OSG Roughing End Mill: Cobalt, 6 Flute, 1-1/4" Mill Dia, 2" LOC, 4-1/2" OAL (MPN 4912100)

The OSG 4912100 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 4912100 is a cobalt roughing end mill with a 1-1/4 inch mill diameter, 2 inch length of cut, and 4-1/2 inch overall length. It has 6 flutes and is designed for general-purpose roughing. The manufacturer part number is 4912100, and it is suitable for use on CNC and manual milling machines.

You can source the OSG 4912100 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.

Select the OSG roughing end mill based on material hardness, required stock removal, and machine rigidity. For general-purpose roughing of steel and alloys, the 4912100 with 6 flutes and cobalt construction offers good wear resistance. Match the mill diameter and length of cut to your workpiece geometry. Consult OSG's technical data for optimal speeds and feeds.