We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
RFQ CartGet a QuoteSign inSign up
KEO Countersink: 100°, 1 Flute, 3/4 in Body Dia - Fast-Cutting Single-Flute Countersinks
KEOFast-Cutting Single-Flute Countersinks

KEO Countersink: 100°, 1 Flute, 3/4 in Body Dia

KEO Fast-Cutting Single-Flute Countersinks.

SKU 3G-OTH-185736

Also listed as: 919000633 · 919 000 633

Brand
KEO
Item
Countersink: 100°, 1 Flute, 3/4 in Body Dia
Category
Fast-Cutting Single-Flute Countersinks
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
919-000-633

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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 100-degree chamfered holes in metal, commonly used in aerospace and automotive assembly to prepare fastener seats. Its single-flute cobalt construction provides fast cutting and durability on hardened steels and stainless alloys.

What are the specifications of the KEO 919-000-633 countersink?

The KEO 919-000-633 is a 100° single-flute countersink with a 3/4 in body diameter, made from cobalt steel. It is designed for fast cutting in hard materials. The manufacturer part number is 919-000-633, and it is sold under the KEO brand.

Where to buy the KEO 919-000-633 countersink worldwide?

3G Electric supplies the KEO 919-000-633 countersink worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this KEO single-flute countersink.

How to select the right KEO countersink for your application?

Select a KEO countersink based on the required chamfer angle (100° for flat-head screws), material hardness (cobalt for tough alloys), and body diameter matching the fastener head size. Single-flute designs offer faster chip evacuation in production environments. Always match the tool to your workpiece material.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Compatible alternatives & equivalents

Cross-referenced by specification & description
KEO Countersink: 100°, 1 Flute, 1 1/4 in Body Dia, Cobalt (MPN 919-000-637)
KEO
KEO Countersink: 100°, 1 Flute, 1 1/4 in Body Dia, Cobalt (MPN 919-000-637)
KEO Countersink: 100°, 1 Flute, 1 1/2 in Body Dia, 3/4 in Shank, Cobalt (MPN 919-000-639)
KEO
KEO Countersink: 100°, 1 Flute, 1 1/2 in Body Dia, 3/4 in Shank, Cobalt (MPN 919-000-639)
KEO Countersink: 100°, 1 Flute, 1 3/4 in Body Dia, 3/4 in Shank, Cobalt (MPN 919-000-641)
KEO
KEO Countersink: 100°, 1 Flute, 1 3/4 in Body Dia, 3/4 in Shank, Cobalt (MPN 919-000-641)
KEO Countersink: 100°, 1 Flute, 2 in Body Dia, 3/4 in Shank, Cobalt (MPN 919-000-643)
KEO
KEO Countersink: 100°, 1 Flute, 2 in Body Dia, 3/4 in Shank, Cobalt (MPN 919-000-643)
KEO Countersink: 100°, 1 Flute, 1 in Body Dia, Cobalt (MPN 919-000-635)
KEO
KEO Countersink: 100°, 1 Flute, 1 in Body Dia, Cobalt (MPN 919-000-635)
KEO Countersink: 120°, 1 Flute, 3/4 in Body Dia, Cobalt (MPN 919-000-681)
KEO
KEO Countersink: 120°, 1 Flute, 3/4 in Body Dia, Cobalt (MPN 919-000-681)

More from KEO

View all KEO parts →
This 60° single-flute countersink has a 5/8 in body diameter and is made from cobalt steel with a TiN coating. It is used for deburring and countersinking holes in metal, providing fast cutting action in steel and non-ferrous materials
KEO
This 60° single-flute countersink has a 5/8 in body diameter and is made from cobalt steel with a TiN coating. It is used for deburring and countersinking holes in metal, providing fast cutting action in steel and non-ferrous materials
This KEO countersink features a 110° angle and single-flute design for efficient deburring and countersinking. Made from high-speed steel with a 1/4 in body diameter, it is suited for use on metal, plastic, and wood in general machining applications
KEO
This KEO countersink features a 110° angle and single-flute design for efficient deburring and countersinking. Made from high-speed steel with a 1/4 in body diameter, it is suited for use on metal, plastic, and wood in general machining applications
This fast-cutting single-flute countersink is made from TiN coated high speed steel for wear resistance. It features a 60° angle, 1/8 in body diameter, and 1/8 in shank. Used for chamfering holes to accommodate screw heads and deburring in metalworking applications
KEO
This fast-cutting single-flute countersink is made from TiN coated high speed steel for wear resistance. It features a 60° angle, 1/8 in body diameter, and 1/8 in shank. Used for chamfering holes to accommodate screw heads and deburring in metalworking applications
This KEO countersink features a single-flute design with TiAlN coated carbide construction for wear resistance. It has a 1/8 in body diameter and 1/8 in shank. Used for deburring, chamfering, and countersinking holes in metal, plastic, and composite materials in general machining applications
KEO
This KEO countersink features a single-flute design with TiAlN coated carbide construction for wear resistance. It has a 1/8 in body diameter and 1/8 in shank. Used for deburring, chamfering, and countersinking holes in metal, plastic, and composite materials in general machining applications
This KEO countersink features a 60° included angle and a single-flute design for fast, chatter-free cutting. The body diameter is 1/2 in, and the tool is made from TiN-coated carbide for extended tool life. It is used for deburring and countersinking holes in ferrous and non-ferrous materials
KEO
This KEO countersink features a 60° included angle and a single-flute design for fast, chatter-free cutting. The body diameter is 1/2 in, and the tool is made from TiN-coated carbide for extended tool life. It is used for deburring and countersinking holes in ferrous and non-ferrous materials
This KEO countersink features a single-flute design for fast cutting and deburring. With a 110° included angle, it is suited for chamfering holes in metal. The body diameter is 2 in, and the shank measures 3/4 in. Constructed from high-speed steel, it is intended for general machining and fabrication tasks
KEO
This KEO countersink features a single-flute design for fast cutting and deburring. With a 110° included angle, it is suited for chamfering holes in metal. The body diameter is 2 in, and the shank measures 3/4 in. Constructed from high-speed steel, it is intended for general machining and fabrication tasks
This single-flute countersink features a 60° included angle for standard screw-head chamfering and deburring. Constructed from cobalt high-speed steel with an AlTiN coating, it is suited for use on metals, plastics, and composites. Body diameter is 1-3/4 in with a 3/4 in shank
KEO
This single-flute countersink features a 60° included angle for standard screw-head chamfering and deburring. Constructed from cobalt high-speed steel with an AlTiN coating, it is suited for use on metals, plastics, and composites. Body diameter is 1-3/4 in with a 3/4 in shank
This 90° single-flute countersink is made from AlTiN-coated high-speed steel for heat resistance and extended tool life. With a 1/8 in body diameter and 1/8 in shank, it is designed for deburring and countersinking holes in metal, plastic, and wood in production environments
KEO
This 90° single-flute countersink is made from AlTiN-coated high-speed steel for heat resistance and extended tool life. With a 1/8 in body diameter and 1/8 in shank, it is designed for deburring and countersinking holes in metal, plastic, and wood in production environments