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OSG Roughing End Mill: Cobalt, 3 Flute, Fine Pitch, 3/4" Mill Dia, 3/4" LOC - General Purpose Cobalt Roughing End Mills
OSGGeneral Purpose Cobalt Roughing End Mills

OSG Roughing End Mill: Cobalt, 3 Flute, Fine Pitch, 3/4" Mill Dia, 3/4" LOC

The OSG Roughing End Mill is a general-purpose cobalt roughing end mill with a 3/4" mill diameter, 3/4" LOC, and 2-7/8" OAL. It features a fine pitch and 3 flutes (MPN 4205400). 3G Electric interprets your demand for…

SKU 3G-OTH-269220

Brand
OSG
Item
Roughing End Mill: Cobalt, 3 Flute, Fine Pitch, 3/4" Mill Dia, 3/4" LOC
Category
General Purpose Cobalt Roughing End Mills
Available to Order
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Worldwide Shipping
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Datasheet on Request
Technical specs
1-Day Quote
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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
4205400
Type
Fine Pitch
Mill Dia
3/4"
OAL
2-7/8"
Flute
3
LOC
3/4"

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 roughing end mill with a 3/4" mill diameter, 3/4" LOC, and 2-7/8" OAL. It features a fine pitch and 3 flutes (MPN 4205400). 3G Electric interprets your demand for this cutting tool, sources it from OSG, and provides a quote with dedicated support across 14 industrial departments — with specialist depth in machining, electrical, and power transmission.

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 4205400 roughing end mill used for?

The OSG 4205400 is a general-purpose cobalt roughing end mill used for aggressive material removal in machining operations. Its fine-pitch design and 3-flute geometry make it suitable for roughing ferrous and non-ferrous metals in industrial manufacturing, tool and die shops, and maintenance applications.

What are the specifications of the OSG 4205400 roughing end mill?

The OSG 4205400 has a 3/4" mill diameter, 3/4" length of cut (LOC), and 2-7/8" overall length (OAL). It features 3 flutes with a fine pitch and is made from cobalt steel. The manufacturer part number is 4205400. These specs define its suitability for general-purpose roughing in CNC and manual mills.

Where to buy the OSG 4205400 roughing end mill worldwide?

You can source the OSG 4205400 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 this OSG cobalt end mill to procurement teams and plant engineers internationally.

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

Select an OSG roughing end mill by matching the mill diameter and length of cut to your workpiece geometry and machine spindle capacity. For the 4205400, the 3/4" diameter and 3/4" LOC suit medium-duty roughing. Consider material hardness and coolant requirements; cobalt steel offers heat resistance for ferrous metals. Consult OSG's technical data for feed and speed recommendations.

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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OSG Roughing End Mill: Cobalt, 3 Flute, Fine Pitch, 3/8" Mill Dia, 3/8" LOC, 2-5/32" OAL (MPN 4205100)
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