OSG Roughing End Mill: Cobalt, 4 Flute, 7/16" Mill Dia, 1" LOC, 2-11/16" OAL (MPN 4909900)
SKU 3G-OTH-268998
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Frequently Asked Questions
What is the OSG 4909900 roughing end mill used for?
The OSG 4909900 is a general-purpose cobalt roughing end mill used for heavy material removal in machining operations. It is suitable for ferrous and non-ferrous metals, providing efficient chip evacuation and reduced cutting forces in industrial manufacturing.
What are the specifications of the OSG 4909900 end mill?
The OSG 4909900 is a 4-flute cobalt roughing end mill with a 7/16" mill diameter, 1" length of cut, and 2-11/16" overall length. It is designed for general-purpose roughing applications and is manufactured by OSG.
Where to buy the OSG 4909900 roughing end mill worldwide?
3G Electric supplies the OSG 4909900 roughing end mill worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to select the correct roughing end mill for your application?
Select a roughing end mill based on material type, flute count, and diameter. For general-purpose machining of steel or stainless steel, a 4-flute cobalt end mill like the OSG 4909900 offers durability and chip clearance. Match length of cut to your workpiece depth.
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Common applications for OSGOSG Products
3G Electric supplies OSG general purpose cobalt roughing end mills. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













