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

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

The OSG Roughing End Mill is a general-purpose cobalt end mill with TiCN coating, fine pitch, and 4 flutes. It features a 3/4" mill diameter and 2-1/2" length of cut (MPN 4551408). 3G Electric interprets this demand…

SKU 3G-OTH-268995

Brand
OSG
Item
Roughing End Mill: Cobalt, TiCN Coated, 4 Flute, Fine Pitch, 3/4" Mill Dia
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
4551408
Type
TiCN Coated, Fine Pitch
Mill Dia
3/4"
Flute
4
LOC
2-1/2"

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 end mill with TiCN coating, fine pitch, and 4 flutes. It features a 3/4" mill diameter and 2-1/2" length of cut (MPN 4551408). 3G Electric interprets this demand and delivers it across 14 industrial departments, with specialist depth in cutting tools and controls.

Frequently Asked Questions

What is the OSG 4551408 roughing end mill used for?

The OSG 4551408 is a general purpose cobalt roughing end mill used for aggressive material removal in ferrous metals. Its TiCN coating and fine pitch design suit high-feed roughing operations in mold, die, and general machining applications where surface finish is secondary to stock removal rate.

What are the specifications of the OSG 4551408 roughing end mill?

The OSG 4551408 is a 3/4" diameter cobalt roughing end mill with a 2-1/2" length of cut, 4 flutes, TiCN coating, and fine pitch geometry. It is designed for general purpose roughing in steel and cast iron. The manufacturer part number is 4551408.

Where to buy OSG 4551408 roughing end mills worldwide?

3G Electric supplies the OSG 4551408 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 on this and other OSG cutting tools.

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

Select an OSG roughing end mill based on workpiece material, required stock removal rate, and machine rigidity. For steels, the TiCN coated fine pitch 4-flute design offers good chip evacuation and heat resistance. Match the mill diameter and length of cut to your part geometry and depth of cut requirements.

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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