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OSG Roughing End Mill: Cobalt, 8 Flute, 2" Mill Dia, 6" LOC, 9-3/4" OAL (MPN 4421100) - General Purpose Cobalt Roughing End Mills
OSGGeneral Purpose Cobalt Roughing End Mills

OSG Roughing End Mill: Cobalt, 8 Flute, 2" Mill Dia, 6" LOC, 9-3/4" OAL (MPN 4421100)

SKU 3G-OTH-269140

Brand
OSG
Item
Roughing End Mill: Cobalt, 8 Flute, 2" Mill Dia, 6" LOC, 9-3/4" OAL
Category
General Purpose Cobalt Roughing End Mills
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Technical Specifications

OSG
Manufacturer Part Number
4421100
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the OSG 4421100 roughing end mill used for?

The OSG 4421100 roughing end mill is used for heavy material removal in industrial machining. Its 8-flute cobalt design suits general-purpose roughing on steel, stainless steel, and cast iron. It is common in mold, die, and aerospace applications where high stock removal and surface finish are needed.

What are the specifications of the OSG 4421100 roughing end mill?

The OSG 4421100 is a cobalt roughing end mill with 8 flutes, a 2-inch mill diameter, 6-inch length of cut, and 9-3/4-inch overall length. It is a general-purpose tool for roughing operations. The manufacturer part number is 4421100.

Where to buy the OSG 4421100 roughing end mill worldwide?

You can source the OSG 4421100 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 right OSG roughing end mill for my application?

Select an OSG roughing end mill based on material, flute count, and diameter. For heavy roughing on steel or stainless, the 8-flute cobalt design with 2-inch diameter suits high feed rates. Match length of cut to your depth requirements. Consult OSG's tooling guides for specific parameters.

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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