended tool life. It is commonly used to create conical recesses for flat-head screws in metalworking applications
KEO
This KEO countersink features a 100° included angle and a single-flute design for fast cutting in hard materials. The 1/4 in body diameter is made from cobalt steel, providing heat resistance for extended tool life. It is commonly used to create conical recesses for flat-head screws in metalworking applications
This KEO countersink features a 100° included angle with a single flute design for fast cutting. Constructed from cobalt steel, it has a 1/8 in body diameter and 1/8 in shank. Used to create conical recesses for flat-head screws or rivets in metal, including hard materials
KEO
This KEO countersink features a 100° included angle with a single flute design for fast cutting. Constructed from cobalt steel, it has a 1/8 in body diameter and 1/8 in shank. Used to create conical recesses for flat-head screws or rivets in metal, including hard materials
This KEO countersink features a 100° included angle and a single-flute design for efficient chip evacuation. The cobalt steel construction provides hardness and heat resistance for use in ferrous and non-ferrous metals. With a 1-inch body diameter, it is suited for creating chamfered holes for flat-head screws in general machining applications
KEO
This KEO countersink features a 100° included angle and a single-flute design for efficient chip evacuation. The cobalt steel construction provides hardness and heat resistance for use in ferrous and non-ferrous metals. With a 1-inch body diameter, it is suited for creating chamfered holes for flat-head screws in general machining applications
This KEO countersink features a 100° included angle and a single-flute design for efficient chip evacuation. Made from cobalt steel, it is suited for creating chamfered holes in metal workpieces, including hardened steels and stainless alloys. The 3/4 in body diameter provides stability during operation
KEO
This KEO countersink features a 100° included angle and a single-flute design for efficient chip evacuation. Made from cobalt steel, it is suited for creating chamfered holes in metal workpieces, including hardened steels and stainless alloys. The 3/4 in body diameter provides stability during operation

More from KEO

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This fast-cutting single-flute countersink features a 120° included angle and a 5/8 in body diameter, constructed from cobalt. It is used to create conical recesses for flat-head screws or to deburr holes in metal. Suitable for use in drill presses or handheld tools for precise chamfering and deburring in machining and fabrication applications
KEO
This fast-cutting single-flute countersink features a 120° included angle and a 5/8 in body diameter, constructed from cobalt. It is used to create conical recesses for flat-head screws or to deburr holes in metal. Suitable for use in drill presses or handheld tools for precise chamfering and deburring in machining and fabrication applications
This KEO countersink features a 100° included angle and a single-flute design for fast cutting. The body and shank diameters are both 3/16 in. Made from cobalt steel, it is suited for creating conical recesses for flat-head screws in metalworking applications
KEO
This KEO countersink features a 100° included angle and a single-flute design for fast cutting. The body and shank diameters are both 3/16 in. Made from cobalt steel, it is suited for creating conical recesses for flat-head screws in metalworking applications
This fast-cutting single-flute countersink is made of TiN coated carbide for extended tool life. With an 82° included angle, it is used for deburring and countersinking holes in metal, plastic, or composite materials. The single-flute design minimizes chatter and provides a clean chamfer for screw holes in machining and fabrication applications
KEO
This fast-cutting single-flute countersink is made of TiN coated carbide for extended tool life. With an 82° included angle, it is used for deburring and countersinking holes in metal, plastic, or composite materials. The single-flute design minimizes chatter and provides a clean chamfer for screw holes in machining and fabrication applications
This fast-cutting single-flute countersink creates a 90° conical recess for flat-head screws. Made from AlTiN coated high-speed steel, it is suitable for deburring and countersinking in ferrous and non-ferrous materials. Body diameter is 1-1/2 in with a 3/4 in shank
KEO
This fast-cutting single-flute countersink creates a 90° conical recess for flat-head screws. Made from AlTiN coated high-speed steel, it is suitable for deburring and countersinking in ferrous and non-ferrous materials. Body diameter is 1-1/2 in with a 3/4 in shank
This 82° countersink features a single-flute design for fast, clean cutting. Made from AlTiN-coated high-speed steel with a 1/2 in body diameter. Suitable for creating conical recesses for flat-head screws in metal, wood, or plastic, and can be used in drill presses or handheld tools
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This 82° countersink features a single-flute design for fast, clean cutting. Made from AlTiN-coated high-speed steel with a 1/2 in body diameter. Suitable for creating conical recesses for flat-head screws in metal, wood, or plastic, and can be used in drill presses or handheld tools
High-speed steel single-flute countersink with 110° included angle, 1-3/4 in body diameter, and 3/4 in shank. Designed for deburring and chamfering drilled holes in metalworking applications, creating conical recesses for flat-head screws
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High-speed steel single-flute countersink with 110° included angle, 1-3/4 in body diameter, and 3/4 in shank. Designed for deburring and chamfering drilled holes in metalworking applications, creating conical recesses for flat-head screws
This single-flute countersink creates 82° chamfered holes in metal, plastic, or wood. Commonly used in machining and fabrication to deburr drilled holes or prepare countersunk screw seats. The AlTiN coating reduces friction and heat buildup for extended tool life on abrasive materials
KEO
This single-flute countersink creates 82° chamfered holes in metal, plastic, or wood. Commonly used in machining and fabrication to deburr drilled holes or prepare countersunk screw seats. The AlTiN coating reduces friction and heat buildup for extended tool life on abrasive materials
This KEO countersink features a single-flute design for fast cutting in metal, plastic, or wood. With an 82° included angle and 5/8 in body diameter, it is used for deburring and chamfering holes in machining and fabrication applications. The AlTiN-coated carbide construction provides wear resistance in high-speed production environments
KEO
This KEO countersink features a single-flute design for fast cutting in metal, plastic, or wood. With an 82° included angle and 5/8 in body diameter, it is used for deburring and chamfering holes in machining and fabrication applications. The AlTiN-coated carbide construction provides wear resistance in high-speed production environments