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OSG Roughing End Mill: Cobalt, 3 Flute, Fine Pitch, 3/8" Mill Dia, 3/8" LOC - General Purpose Cobalt Roughing End Mills
OSGGeneral Purpose Cobalt Roughing End Mills

OSG Roughing End Mill: Cobalt, 3 Flute, Fine Pitch, 3/8" Mill Dia, 3/8" LOC

The OSG Roughing End Mill is a general-purpose cobalt roughing end mill with a 3/8" mill diameter, 3/8" LOC, and 2-5/32" OAL. It features a fine pitch and 3 flutes (MPN 4205100). 3G Electric interprets your demand…

SKU 3G-OTH-269286

Brand
OSG
Item
Roughing End Mill: Cobalt, 3 Flute, Fine Pitch, 3/8" Mill Dia, 3/8" LOC
Category
General Purpose Cobalt Roughing End Mills
Available to Order
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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
4205100
Type
Fine Pitch
Mill Dia
3/8"
OAL
2-5/32"
Flute
3
LOC
3/8"

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 3/8" mill diameter, 3/8" LOC, and 2-5/32" OAL. It features a fine pitch and 3 flutes (MPN 4205100). 3G Electric interprets your demand for this cutting tool, sources it across 14 industrial departments, and provides specialist support to ensure you get the right solution.

Frequently Asked Questions

What is the OSG 4205100 roughing end mill used for?

The OSG 4205100 is a general-purpose cobalt roughing end mill used for aggressive material removal in ferrous and non-ferrous metals. Its fine-pitch, 3-flute design enables faster chip evacuation and reduced vibration during roughing operations in milling applications.

What are the specifications of the OSG 4205100 roughing end mill?

The OSG 4205100 has a 3/8" mill diameter, 3/8" length of cut (LOC), and 2-5/32" overall length (OAL). It features 3 flutes with a fine-pitch geometry and is made from cobalt steel for heat resistance and durability in general-purpose roughing.

Where to buy the OSG 4205100 roughing end mill worldwide?

You can source the OSG 4205100 roughing end mill through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your machining operations.

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

Select based on material, cut depth, and machine rigidity. For general-purpose roughing in steel or stainless, the OSG 4205100 with 3/8" diameter and fine pitch offers good chip clearance. Match flute count to material hardness—fewer flutes for softer materials, more for harder alloys.

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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