Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

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 keyseat milling cutter, straight tooth design, with a 1-1/2" diameter, 5/16" thickness, and 16 teeth (MPN 943-000-789). This tool is designed for…

SKU 3G-OTH-315431

Also listed as: 943000789 · 943 000 789

Brand
KEO
Item
Left-Hand High-Speed Steel Keyseat Milling Cutter
Category
Left-Hand High-Speed Steel Keyseat Milling Cutters
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

KEO
Manufacturer Part Number
943-000-789
Type
Straight Tooth, LH
Dia
1-1/2"
Thick
5/16"
Tooth
16

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 keyseat milling cutter, straight tooth design, with a 1-1/2" diameter, 5/16" thickness, and 16 teeth (MPN 943-000-789). This tool is designed for keyseat cutting applications, offering precision and durability for industrial machining needs.

Frequently Asked Questions

What is a KEO Standard Keyseat Cutter used for?

A KEO Standard Keyseat Cutter is used for cutting keyways and slots in shafts and hubs. This left-hand, high-speed steel cutter is ideal for general machining in maintenance, repair, and production environments, providing precise, straight-sided slots in metal parts.

What are the specifications of the KEO 943-000-789 keyseat cutter?

The KEO 943-000-789 is a 1-1/2" diameter, 5/16" thick, 16-tooth, straight-tooth, left-hand high-speed steel keyseat cutter. It is designed for keyway cutting and is made from durable HSS material for long tool life in industrial applications.

Where to buy KEO keyseat cutters worldwide?

You can source KEO keyseat cutters worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location, ensuring you receive the correct tool for your machining needs.

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

Select a KEO keyseat cutter by matching its diameter and thickness to the keyway dimensions required for your shaft and hub. For a 1-1/2" diameter keyway, the KEO 943-000-789 with 5/16" thickness and 16 teeth is a standard choice. Always verify the cutter's left-hand rotation matches your machine's spindle direction.

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

Compatible alternatives & equivalents

Cross-referenced by specification & description
This left-hand high-speed steel keyseat milling cutter has a 1-1/4" diameter, 5/16" thickness, and 14 straight teeth. It is used for milling keyways and slots in shafts and hubs for mechanical power transmission
KEO
This left-hand high-speed steel keyseat milling cutter has a 1-1/4" diameter, 5/16" thickness, and 14 straight teeth. It is used for milling keyways and slots in shafts and hubs for mechanical power transmission
This left-hand high-speed steel keyseat milling cutter has a 1-1/8" diameter, 5/16" thickness, and 12 straight teeth. It is used for milling keyways and slots in shafts and hubs in general metalworking applications
KEO
This left-hand high-speed steel keyseat milling cutter has a 1-1/8" diameter, 5/16" thickness, and 12 straight teeth. It is used for milling keyways and slots in shafts and hubs in general metalworking applications
High-speed steel keyseat milling cutter with straight teeth and left-hand cut. Diameter 1-1/4", thickness 5/16", 14 teeth. Used for cutting keyways and slots in shafts and hubs for power transmission applications
KEO
High-speed steel keyseat milling cutter with straight teeth and left-hand cut. Diameter 1-1/4", thickness 5/16", 14 teeth. Used for cutting keyways and slots in shafts and hubs for power transmission applications
This left-hand keyseat milling cutter is made of high-speed steel with straight teeth. It has a 1-1/2" diameter, 1/4" thickness, and 16 teeth. Used for milling keyways and slots in shafts and hubs on milling machines
KEO
This left-hand keyseat milling cutter is made of high-speed steel with straight teeth. It has a 1-1/2" diameter, 1/4" thickness, and 16 teeth. Used for milling keyways and slots in shafts and hubs on milling machines
Left-hand high-speed steel keyseat milling cutter with straight tooth design. Diameter 1-1/2", thickness 3/8", 16 teeth. Used for cutting keyways and keyseats in shafts and hubs in industrial machining and maintenance applications
KEO
Left-hand high-speed steel keyseat milling cutter with straight tooth design. Diameter 1-1/2", thickness 3/8", 16 teeth. Used for cutting keyways and keyseats in shafts and hubs in industrial machining and maintenance applications
Left-hand high-speed steel keyseat milling cutter with straight tooth design. Diameter 1-1/4", thickness 3/16", 14 teeth. Used for milling keyways and slots in shafts and hubs for power transmission assemblies
KEO
Left-hand high-speed steel keyseat milling cutter with straight tooth design. Diameter 1-1/4", thickness 3/16", 14 teeth. Used for milling keyways and slots in shafts and hubs for power transmission assemblies

More from KEO

View all KEO parts
Left-hand high-speed steel keyseat milling cutter with straight teeth. 7/8" diameter, 3/16" thickness, ANSI #607. Used for milling keyways and slots in shafts and hubs in general industrial machining and maintenance applications
KEO
Left-hand high-speed steel keyseat milling cutter with straight teeth. 7/8" diameter, 3/16" thickness, ANSI #607. Used for milling keyways and slots in shafts and hubs in general industrial machining and maintenance applications
Left-hand high-speed steel keyseat milling cutter with straight tooth geometry. 1" diameter, 5/16" thickness, conforms to ANSI #1008. Used for cutting keyways and slots in shafts and hubs for power transmission assemblies in general machining, maintenance, repair, and production environments
KEO
Left-hand high-speed steel keyseat milling cutter with straight tooth geometry. 1" diameter, 5/16" thickness, conforms to ANSI #1008. Used for cutting keyways and slots in shafts and hubs for power transmission assemblies in general machining, maintenance, repair, and production environments
Left-hand high-speed steel keyseat milling cutter with straight tooth design. 1" diameter, 3/16" thickness, conforming to ANSI #608. Used for milling keyways and slots in shafts and hubs in industrial machining applications
KEO
Left-hand high-speed steel keyseat milling cutter with straight tooth design. 1" diameter, 3/16" thickness, conforming to ANSI #608. Used for milling keyways and slots in shafts and hubs in industrial machining applications
This left-hand keyseat milling cutter is made from high-speed steel with straight teeth. It has a 1-3/8" diameter, 5/16" thickness, and 14 teeth. Used for cutting keyways and keyseats in shafts and hubs for power transmission assemblies
KEO
This left-hand keyseat milling cutter is made from high-speed steel with straight teeth. It has a 1-3/8" diameter, 5/16" thickness, and 14 teeth. Used for cutting keyways and keyseats in shafts and hubs for power transmission assemblies
Left-hand high-speed steel keyseat milling cutter with straight teeth, 5/8" diameter and 5/32" thickness. Conforms to ANSI #505. Used for cutting keyways and slots in shafts and hubs for power transmission assemblies in general machining applications
KEO
Left-hand high-speed steel keyseat milling cutter with straight teeth, 5/8" diameter and 5/32" thickness. Conforms to ANSI #505. Used for cutting keyways and slots in shafts and hubs for power transmission assemblies in general machining applications
Left-hand high-speed steel keyseat milling cutter with straight teeth. Diameter 1", thickness 7/32", conforms to ANSI #708. Used for milling keyways and slots in shafts and hubs for power transmission assemblies
KEO
Left-hand high-speed steel keyseat milling cutter with straight teeth. Diameter 1", thickness 7/32", conforms to ANSI #708. Used for milling keyways and slots in shafts and hubs for power transmission assemblies
Left-hand high-speed steel keyseat milling cutter with straight tooth geometry. 7/8" diameter, 1/4" thickness, conforms to ANSI #807. Used for milling keyways and slots in shafts and hubs for power transmission applications
KEO
Left-hand high-speed steel keyseat milling cutter with straight tooth geometry. 7/8" diameter, 1/4" thickness, conforms to ANSI #807. Used for milling keyways and slots in shafts and hubs for power transmission applications
Left-hand high-speed steel keyseat milling cutter with straight teeth. Diameter 5/16", thickness 3/32", 8 teeth. Used for cutting keyways and keyseats in shafts and hubs for power transmission applications
KEO
Left-hand high-speed steel keyseat milling cutter with straight teeth. Diameter 5/16", thickness 3/32", 8 teeth. Used for cutting keyways and keyseats in shafts and hubs for power transmission applications