OSG Roughing End Mill: Cobalt, TiAlN Coated, 3 Flute, Fine Pitch, 5/16" Mill Dia
The OSG Roughing End Mill is a general-purpose cobalt end mill with a TiAlN coating, fine pitch, and 3 flutes. It has a 5/16" mill diameter and 5/16" LOC (MPN 4559311).
SKU 3G-OTH-268992
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Product Description
The OSG Roughing End Mill is a general-purpose cobalt end mill with a TiAlN coating, fine pitch, and 3 flutes. It has a 5/16" mill diameter and 5/16" LOC (MPN 4559311).
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the OSG 4559311 roughing end mill used for?
The OSG 4559311 is a general-purpose cobalt roughing end mill used for aggressive material removal in machining operations. It is suitable for roughing ferrous metals, stainless steel, and high-temperature alloys in industrial manufacturing, tool and die shops, and maintenance applications.
What are the specifications of the OSG 4559311 roughing end mill?
The OSG 4559311 is a 3-flute, fine-pitch roughing end mill with a 5/16" mill diameter and 5/16" length of cut. It is made of cobalt with a TiAlN coating for heat resistance and wear protection. The manufacturer part number is 4559311.
Where to buy the OSG 4559311 roughing end mill worldwide?
You can source the OSG 4559311 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.
How to select the correct OSG roughing end mill for your application?
Select an OSG roughing end mill based on material type, required flute count, and coating. For general-purpose roughing of steels and alloys, a 3-flute TiAlN-coated cobalt end mill like the 4559311 provides good 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.














