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OSG Roughing End Mill: Cobalt, TiAlN Coated, 3 Flute, Fine Pitch, 5/16" Mill Dia - General Purpose Cobalt Roughing End Mills
OSGGeneral Purpose Cobalt Roughing End Mills

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

Brand
OSG
Item
Roughing End Mill: Cobalt, TiAlN Coated, 3 Flute, Fine Pitch, 5/16" Mill Dia
Category
General Purpose Cobalt Roughing End Mills
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Technical Specifications

OSG
Manufacturer Part Number
4559311
Type
TiAlN Coated, Fine Pitch
Mill Dia
5/16"
Flute
3
LOC
5/16"
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

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.

Used in

Common applications for OSG
Automotive engine block production — OSG micro drill bits for oil gallery and coolant passage drilling in cast iron
Medical device manufacturing — OSG micro drill bits for drilling bone screw pilot holes in stainless steel implants
Aerospace component machining — OSG micro drill bits for fastener holes in titanium alloy structural parts
Mold and die making — OSG micro drill bits for cooling channel drilling in hardened tool steel (HRC 45-50)
Electronics enclosure fabrication — OSG micro drill bits for precision holes in aluminum alloy housings (with appropriate coating selection)
General engineering job shops — OSG micro drill bits for small-diameter hole drilling in mild steel and alloy steel parts

OSG 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.

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