OSG Roughing End Mill: Cobalt, 6 Flute, 1-1/4" Mill Dia, 4" LOC, 6-1/2" OAL (MPN 4912500)
SKU 3G-OTH-269160
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Frequently Asked Questions
What is the OSG 4912500 roughing end mill used for?
The OSG 4912500 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 where rapid stock removal and surface finish are secondary.
What are the specifications of the OSG 4912500 roughing end mill?
The OSG 4912500 is a 6-flute cobalt roughing end mill with a 1-1/4" mill diameter, 4" length of cut, and 6-1/2" overall length. It is a general purpose tool for aggressive material removal in ferrous and high-temperature alloys, manufactured by OSG under MPN 4912500.
Where to buy the OSG 4912500 roughing end mill worldwide?
You can source the OSG 4912500 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 roughing end mill.
How to select the right OSG roughing end mill for your application?
Select an OSG roughing end mill based on material hardness, required stock removal rate, and machine rigidity. For ferrous metals and high-temperature alloys, the 6-flute cobalt design of the 4912500 provides efficient chip evacuation and heat resistance. Match diameter and length of cut to your workpiece geometry.
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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.














