We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

KEO Standard Keyseat Cutter: High Speed Steel, Straight Tooth, LH, 1/2" Dia - Left-Hand High-Speed Steel Keyseat Milling Cutters
KEOLeft-Hand High-Speed Steel Keyseat Milling Cutters

KEO Standard Keyseat Cutter: High Speed Steel, Straight Tooth, LH, 1/2" Dia

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

Brand
KEO
Item
Standard Keyseat Cutter: High Speed Steel, Straight Tooth, LH, 1/2" Dia
Category
Left-Hand High-Speed Steel Keyseat Milling Cutters
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

KEO
Manufacturer Part Number
943-000-639
Type
Straight Tooth, LH, ANSI # 304
Dia
1/2"
Thick
3/32"
View Full Spec Sheet

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 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.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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
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 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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
KEO Standard Keyseat Cutter: High Speed Steel, Straight Tooth, LH, 1/2" Dia, 1/8" Thick, ANSI # 404 (MPN 943-000-649). Key specifications — attr1164153: 404.
KEO
KEO Standard Keyseat Cutter: High Speed Steel, Straight Tooth, LH, 1/2" Dia, 1/8" Thick, ANSI # 404 (MPN 943-000-649). Key specifications — attr1164153: 404.
KEO Standard Keyseat Cutter: High Speed Steel, Straight Tooth, LH, 5/8" Dia, 3/32" Thick, ANSI # 305 (MPN 943-000-644). Key specifications — attr1164153: 305.
KEO
KEO Standard Keyseat Cutter: High Speed Steel, Straight Tooth, LH, 5/8" Dia, 3/32" Thick, ANSI # 305 (MPN 943-000-644). Key specifications — attr1164153: 305.
KEO Standard Keyseat Cutter: High Speed Steel, Straight Tooth, LH, 3/8" Dia, 1/8" Thick, ANSI # 403 (MPN 943-000-633). Key specifications — attr1164153: 403.
KEO
KEO Standard Keyseat Cutter: High Speed Steel, Straight Tooth, LH, 3/8" Dia, 1/8" Thick, ANSI # 403 (MPN 943-000-633). Key specifications — attr1164153: 403.
KEO Standard Keyseat Cutter: High Speed Steel, Straight Tooth, LH, 1/2" Dia, 1/16" Thick, ANSI # 204 (MPN 943-000-636). Key specifications — attr1164153: 204.
KEO
KEO Standard Keyseat Cutter: High Speed Steel, Straight Tooth, LH, 1/2" Dia, 1/16" Thick, ANSI # 204 (MPN 943-000-636). Key specifications — attr1164153: 204.
KEO Standard Keyseat Cutter: High Speed Steel, Straight Tooth, LH, 3/8" Dia, 3/32" Thick, ANSI # 303 (MPN 943-000-630). Key specifications — attr1164153: 303.
KEO
KEO Standard Keyseat Cutter: High Speed Steel, Straight Tooth, LH, 3/8" Dia, 3/32" Thick, ANSI # 303 (MPN 943-000-630). Key specifications — attr1164153: 303.
KEO Standard Keyseat Cutter: High Speed Steel, Straight Tooth, LH, 5/16" Dia, 3/32" Thick, 8 Tooth (MPN 943-000-624). Key specifications — attr1164153: 302-1/2.
KEO
KEO Standard Keyseat Cutter: High Speed Steel, Straight Tooth, LH, 5/16" Dia, 3/32" Thick, 8 Tooth (MPN 943-000-624). Key specifications — attr1164153: 302-1/2.

More from KEO

View all KEO parts
KEO Standard Keyseat Cutter: High Speed Steel, Straight Tooth, LH, 1/4" Dia, 1/16" Thick, ANSI # 202 (MPN 943-000-618). Key specifications — attr1164153: 202.
KEO
KEO Standard Keyseat Cutter: High Speed Steel, Straight Tooth, LH, 1/4" Dia, 1/16" Thick, ANSI # 202 (MPN 943-000-618). Key specifications — attr1164153: 202.
KEO Standard Keyseat Cutter: High Speed Steel, Straight Tooth, LH, 1-1/4" Dia, 3/16" Thick, 14 Tooth (MPN 943-000-744). Key specifications — attr1164153: 610.
KEO
KEO Standard Keyseat Cutter: High Speed Steel, Straight Tooth, LH, 1-1/4" Dia, 3/16" Thick, 14 Tooth (MPN 943-000-744). Key specifications — attr1164153: 610.
KEO Standard Keyseat Cutter: High Speed Steel, Straight Tooth, LH, 1-1/8" Dia, 7/32" Thick, 12 Tooth (MPN 943-000-734). Key specifications — attr1164153: 709.
KEO
KEO Standard Keyseat Cutter: High Speed Steel, Straight Tooth, LH, 1-1/8" Dia, 7/32" Thick, 12 Tooth (MPN 943-000-734). Key specifications — attr1164153: 709.
KEO Standard Keyseat Cutter: High Speed Steel, Straight Tooth, LH, 5/8" Dia, 3/16" Thick, ANSI # 605 (MPN 943-000-669). Key specifications — attr1164153: 605.
KEO
KEO Standard Keyseat Cutter: High Speed Steel, Straight Tooth, LH, 5/8" Dia, 3/16" Thick, ANSI # 605 (MPN 943-000-669). Key specifications — attr1164153: 605.
KEO Standard Keyseat Cutter: High Speed Steel, Straight Tooth, LH, 3/4" Dia, 1/8" Thick, ANSI # 406 (MPN 943-000-659). Key specifications — attr1164153: 406.
KEO
KEO Standard Keyseat Cutter: High Speed Steel, Straight Tooth, LH, 3/4" Dia, 1/8" Thick, ANSI # 406 (MPN 943-000-659). Key specifications — attr1164153: 406.
KEO Standard Keyseat Cutter: High Speed Steel, Straight Tooth, LH, 1-1/2" Dia, 5/16" Thick, 16 Tooth (MPN 943-000-789). Key specifications — attr1164153: 1012.
KEO
KEO Standard Keyseat Cutter: High Speed Steel, Straight Tooth, LH, 1-1/2" Dia, 5/16" Thick, 16 Tooth (MPN 943-000-789). Key specifications — attr1164153: 1012.
KEO Standard Keyseat Cutter: High Speed Steel, Straight Tooth, LH, 1-1/8" Dia, 5/16" Thick, 12 Tooth (MPN 943-000-774). Key specifications — attr1164153: 1009.
KEO
KEO Standard Keyseat Cutter: High Speed Steel, Straight Tooth, LH, 1-1/8" Dia, 5/16" Thick, 12 Tooth (MPN 943-000-774). Key specifications — attr1164153: 1009.
KEO Standard Keyseat Cutter: High Speed Steel, Straight Tooth, LH, 1-1/8" Dia, 1/4" Thick, 12 Tooth (MPN 943-000-739). Key specifications — attr1164153: 809.
KEO
KEO Standard Keyseat Cutter: High Speed Steel, Straight Tooth, LH, 1-1/8" Dia, 1/4" Thick, 12 Tooth (MPN 943-000-739). Key specifications — attr1164153: 809.