OSG Roughing End Mill: Cobalt, 4 Flute, 1/2" Mill Dia, 2" LOC, 4" OAL (MPN 4900300)
SKU 3G-OTH-268899
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Frequently Asked Questions
What is the OSG 4900300 roughing end mill used for?
The OSG 4900300 is a general-purpose cobalt roughing end mill used for aggressive material removal in industrial machining. It is designed for milling ferrous metals, including steel and stainless steel, in applications such as die/mold making, automotive, and heavy equipment manufacturing.
What are the specifications of the OSG 4900300 roughing end mill?
The OSG 4900300 is a 4-flute cobalt roughing end mill with a 1/2" mill diameter, 2" length of cut, and 4" overall length. It is a general-purpose tool for roughing operations on ferrous materials, manufactured by OSG.
Where to buy the OSG 4900300 roughing end mill worldwide?
You can source the OSG 4900300 roughing end mill through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your machining operations.
How to select the right OSG roughing end mill for your application?
Select an OSG roughing end mill based on material type, required cut depth, and machine rigidity. For general-purpose ferrous machining, the 4900300 with 4 flutes and cobalt construction offers good chip evacuation and heat resistance. Match diameter and length of cut to your workpiece geometry.
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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.














