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

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

The OSG Roughing End Mill is a general-purpose cobalt end mill with a TiAlN coating, fine pitch, and 4 flutes. It has a 1/2" mill diameter, 2" length of cut, and 4" overall length (MPN 4550311). 3G Electric…

SKU 3G-OTH-268926

Brand
OSG
Item
Roughing End Mill: Cobalt, TiAlN Coated, 4 Flute, Fine Pitch, 1/2" Mill Dia
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
4550311
Type
TiAlN Coated, 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 end mill with a TiAlN coating, fine pitch, and 4 flutes. It has a 1/2" mill diameter, 2" length of cut, and 4" overall length (MPN 4550311). 3G Electric interprets your demand for this cutting tool and sources it across our 14 industrial departments, with specialist expertise in combustion, pumps, and controls ensuring we get you the right answer.

Frequently Asked Questions

What is the OSG Roughing End Mill 4550311 used for?

The OSG Roughing End Mill 4550311 is a general-purpose cobalt end mill with TiAlN coating, designed for aggressive material removal in ferrous metals, stainless steel, and high-temperature alloys. It is commonly used in CNC milling operations for roughing passes before finishing, reducing cycle times in industrial machining.

What are the specifications of the OSG Roughing End Mill 4550311?

The OSG Roughing End Mill 4550311 has a 1/2" mill diameter, 2" length of cut, and 4" overall length. It features 4 flutes with fine pitch, is made of cobalt steel, and has a TiAlN coating for heat resistance. The manufacturer part number is 4550311.

Where to buy the OSG Roughing End Mill 4550311 worldwide?

You can source the OSG Roughing End Mill 4550311 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 provide reliable sourcing for this OSG tool.

How to select the right OSG Roughing End Mill for your application?

Select the OSG Roughing End Mill based on material hardness, required stock removal, and machine rigidity. For general-purpose roughing in steel, the TiAlN-coated cobalt 4-flute fine-pitch design offers good chip evacuation and heat resistance. Match the mill diameter and length of cut to your workpiece geometry for optimal performance.

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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