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

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

The OSG Roughing End Mill is a general-purpose cobalt roughing end mill with a 1-1/4" mill diameter, 1-1/4" length of cut, and 3-3/4" overall length. It features a fine-pitch design with 4 flutes (MPN 4205800).

SKU 3G-OTH-268940

Brand
OSG
Item
Roughing End Mill: Cobalt, 4 Flute, Fine Pitch, 1-1/4" Mill Dia, 1-1/4" 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
4205800
Type
Fine Pitch
Mill Dia
1-1/4"
OAL
3-3/4"
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 roughing end mill with a 1-1/4" mill diameter, 1-1/4" length of cut, and 3-3/4" overall length. It features a fine-pitch design with 4 flutes (MPN 4205800).

Frequently Asked Questions

What is the OSG 4205800 roughing end mill used for?

The OSG 4205800 is a general-purpose cobalt roughing end mill used for aggressive material removal in ferrous and non-ferrous metals. Its fine-pitch, 4-flute design suits CNC milling and manual machining in mold, die, and automotive applications.

What are the specifications of the OSG 4205800 roughing end mill?

The OSG 4205800 is a cobalt roughing end mill with a 1-1/4" mill diameter, 1-1/4" length of cut, 3-3/4" overall length, 4 flutes, and fine-pitch geometry. It is designed for general-purpose roughing operations in industrial machining.

Where to buy the OSG 4205800 roughing end mill worldwide?

3G Electric supplies the OSG 4205800 roughing end mill worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time.

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

Select an OSG roughing end mill by matching mill diameter, length of cut, and flute count to your material and machine. For the 4205800, use its 1-1/4" diameter and fine pitch for high-feed roughing in steel. Consult OSG's technical data for optimal speeds and feeds.

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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