OSG Roughing End Mill: Cobalt, 8 Flute, 2" Mill Dia, 4" LOC, 7-3/4" OAL (MPN 4920900)
SKU 3G-OTH-269269
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Frequently Asked Questions
What is the OSG 4920900 roughing end mill used for?
The OSG 4920900 is a general purpose cobalt roughing end mill used for heavy material removal in industrial machining. It is designed for ferrous metals and high-temperature alloys, commonly applied in mold, die, and aerospace manufacturing. Its 8-flute geometry provides efficient chip evacuation and reduced vibration during roughing operations.
What are the specifications of the OSG 4920900 roughing end mill?
The OSG 4920900 is a cobalt roughing end mill with an 8-flute design, 2-inch mill diameter, 4-inch length of cut, and 7-3/4-inch overall length. It is a general purpose tool for roughing applications. The manufacturer part number is 4920900. This tool is suitable for high-speed machining of tough materials.
Where to buy the OSG 4920900 roughing end mill worldwide?
You can source the OSG 4920900 roughing end mill through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time. We supply genuine OSG cutting tools for industrial machining needs.
How to select the right OSG roughing end mill for my application?
Select an OSG roughing end mill based on material hardness, required stock removal, and machine rigidity. For general purpose roughing of steel and alloys, the 8-flute cobalt design offers good chip control and heat resistance. Match the mill diameter and length of cut to your workpiece geometry. Consult OSG technical data for feed and speed recommendations.
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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.














