We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

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

The OSG Roughing End Mill is a general-purpose cobalt end mill with TiAlN coating, fine pitch, and 4 flutes. It has a 1/4" mill diameter and 1-1/4" length of cut (MPN 4559211). 3G Electric interprets demand and…

SKU 3G-OTH-268932

Brand
OSG
Item
Roughing End Mill: Cobalt, TiAlN Coated, 4 Flute, Fine Pitch, 1/4" Mill Dia
Category
General Purpose Cobalt Roughing End Mills
Available to Order
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Worldwide Shipping
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

OSG
Manufacturer Part Number
4559211
Type
TiAlN Coated, Fine Pitch
Mill Dia
1/4"
Flute
4
LOC
1-1/4"

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 TiAlN coating, fine pitch, and 4 flutes. It has a 1/4" mill diameter and 1-1/4" length of cut (MPN 4559211). 3G Electric interprets demand and delivers this cutting tool across 14 industrial departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the OSG 4559211 roughing end mill used for?

The OSG 4559211 is a general-purpose cobalt roughing end mill with TiAlN coating, designed for aggressive material removal in machining operations. It is commonly used on steels, stainless steels, and cast irons in industrial manufacturing, tool and die shops, and maintenance facilities.

What are the specifications of the OSG 4559211 end mill?

The OSG 4559211 is a 1/4" diameter, 4-flute, fine-pitch roughing end mill with a 1-1/4" length of cut (LOC). It is made from cobalt steel with a TiAlN coating for heat resistance and wear protection. The manufacturer part number is 4559211.

Where to buy OSG 4559211 roughing end mill worldwide?

3G Electric supplies the OSG 4559211 roughing end mill to customers worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this and other OSG cutting tools.

How to select the right roughing end mill for steel?

For roughing steel, choose a cobalt or HSS-Co end mill with TiAlN coating for heat resistance. The OSG 4559211 with 4 flutes and fine pitch is suitable for general-purpose roughing. Match the diameter and length of cut to your workpiece and machine rigidity for optimal chip evacuation.

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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Cross-referenced by specification & description
OSG Roughing End Mill: Cobalt, TiAlN Coated, 4 Flute, Fine Pitch, 1/4" Mill Dia, 1/4" LOC (MPN 4559011)
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OSG Roughing End Mill: Cobalt, TiAlN Coated, 4 Flute, Fine Pitch, 1/4" Mill Dia, 1/4" LOC (MPN 4559011)
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OSG Roughing End Mill: Cobalt, TiAlN Coated, 4 Flute, Fine Pitch, 5/16" Mill Dia, 3/4" LOC (MPN 4559411)
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OSG Roughing End Mill: Cobalt, TiAlN Coated, 4 Flute, Fine Pitch, 1/2" Mill Dia, 2" LOC, 4" OAL (MPN 4550311)
OSG Roughing End Mill: Cobalt, TiAlN Coated, 4 Flute, Fine Pitch, 3/4" Mill Dia, 3" LOC, 5-1/4" OAL (MPN 4551511)
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OSG Roughing End Mill: Cobalt, TiAlN Coated, 4 Flute, Fine Pitch, 3/4" Mill Dia, 3" LOC, 5-1/4" OAL (MPN 4551511)

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