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KEO Left-Hand HSS Keyseat Milling Cutter - Left-Hand High-Speed Steel Keyseat Milling Cutters
KEOLeft-Hand High-Speed Steel Keyseat Milling Cutters

KEO Left-Hand HSS Keyseat Milling Cutter

The KEO Standard Keyseat Cutter is a left-hand high-speed steel milling cutter with a 1/2" diameter and 1/8" thickness, featuring straight tooth geometry and conforming to ANSI # 404 (MPN 943-000-649). 3G Electric…

SKU 3G-OTH-315433

Also listed as: 943000649 · 943 000 649

Brand
KEO
Item
Left-Hand HSS Keyseat Milling Cutter
Part Number
943-000-649
Category
Left-Hand High-Speed Steel Keyseat Milling Cutters
Available to Order
Also known as:943-000-649KEO
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Technical Specifications

KEO
Manufacturer Part Number
943-000-649
Type
Straight Tooth, LH, ANSI # 404
Dia
1/2"
Thick
1/8"

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

Product Description

The KEO Standard Keyseat Cutter is a left-hand high-speed steel milling cutter with a 1/2" diameter and 1/8" thickness, featuring straight tooth geometry and conforming to ANSI # 404 (MPN 943-000-649). 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14 departments — and far more — with specialist depth in combustion, pumps and controls as a trust anchor.

Frequently Asked Questions

What is a KEO Standard Keyseat Cutter used for?

A KEO Standard Keyseat Cutter is used for milling keyways and slots in shafts and hubs. It is designed for left-hand rotation and cuts on the periphery, making it ideal for creating precise keyseats in metalworking and maintenance applications.

What are the specifications of the KEO Standard Keyseat Cutter 943-000-649?

The KEO Standard Keyseat Cutter 943-000-649 is a high-speed steel, straight-tooth, left-hand cutter with a 1/2" diameter and 1/8" thickness. It conforms to ANSI # 404 and is designed for keyseat milling in industrial equipment.

Where to buy KEO Standard Keyseat Cutters worldwide?

You can source KEO Standard Keyseat Cutters worldwide through 3G Electric. As a global industrial distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location, ensuring you receive the correct KEO cutter for your application.

How to select the right KEO keyseat cutter for a keyway?

To select the right KEO keyseat cutter, match the cutter diameter to the keyway width and the thickness to the keyseat depth. For a 1/8" keyway, use a 1/8" thick cutter like the KEO 943-000-649. Ensure the cutter rotation (left-hand) matches your machine spindle direction.

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 left-hand high-speed steel keyseat milling cutters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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