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OSG Roughing End Mill: Cobalt, 4 Flute, 1/2" Mill Dia, 2" LOC, 4" OAL (MPN 4900300) - General Purpose Cobalt Roughing End Mills
OSGGeneral Purpose Cobalt Roughing End Mills

OSG Roughing End Mill: Cobalt, 4 Flute, 1/2" Mill Dia, 2" LOC, 4" OAL (MPN 4900300)

SKU 3G-OTH-268899

Brand
OSG
Item
Roughing End Mill: Cobalt, 4 Flute, 1/2" Mill Dia, 2" LOC, 4" OAL
Category
General Purpose Cobalt Roughing End Mills
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Technical Specifications

OSG
Manufacturer Part Number
4900300
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the OSG 4900300 roughing end mill used for?

The OSG 4900300 is a general-purpose cobalt roughing end mill used for aggressive material removal in industrial machining. It is designed for milling ferrous metals, including steel and stainless steel, in applications such as die/mold making, automotive, and heavy equipment manufacturing.

What are the specifications of the OSG 4900300 roughing end mill?

The OSG 4900300 is a 4-flute cobalt roughing end mill with a 1/2" mill diameter, 2" length of cut, and 4" overall length. It is a general-purpose tool for roughing operations on ferrous materials, manufactured by OSG.

Where to buy the OSG 4900300 roughing end mill worldwide?

You can source the OSG 4900300 roughing end mill through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your machining operations.

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

Select an OSG roughing end mill based on material type, required cut depth, and machine rigidity. For general-purpose ferrous machining, the 4900300 with 4 flutes and cobalt construction offers 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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