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KEO 90° Single-Flute Countersink, 3/8 in Body Dia, AlTiN Coated Carbide - Fast-Cutting Single-Flute Countersinks
KEOFast-Cutting Single-Flute Countersinks

KEO 90° Single-Flute Countersink, 3/8 in Body Dia, AlTiN Coated Carbide

<p>The KEO 90° Single-Flute Countersink (MPN 919-002-339) is a precision tool designed for fast, chatter-free countersinking in a variety of materials. With a 3/8-inch body diameter and a 90° included angle, it…

SKU 3G-OTH-185400

Also listed as: 919002339 · 919 002 339

Brand
KEO
Item
90° Single-Flute Countersink, 3/8 in Body Dia, AlTiN Coated Carbide
Part Number
919-002-339
Category
Fast-Cutting Single-Flute Countersinks
Available to Order
Also known as:919-002-339KEO
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

KEO
Manufacturer Part Number
919-002-339

Technical Documents

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

Product Description

<p>The KEO 90° Single-Flute Countersink (MPN 919-002-339) is a precision tool designed for fast, chatter-free countersinking in a variety of materials. With a 3/8-inch body diameter and a 90° included angle, it creates clean, uniform seats for flat-head screws. The single-flute design efficiently removes chips, while the AlTiN (Aluminum Titanium Nitride) coating on carbide provides excellent wear resistance and heat dissipation, extending tool life in demanding applications.</p><p>Ideal for machining, fabrication, and assembly operations, this countersink is a reliable choice for professionals. As a Singapore-based supplier, 3G Electric offers SGD quotes on request, handles GST for local buyers, and ensures fast delivery across Singapore and Southeast Asia. Worldwide shipping is also available.</p>

Frequently Asked Questions

What is the body diameter and angle of this KEO countersink?

The KEO countersink has a 3/8-inch body diameter and a 90° included angle, suitable for creating standard 90° countersunk holes.

What coating and material does this countersink have?

It features an AlTiN (Aluminum Titanium Nitride) coating on carbide, which enhances hardness and heat resistance for longer tool life.

Used in

Common applications for KEO
General machining — KEO single-flute countersinks for deburring and chamfering holes in steel and aluminum.
Automotive repair — KEO 82° countersinks for creating seats for flathead screws in engine and chassis components.
Aerospace manufacturing — KEO TiAlN-coated carbide countersinks for precision chamfering of fastener holes in hard alloys.
MRO operations — KEO left-hand keyseat cutters for milling keyways in shafts during equipment repair.
Metal fabrication — KEO 90° countersinks for chamfering plate and structural steel before welding.
Machine shop — KEO 100° countersinks for deburring cross-drilled holes in hydraulic manifolds.
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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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