We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

KEO Countersink: 90°, 4 Flute, 1 3/4 in Body Dia, 3/4 in Shank - Four-Flute Machine Countersinks
KEOFour-Flute Machine Countersinks

KEO Countersink: 90°, 4 Flute, 1 3/4 in Body Dia, 3/4 in Shank

The KEO Countersink: 90° is a four-flute machine countersink with a 1 3/4 in body diameter and 3/4 in shank, featuring an AlTiN coated cobalt construction (MPN 917-000-831). This KEO tool is designed for precision…

SKU 3G-OTH-186019

Also listed as: 917000831 · 917 000 831

Brand
KEO
Item
Countersink: 90°, 4 Flute, 1 3/4 in Body Dia, 3/4 in Shank
Category
Four-Flute Machine 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 — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

KEO
Manufacturer Part Number
917-000-831
Type
AlTiN Coated Cobalt
Flute
4
Shank
3/4 in
Body Dia
1 3/4 in

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

The KEO Countersink: 90° is a four-flute machine countersink with a 1 3/4 in body diameter and 3/4 in shank, featuring an AlTiN coated cobalt construction (MPN 917-000-831). This KEO tool is designed for precision chamfering and deburring operations.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the KEO 917-000-831 countersink used for?

The KEO 917-000-831 is a 90°, 4-flute countersink designed for deburring and chamfering holes in metal. Its AlTiN-coated cobalt construction suits high-speed machining on steel, stainless steel, and cast iron. Common in automotive, aerospace, and general manufacturing for creating clean, countersunk fastener seats.

What are the specifications of the KEO 917-000-831 countersink?

This KEO countersink has a 90° included angle, 4 flutes, 1 3/4 in body diameter, and 3/4 in shank diameter. It features AlTiN coating on cobalt steel for heat resistance and wear life. The MPN is 917-000-831. It is a four-flute machine countersink for industrial drilling applications.

Where to buy the KEO 917-000-831 countersink worldwide?

3G Electric supplies the KEO 917-000-831 countersink to global buyers. We handle full logistics, customs clearance, and delivery to worldwide destinations. As a sourcing partner, we provide this AlTiN-coated cobalt countersink for industrial deburring needs. Contact us for availability and lead time.

How to select the right KEO countersink for my application?

Select a KEO countersink based on hole angle (90° for standard fasteners), flute count (4-flute for smoother finish), and coating (AlTiN for high-heat materials). Match body diameter to hole size and shank to your tool holder. For hard metals, cobalt steel with AlTiN coating, as on the 917-000-831, improves tool life.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
KEO Countersink: 90°, 4 Flute, 1 1/2 in Body Dia, 3/4 in Shank, AlTiN Coated Cobalt (MPN 917-000-832)
KEO
KEO Countersink: 90°, 4 Flute, 1 1/2 in Body Dia, 3/4 in Shank, AlTiN Coated Cobalt (MPN 917-000-832)
KEO Countersink: 90°, 4 Flute, 2 in Body Dia, 3/4 in Shank, AlTiN Coated Cobalt (MPN 917-000-830)
KEO
KEO Countersink: 90°, 4 Flute, 2 in Body Dia, 3/4 in Shank, AlTiN Coated Cobalt (MPN 917-000-830)
KEO Countersink: 82°, 4 Flute, 1 3/4 in Body Dia, 3/4 in Shank, AlTiN Coated Cobalt (MPN 917-000-835)
KEO
KEO Countersink: 82°, 4 Flute, 1 3/4 in Body Dia, 3/4 in Shank, AlTiN Coated Cobalt (MPN 917-000-835)
KEO Countersink: 82°, 4 Flute, 1 1/2 in Body Dia, 3/4 in Shank, AlTiN Coated Cobalt (MPN 917-000-836)
KEO
KEO Countersink: 82°, 4 Flute, 1 1/2 in Body Dia, 3/4 in Shank, AlTiN Coated Cobalt (MPN 917-000-836)
KEO Countersink: 82°, 4 Flute, 2 in Body Dia, 3/4 in Shank, AlTiN Coated Cobalt (MPN 917-000-834)
KEO
KEO Countersink: 82°, 4 Flute, 2 in Body Dia, 3/4 in Shank, AlTiN Coated Cobalt (MPN 917-000-834)
KEO Countersink: 90°, 4 Flute, 1 1/4 in Body Dia, AlTiN Coated Cobalt (MPN 917-000-833)
KEO
KEO Countersink: 90°, 4 Flute, 1 1/4 in Body Dia, AlTiN Coated Cobalt (MPN 917-000-833)

More from KEO

View all KEO parts
KEO Countersink: 90°, 4 Flute, 1/2 in Body Dia, High Speed Steel (MPN 919-000-005)
KEO
KEO Countersink: 90°, 4 Flute, 1/2 in Body Dia, High Speed Steel (MPN 919-000-005)
KEO Countersink: 60°, 4 Flute, 3/4 in Body Dia, Cobalt (MPN 919-000-523)
KEO
KEO Countersink: 60°, 4 Flute, 3/4 in Body Dia, Cobalt (MPN 919-000-523)
KEO Countersink: 60°, 4 Flute, 1 3/4 in Body Dia, 3/4 in Shank, TiN Coated High Speed Steel (MPN 917-000-110)
KEO
KEO Countersink: 60°, 4 Flute, 1 3/4 in Body Dia, 3/4 in Shank, TiN Coated High Speed Steel (MPN 917-000-110)
KEO Countersink: 82°, 4 Flute, 1 1/4 in Body Dia, TiN Coated High Speed Steel (MPN 917-000-094)
KEO
KEO Countersink: 82°, 4 Flute, 1 1/4 in Body Dia, TiN Coated High Speed Steel (MPN 917-000-094)
KEO Countersink: 82°, 4 Flute, 7/8 in Body Dia, TiN Coated Cobalt (MPN 919-000-536)
KEO
KEO Countersink: 82°, 4 Flute, 7/8 in Body Dia, TiN Coated Cobalt (MPN 919-000-536)
KEO Countersink: 60°, 4 Flute, 1 1/2 in Body Dia, 3/4 in Shank, AlTiN Coated Cobalt (MPN 917-000-840)
KEO
KEO Countersink: 60°, 4 Flute, 1 1/2 in Body Dia, 3/4 in Shank, AlTiN Coated Cobalt (MPN 917-000-840)
KEO Countersink: 82°, 4 Flute, 1 1/2 in Body Dia, 3/4 in Shank, Cobalt (MPN 917-000-287)
KEO
KEO Countersink: 82°, 4 Flute, 1 1/2 in Body Dia, 3/4 in Shank, Cobalt (MPN 917-000-287)
KEO Countersink: 60°, 4 Flute, 1/2 in Body Dia, TiN Coated Cobalt (MPN 919-000-520)
KEO
KEO Countersink: 60°, 4 Flute, 1/2 in Body Dia, TiN Coated Cobalt (MPN 919-000-520)