OSG Roughing End Mill: Cobalt, 4 Flute, 1/2" Mill Dia, 1-1/4" LOC, 3-1/4" OAL (MPN 4900100)
SKU 3G-OTH-269157
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Frequently Asked Questions
What is the OSG 4900100 roughing end mill used for?
The OSG 4900100 roughing end mill is used for heavy material removal in industrial machining. It is designed for general-purpose roughing operations on metals such as steel and stainless steel, commonly in mold and die making, automotive, and aerospace manufacturing.
What are the specifications of the OSG 4900100 roughing end mill?
The OSG 4900100 is a cobalt roughing end mill with 4 flutes, a 1/2" mill diameter, 1-1/4" length of cut, and 3-1/4" overall length. It is a general-purpose tool from OSG, suitable for aggressive stock removal in ferrous materials.
Where to buy the OSG 4900100 roughing end mill worldwide?
You can source the OSG 4900100 roughing end mill through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct OSG tool for your machining needs.
How to select the right OSG roughing end mill for your application?
To select the right OSG roughing end mill, match the tool diameter and length of cut to your workpiece geometry and machine rigidity. For general-purpose roughing in steel, the 4900100 with 4 flutes and cobalt construction offers good chip evacuation and heat resistance. Consult OSG's technical data for specific material recommendations.
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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.














