OSG Roughing End Mill: Cobalt, 4 Flute, 3/4" Mill Dia, 2-1/4" LOC, 4-1/2" OAL (MPN 4901400)
SKU 3G-OTH-268994
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Frequently Asked Questions
What is the OSG 4901400 roughing end mill used for?
The OSG 4901400 is a general purpose cobalt roughing end mill used for heavy material removal in industrial machining. It is designed for ferrous metals, stainless steel, and high-temperature alloys, commonly applied in mold, die, and aerospace manufacturing.
What are the specifications of the OSG 4901400 roughing end mill?
The OSG 4901400 is a 4-flute cobalt roughing end mill with a 3/4" mill diameter, 2-1/4" length of cut, and 4-1/2" overall length. It is a general purpose tool for aggressive stock removal in CNC and manual milling operations.
Where to buy the OSG 4901400 roughing end mill worldwide?
You can source the OSG 4901400 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 needs.
How to select the right OSG roughing end mill for your application?
Select an OSG roughing end mill based on material hardness, flute count, and diameter. For heavy roughing in steel or stainless, a 4-flute cobalt tool like the 4901400 offers durability. Match the length of cut to your workpiece depth and use appropriate speeds and feeds per OSG guidelines.
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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.












