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

KEO Left-Hand High-Speed Steel Keyseat Milling Cutter

The KEO Standard Keyseat Cutter is a left-hand high-speed steel milling cutter, straight tooth, ANSI # 304, with a 1/2" diameter and 3/32" thickness (MPN 943-000-639). 3G Electric interprets demand for this cutting…

SKU 3G-OTH-315420

Also listed as: 943000639 · 943 000 639

Brand
KEO
Item
Left-Hand High-Speed Steel Keyseat Milling Cutter
Part Number
943-000-639
Category
Left-Hand High-Speed Steel Keyseat Milling Cutters
Available to Order
Also known as:943-000-639KEO
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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
943-000-639
Type
Straight Tooth, LH, ANSI # 304
Dia
1/2"
Thick
3/32"

Technical Documents

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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, straight tooth, ANSI # 304, with a 1/2" diameter and 3/32" thickness (MPN 943-000-639). 3G Electric interprets demand for this cutting tool across 14 industrial departments, with specialist depth in machining and controls to support your sourcing.

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 is commonly applied in maintenance, repair, and production of industrial machinery, gearboxes, and power transmission components.

What are the specifications of the KEO 943-000-639 keyseat cutter?

The KEO 943-000-639 is a high-speed steel keyseat cutter with a 1/2" diameter and 3/32" thickness. It features straight tooth geometry, left-hand cut, and conforms to ANSI # 304. This tool is suitable for cutting keyways in steel and non-ferrous materials.

Where to buy KEO keyseat cutters worldwide?

KEO keyseat cutters 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 943-000-639 or other ANSI # 304 cutters.

How to select the correct KEO keyseat cutter size?

To select the correct KEO keyseat cutter, match the cutter diameter to the keyway width required by your shaft keyseat standard. For example, a 1/2" diameter cutter with 3/32" thickness suits specific keyway dimensions. Always verify the ANSI number (e.g., # 304) and rotation direction (left-hand) for your application.

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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