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OSG 4551511 General Purpose Cobalt Roughing End Mill - General Purpose Cobalt Roughing End Mills
OSGGeneral Purpose Cobalt Roughing End Mills

OSG 4551511 General Purpose Cobalt Roughing End Mill

The OSG Roughing End Mill is a general-purpose cobalt end mill with TiAlN coating, fine pitch, and 4 flutes. It has a 3/4" mill diameter, 3" length of cut, and 5-1/4" overall length (MPN 4551511).

SKU 3G-OTH-269166

Brand
OSG
Item
4551511 General Purpose Cobalt Roughing End Mill
Part Number
4551511
Category
General Purpose Cobalt Roughing End Mills
Available to Order
Also known as:4551511OSG
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Technical Specifications

OSG
Manufacturer Part Number
4551511
Type
TiAlN Coated, Fine Pitch
Mill Dia
3/4"
OAL
5-1/4"
Flute
4
LOC
3"

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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 TiAlN coating, fine pitch, and 4 flutes. It has a 3/4" mill diameter, 3" length of cut, and 5-1/4" overall length (MPN 4551511).

Frequently Asked Questions

What is the OSG 4551511 roughing end mill used for?

The OSG 4551511 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. The TiAlN coating enhances heat resistance and tool life.

What are the specifications of the OSG 4551511 roughing end mill?

The OSG 4551511 is a 3/4" diameter cobalt roughing end mill with TiAlN coating, 4 flutes, fine pitch, 3" length of cut, and 5-1/4" overall length. It is designed for general-purpose roughing in ferrous materials and high-temperature alloys, offering durability and heat resistance.

Where to buy the OSG 4551511 roughing end mill worldwide?

You can source the OSG 4551511 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 tool.

How to select the right OSG roughing end mill for your application?

Select an OSG roughing end mill based on material hardness, required material removal rate, and machine rigidity. For ferrous metals and high-temperature alloys, the TiAlN-coated cobalt 4551511 with 4 flutes and fine pitch is suitable. Match diameter and length of cut to your workpiece geometry and depth requirements.

Used in

Common applications for OSG
Aerospace — OSG STI taps for installing helical wire thread inserts in aluminum components
Automotive — OSG spiral-point taps for through-hole threading in engine blocks and transmission cases
General machining — OSG spiral-flute taps for blind-hole threading in steel and stainless steel parts
Heavy equipment repair — OSG thread-forming taps for creating threads in ductile iron and steel castings
Precision manufacturing — OSG solid carbide chucking reamers for finishing holes in hydraulic manifolds
Die and mold — OSG coolant-through solid carbide drills for deep-hole drilling in tool steels
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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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