OSG Roughing End Mill: Cobalt, 6 Flute, 1-1/4" Mill Dia, 3" LOC, 5-1/2" OAL (MPN 4712300)

The OSG 4712300 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 6-flute design provides efficient chip evacuation and reduced vibration during roughing operations.

The OSG 4712300 is a cobalt roughing end mill with a 1-1/4 inch mill diameter, 3 inch length of cut, and 5-1/2 inch overall length. It has 6 flutes and is designed for general-purpose roughing. The manufacturer part number is 4712300, and it is made from cobalt high-speed steel for heat resistance and durability.

You can source the OSG 4712300 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 this OSG cobalt end mill to procurement teams and plant engineers internationally.

To select the right OSG roughing end mill, match the mill diameter and length of cut to your workpiece geometry and machine rigidity. For ferrous materials, choose cobalt or carbide grades. The 6-flute design suits stable setups and high-feed roughing. Always verify shank compatibility with your tool holder and consult OSG's application data for speeds and feeds.