OSG Roughing End Mill: Cobalt, 4 Flute, 5/8" Mill Dia, 2-1/2" LOC, 4-5/8" OAL (MPN 4400700)
SKU 3G-OTH-269231
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Frequently Asked Questions
What is the OSG 4400700 roughing end mill used for?
The OSG 4400700 is a general-purpose cobalt roughing end mill used for aggressive material removal in machining operations. It is suitable for roughing ferrous metals, stainless steel, and high-temperature alloys in industrial manufacturing, tool and die shops, and aerospace applications.
What are the specifications of the OSG 4400700 roughing end mill?
The OSG 4400700 is a cobalt roughing end mill with a 5/8" mill diameter, 4 flutes, 2-1/2" length of cut (LOC), and 4-5/8" overall length (OAL). The manufacturer part number is 4400700. It is designed for general-purpose roughing in CNC and manual milling machines.
Where to buy the OSG 4400700 roughing end mill worldwide?
You can source the OSG 4400700 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 correct OSG roughing end mill for your application?
To select the correct OSG roughing end mill, match the mill diameter and length of cut to your workpiece geometry and machine spindle capacity. For the 4400700, use it for roughing ferrous materials with a 5/8" diameter. Consult OSG's technical data for recommended speeds and feeds based on material hardness.
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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.

