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OSG Roughing End Mill: Cobalt, 8 Flute, Fine Pitch, 2" Mill Dia, 2" LOC - General Purpose Cobalt Roughing End Mills
OSGGeneral Purpose Cobalt Roughing End Mills

OSG Roughing End Mill: Cobalt, 8 Flute, Fine Pitch, 2" Mill Dia, 2" LOC

The OSG Roughing End Mill is a general-purpose cobalt end mill with 8 flutes, fine pitch, a 2" mill diameter, 2" length of cut, and 4-1/2" overall length (MPN 4520100). 3G Electric interprets your demand for this OEM…

SKU 3G-OTH-269209

Brand
OSG
Item
Roughing End Mill: Cobalt, 8 Flute, Fine Pitch, 2" Mill Dia, 2" LOC
Category
General Purpose Cobalt Roughing End Mills
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OSG
Manufacturer Part Number
4520100
Type
Fine Pitch
Mill Dia
2"
OAL
4-1/2"
Flute
8
LOC
2"

Technical Documents

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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 8 flutes, fine pitch, a 2" mill diameter, 2" length of cut, and 4-1/2" overall length (MPN 4520100). 3G Electric interprets your demand for this OEM tool, sources it across 14 industrial departments, and supports your operation with specialist depth in machining and controls.

Frequently Asked Questions

What is the OSG 4520100 roughing end mill used for?

The OSG 4520100 is a general-purpose cobalt roughing end mill used for heavy material removal in industrial machining. Its 8-flute fine-pitch design suits ferrous metals, stainless steel, and high-temperature alloys. It is common in mold, die, and aerospace applications where roughing passes precede finishing.

What are the specifications of the OSG 4520100 roughing end mill?

The OSG 4520100 has a 2-inch mill diameter, 2-inch length of cut (LOC), and 4-1/2-inch overall length (OAL). It is a cobalt roughing end mill with 8 flutes and fine pitch. The manufacturer part number is 4520100. These specs define its capacity for aggressive stock removal in CNC and manual milling.

Where to buy the OSG 4520100 roughing end mill worldwide?

You can source the OSG 4520100 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; we supply genuine OSG cutting tools to procurement teams and plant engineers internationally.

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

Select an OSG roughing end mill based on material, flute count, and pitch. For heavy roughing in steel or stainless, an 8-flute fine-pitch design like the 4520100 provides chip evacuation and surface finish. Match mill diameter and LOC to your cut depth. OSG cobalt end mills offer heat resistance for high-speed machining.

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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