KEO Small Keyseat Cutter: Carbide, Straight Tooth, 5/16" Dia, 3/32" Thick
The KEO Small Keyseat Cutter is a carbide keyseat milling cutter with a straight tooth design, 5/16" diameter, 3/32" thickness, and 8 teeth (MPN 943-000-399). 3G Electric interprets demand for this cutting tool…
SKU 3G-OTH-304854
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Product Description
The KEO Small Keyseat Cutter is a carbide keyseat milling cutter with a straight tooth design, 5/16" diameter, 3/32" thickness, and 8 teeth (MPN 943-000-399). 3G Electric interprets demand for this cutting tool across 14 industrial departments — and we supply far more than is listed — with specialist depth in combustion, pumps and controls as a trust anchor.
Frequently Asked Questions
What is a KEO small keyseat cutter used for?
A KEO small keyseat cutter is a carbide milling tool used to cut precise keyways or keyseats in shafts and hubs for power transmission applications. It is commonly used in machining, automotive, and industrial maintenance to create slots for keys that lock rotating components.
What are the specifications of the KEO 943-000-399 keyseat cutter?
The KEO 943-000-399 is a carbide, straight-tooth keyseat cutter with a 5/16" diameter, 3/32" thickness, and 8 teeth. It is designed for milling keyways in metal parts and is suitable for use with standard milling machines and arbor setups.
Where to buy KEO keyseat cutters worldwide?
3G Electric supplies KEO keyseat cutters like the 943-000-399 to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this carbide keyseat cutter.
How to select the right KEO keyseat cutter for a keyway?
Select a KEO keyseat cutter based on the keyway width (cutter thickness) and shaft diameter. For a 5/16" diameter cutter with 3/32" thickness, match the thickness to the key width and ensure the cutter diameter clears the shaft bore. Use a straight tooth design for general keyway milling.
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Common applications for KEOKEO Products
3G Electric supplies KEO carbide keyseat milling cutters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















