OSG Roughing End Mill: Cobalt, 4 Flute, 3/4" Mill Dia, 1-5/8" LOC, 3-7/8" OAL (MPN 4401300)
SKU 3G-OTH-269070
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Frequently Asked Questions
What is the OSG 4401300 roughing end mill used for?
The OSG 4401300 is a general purpose cobalt roughing end mill used for heavy material removal in machining operations. It is suitable for ferrous metals and high-temperature alloys, commonly applied in mold making, die work, and general industrial manufacturing where rapid stock removal is needed.
What are the specifications of the OSG 4401300 roughing end mill?
The OSG 4401300 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. The manufacturer part number is 4401300. It is designed for general purpose roughing in ferrous materials and high-temperature alloys.
Where to buy the OSG 4401300 roughing end mill worldwide?
You can source the OSG 4401300 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 on this OSG cobalt end mill.
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 ferrous metals and high-temperature alloys, the cobalt grade offers heat resistance. Match flute count and diameter to your operation: 4-flute designs provide a balance of chip evacuation and finish. Consult OSG's 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.














