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OSG Roughing End Mill: Cobalt, 6 Flute, Fine Pitch, 1-1/4" Mill Dia, 2" LOC - General Purpose Cobalt Roughing End Mills
OSGGeneral Purpose Cobalt Roughing End Mills

OSG Roughing End Mill: Cobalt, 6 Flute, Fine Pitch, 1-1/4" Mill Dia, 2" LOC

The OSG Roughing End Mill is a general-purpose cobalt roughing end mill with 6 flutes and a fine-pitch design. It has a 1-1/4" mill diameter, 2" length of cut, and 4-1/2" overall length (MPN 4512100).

SKU 3G-OTH-268929

Brand
OSG
Item
Roughing End Mill: Cobalt, 6 Flute, Fine Pitch, 1-1/4" Mill Dia, 2" 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
4512100
Type
Fine Pitch
Mill Dia
1-1/4"
OAL
4-1/2"
Flute
6
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 roughing end mill with 6 flutes and a fine-pitch design. It has a 1-1/4" mill diameter, 2" length of cut, and 4-1/2" overall length (MPN 4512100).

Frequently Asked Questions

What is an OSG roughing end mill used for?

An OSG roughing end mill is used for high-speed material removal in machining operations. Its 6-flute fine-pitch design in cobalt steel handles tough alloys and steels, making it ideal for roughing passes in mold, die, and general metalworking applications.

What are the specifications of the OSG 4512100 roughing end mill?

The OSG 4512100 is a general-purpose cobalt roughing end mill with a 1-1/4" mill diameter, 2" length of cut, 4-1/2" overall length, 6 flutes, and fine-pitch geometry. It is designed for aggressive material removal in ferrous metals.

Where to buy OSG roughing end mills worldwide?

3G Electric supplies OSG roughing end mills worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on the OSG 4512100 or other cutting tools.

How to select the right roughing end mill for steel?

Select a roughing end mill with cobalt steel for heat resistance, fine pitch for chip evacuation, and sufficient flute count for rigidity. The OSG 4512100 with 6 flutes and 1-1/4" diameter suits heavy roughing in steel. Match length of cut to your workpiece depth.

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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