OSG Roughing End Mill: Cobalt, 4 Flute, 3/4" Mill Dia, 1-5/8" LOC, 3-7/8" OAL (MPN 4901300)
SKU 3G-OTH-269163
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Frequently Asked Questions
What is the OSG 4901300 roughing end mill used for?
The OSG 4901300 is a general purpose cobalt roughing end mill used for heavy material removal in industrial machining. It is designed for ferrous metals, including steel and stainless steel, in milling operations where high stock removal rates are needed before finishing.
What are the specifications of the OSG 4901300 roughing end mill?
The OSG 4901300 is a 4-flute cobalt roughing end mill with a 3/4" mill diameter, 1-5/8" length of cut, and 3-7/8" overall length. It is a general purpose tool for roughing operations on ferrous materials, manufactured by OSG.
Where to buy the OSG 4901300 roughing end mill worldwide?
You can source the OSG 4901300 roughing end mill through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the tool reaches your facility reliably.
How to select the right OSG roughing end mill for your application?
Select an OSG roughing end mill based on material type, required stock removal, and machine rigidity. For ferrous metals, the 4901300 with 4 flutes and cobalt construction offers durability. Match the mill diameter and length of cut to your workpiece geometry and depth requirements.
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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.













