OSG Roughing End Mill: Cobalt, 8 Flute, 2" Mill Dia, 2" LOC, 4-1/2" OAL (MPN 4920100)
SKU 3G-OTH-269161
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Frequently Asked Questions
What is an OSG roughing end mill used for?
An OSG roughing end mill is used for high-speed material removal in machining operations. It efficiently cuts steel, stainless steel, and other alloys, leaving a rough surface finish that is later refined with a finishing end mill. This tool is common in automotive, aerospace, and general manufacturing.
What are the specifications of the OSG 4920100 roughing end mill?
The OSG 4920100 is a general-purpose cobalt roughing end mill with 8 flutes, a 2-inch mill diameter, a 2-inch length of cut, and a 4-1/2-inch overall length. It is designed for aggressive material removal in ferrous metals and is suitable for CNC and manual milling machines.
Where to buy OSG roughing end mills worldwide?
You can source OSG roughing end mills worldwide through 3G Electric, a global industrial supplier. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the OSG 4920100 or other OSG cutting tools.
How to select the right roughing end mill for your application?
Select a roughing end mill based on material hardness, required stock removal rate, and machine rigidity. For general-purpose machining of steel, a cobalt roughing end mill like the OSG 4920100 with 8 flutes offers good chip evacuation and durability. Match flute count and coating to your specific workpiece material.
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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.














