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OSG Roughing End Mill: Cobalt, 4 Flute, Fine Pitch, 1/2" Mill Dia, 2" LOC - General Purpose Cobalt Roughing End Mills
OSGGeneral Purpose Cobalt Roughing End Mills

OSG Roughing End Mill: Cobalt, 4 Flute, Fine Pitch, 1/2" Mill Dia, 2" LOC

The OSG Roughing End Mill is a general-purpose cobalt roughing end mill (MPN 4500300) with a 1/2" mill diameter, 2" length of cut, and 4" overall length. It features 4 flutes and a fine-pitch design for efficient…

SKU 3G-OTH-269103

Brand
OSG
Item
Roughing End Mill: Cobalt, 4 Flute, Fine Pitch, 1/2" 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
4500300
Type
Fine Pitch
Mill Dia
1/2"
OAL
4"
Flute
4
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 roughing end mill (MPN 4500300) with a 1/2" mill diameter, 2" length of cut, and 4" overall length. It features 4 flutes and a fine-pitch design for efficient material removal.

Frequently Asked Questions

What is the OSG 4500300 roughing end mill used for?

The OSG 4500300 is a general-purpose cobalt roughing end mill designed for aggressive material removal in machining operations. Its fine-pitch geometry and 4-flute design suit ferrous metals, stainless steel, and high-temperature alloys, delivering efficient chip evacuation and reduced cutting forces in industrial milling applications.

What are the specifications of the OSG 4500300 roughing end mill?

The OSG 4500300 has a 1/2" mill diameter, 2" length of cut (LOC), and 4" overall length (OAL). It features 4 flutes with fine pitch, is made from cobalt high-speed steel, and is designed for general-purpose roughing. The manufacturer part number is 4500300.

Where to buy the OSG 4500300 roughing end mill worldwide?

3G Electric supplies the OSG 4500300 roughing end mill to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this OSG cobalt end mill.

How to select the correct roughing end mill for your application?

Selecting the right roughing end mill involves matching the mill diameter, length of cut, and flute count to your material and machine. For the OSG 4500300, its 1/2" diameter and fine pitch suit medium-to-heavy roughing in steels. Always verify shank compatibility and recommended speeds/feeds from the manufacturer.

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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