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KEO 100° Smooth-Finish Six-Flute Countersink - Smooth-Finish Six-Flute Countersinks
KEOSmooth-Finish Six-Flute Countersinks

KEO 100° Smooth-Finish Six-Flute Countersink

The KEO Countersink: 100° is a smooth-finish six-flute countersink made from high-speed steel, with a 3/4 in shank and a 1 3/4 in body diameter (MPN 919-000-436). This tool is designed for creating 100° countersunk…

SKU 3G-OTH-188101

Also listed as: 919000436 · 919 000 436

Brand
KEO
Item
100° Smooth-Finish Six-Flute Countersink
Part Number
919-000-436
Category
Smooth-Finish Six-Flute Countersinks
Available to Order
Also known as:919-000-436KEO
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Technical Specifications

KEO
Manufacturer Part Number
919-000-436
Type
High Speed Steel
Flute
6
Shank
3/4 in
Body Dia
1 3/4 in

Technical Documents

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

Product Description

The KEO Countersink: 100° is a smooth-finish six-flute countersink made from high-speed steel, with a 3/4 in shank and a 1 3/4 in body diameter (MPN 919-000-436). This tool is designed for creating 100° countersunk holes in industrial applications.

Frequently Asked Questions

What is a KEO 100° countersink used for?

A KEO 100° countersink is used to create a conical recess in metal or plastic for flat-head screws or rivets. The 100° angle is common in aerospace and sheet-metal work. Its six-flute design produces a smooth finish and reduces chatter during operation.

What are the specifications of the KEO 919-000-436 countersink?

The KEO 919-000-436 is a 100°, six-flute countersink made from high-speed steel. It has a 1 3/4 in body diameter and a 3/4 in shank. This tool is designed for smooth-finish applications and is suitable for use in drill presses or handheld tools.

Where to buy KEO countersinks worldwide?

KEO countersinks are available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for pricing and lead time on the KEO 919-000-436 or other models.

How to select the right KEO countersink for your application?

Select a KEO countersink based on the screw head angle (e.g., 100° for aerospace), material (high-speed steel for general use), and shank size matching your tool holder. For a smooth finish on steel or aluminum, the six-flute design reduces vibration. Always match body diameter to the recess depth needed.

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 smooth-finish six-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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