Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

KEO Countersink: 60°, 4 Flute, 1 1/2 in Body Dia, 3/4 in Shank - Four-Flute Machine Countersinks
KEOFour-Flute Machine Countersinks

KEO Countersink: 60°, 4 Flute, 1 1/2 in Body Dia, 3/4 in Shank

The KEO Countersink: 60° is a four-flute machine countersink with a 1 1/2 in body diameter and 3/4 in shank, made from AlTiN coated cobalt (MPN 917-000-840). This tool is designed for precision chamfering and…

SKU 3G-OTH-185984

Also listed as: 917000840 · 917 000 840

Brand
KEO
Item
Countersink: 60°, 4 Flute, 1 1/2 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 — 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
917-000-840
Type
AlTiN Coated Cobalt
Flute
4
Shank
3/4 in
Body Dia
1 1/2 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: 60° is a four-flute machine countersink with a 1 1/2 in body diameter and 3/4 in shank, made from AlTiN coated cobalt (MPN 917-000-840). This tool is designed for precision chamfering and deburring operations in industrial machining applications.

Frequently Asked Questions

What is a KEO 60° countersink used for?

A KEO 60° countersink creates a conical recess for flathead screws or deburrs holes in metal. This 4-flute, AlTiN-coated cobalt model is designed for hard materials like stainless steel and tool steel, delivering a smooth finish and long tool life.

What are the specifications of the KEO 917-000-840 countersink?

The KEO 917-000-840 is a 60° four-flute machine countersink with a 1 1/2 in body diameter and a 3/4 in shank. It features an AlTiN coating on cobalt substrate for heat resistance and wear protection, suitable for high-speed machining.

Where to buy KEO countersinks worldwide?

3G Electric supplies KEO countersinks like the 917-000-840 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this AlTiN-coated cobalt tool.

How to select the right KEO countersink for your application?

Match the countersink angle (60° for standard flathead screws) and body diameter to your fastener size. For hard materials, choose AlTiN-coated cobalt like this KEO model. Ensure shank diameter fits your tool holder. Consult a KEO catalog for RPM and feed 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 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: 60°, 4 Flute, 1 3/4 in Body Dia, 3/4 in Shank, AlTiN Coated Cobalt (MPN 917-000-839)
KEO
KEO Countersink: 60°, 4 Flute, 1 3/4 in Body Dia, 3/4 in Shank, AlTiN Coated Cobalt (MPN 917-000-839)
KEO Countersink: 60°, 4 Flute, 2 in Body Dia, 3/4 in Shank, AlTiN Coated Cobalt (MPN 917-000-838)
KEO
KEO Countersink: 60°, 4 Flute, 2 in Body Dia, 3/4 in Shank, AlTiN Coated Cobalt (MPN 917-000-838)
KEO Countersink: 60°, 4 Flute, 1 1/4 in Body Dia, AlTiN Coated Cobalt (MPN 917-000-841)
KEO
KEO Countersink: 60°, 4 Flute, 1 1/4 in Body Dia, AlTiN Coated Cobalt (MPN 917-000-841)
KEO Countersink: 82°, 4 Flute, 1 1/4 in Body Dia, AlTiN Coated Cobalt (MPN 917-000-837)
KEO
KEO Countersink: 82°, 4 Flute, 1 1/4 in Body Dia, AlTiN Coated Cobalt (MPN 917-000-837)
KEO Countersink: 90°, 4 Flute, 1 3/4 in Body Dia, 3/4 in Shank, AlTiN Coated Cobalt (MPN 917-000-831)
KEO
KEO Countersink: 90°, 4 Flute, 1 3/4 in Body Dia, 3/4 in Shank, AlTiN Coated Cobalt (MPN 917-000-831)
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)

More from KEO

View all KEO parts
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 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, TiN Coated Cobalt (MPN 917-000-288)
KEO
KEO Countersink: 82°, 4 Flute, 1 1/2 in Body Dia, 3/4 in Shank, TiN Coated Cobalt (MPN 917-000-288)
KEO Countersink: 82°, 4 Flute, 2 in Body Dia, 3/4 in Shank, AlTiN Coated High Speed Steel (MPN 917-000-909)
KEO
KEO Countersink: 82°, 4 Flute, 2 in Body Dia, 3/4 in Shank, AlTiN Coated High Speed Steel (MPN 917-000-909)
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: 82°, 4 Flute, 2 in Body Dia, 3/4 in Shank, TiN Coated High Speed Steel (MPN 917-000-142)
KEO
KEO Countersink: 82°, 4 Flute, 2 in Body Dia, 3/4 in Shank, TiN Coated High Speed Steel (MPN 917-000-142)
KEO Countersink: 60°, 4 Flute, 1 1/2 in Body Dia, 3/4 in Shank, AlTiN Coated High Speed Steel (MPN 917-000-938)
KEO
KEO Countersink: 60°, 4 Flute, 1 1/2 in Body Dia, 3/4 in Shank, AlTiN Coated High Speed Steel (MPN 917-000-938)
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)