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OSG Roughing End Mill: Cobalt, 6 Flute, 1-1/4" Mill Dia, 4" LOC, 6-1/2" OAL (MPN 4912500) - General Purpose Cobalt Roughing End Mills
OSGGeneral Purpose Cobalt Roughing End Mills

OSG Roughing End Mill: Cobalt, 6 Flute, 1-1/4" Mill Dia, 4" LOC, 6-1/2" OAL (MPN 4912500)

OSG General Purpose Cobalt Roughing End Mills.

SKU 3G-OTH-269160

Brand
OSG
Item
Roughing End Mill: Cobalt, 6 Flute, 1-1/4" Mill Dia, 4" LOC, 6-1/2" OAL
Category
General Purpose Cobalt Roughing End Mills
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Technical Specifications

OSG
Manufacturer Part Number
4912500

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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

OSG General Purpose Cobalt Roughing End Mills.

Frequently Asked Questions

What is the OSG 4912500 roughing end mill used for?

The OSG 4912500 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 where rapid stock removal and surface finish are secondary.

What are the specifications of the OSG 4912500 roughing end mill?

The OSG 4912500 is a 6-flute cobalt roughing end mill with a 1-1/4" mill diameter, 4" length of cut, and 6-1/2" overall length. It is a general purpose tool for aggressive material removal in ferrous and high-temperature alloys, manufactured by OSG under MPN 4912500.

Where to buy the OSG 4912500 roughing end mill worldwide?

You can source the OSG 4912500 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 cobalt roughing end mill.

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

Select an OSG roughing end mill based on material hardness, required stock removal rate, and machine rigidity. For ferrous metals and high-temperature alloys, the 6-flute cobalt design of the 4912500 provides efficient 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG Roughing End Mill: Cobalt, 6 Flute, 1-1/2" Mill Dia, 5" LOC, 7-1/2" OAL (MPN 4913900)
OSG
OSG Roughing End Mill: Cobalt, 6 Flute, 1-1/2" Mill Dia, 5" LOC, 7-1/2" OAL (MPN 4913900)
OSG Roughing End Mill: Cobalt, 6 Flute, 1-1/2" Mill Dia, 4" LOC, 6-1/2" OAL (MPN 4913700)
OSG
OSG Roughing End Mill: Cobalt, 6 Flute, 1-1/2" Mill Dia, 4" LOC, 6-1/2" OAL (MPN 4913700)
OSG Roughing End Mill: Cobalt, 6 Flute, 1-1/2" Mill Dia, 2" LOC, 4-1/2" OAL (MPN 4913300)
OSG
OSG Roughing End Mill: Cobalt, 6 Flute, 1-1/2" Mill Dia, 2" LOC, 4-1/2" OAL (MPN 4913300)
OSG Roughing End Mill: Cobalt, 8 Flute, 2" Mill Dia, 4" LOC, 7-3/4" OAL (MPN 4920900)
OSG
OSG Roughing End Mill: Cobalt, 8 Flute, 2" Mill Dia, 4" LOC, 7-3/4" OAL (MPN 4920900)
OSG Roughing End Mill: Cobalt, 8 Flute, 2" Mill Dia, 4" LOC, 6-1/2" OAL (MPN 4920500)
OSG
OSG Roughing End Mill: Cobalt, 8 Flute, 2" Mill Dia, 4" LOC, 6-1/2" OAL (MPN 4920500)
OSG Roughing End Mill: Cobalt, 8 Flute, 2" Mill Dia, 6" LOC, 9-3/4" OAL (MPN 4921100)
OSG
OSG Roughing End Mill: Cobalt, 8 Flute, 2" Mill Dia, 6" LOC, 9-3/4" OAL (MPN 4921100)

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