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OSG 1-1/8" Fine Pitch Cobalt Roughing End Mill - General Purpose Cobalt Roughing End Mills
OSGGeneral Purpose Cobalt Roughing End Mills

OSG 1-1/8" Fine Pitch Cobalt Roughing End Mill

The OSG Roughing End Mill is a general-purpose cobalt roughing end mill with a 1-1/8" mill diameter, 2" length of cut, and 4-1/2" overall length. It features 5 flutes and a fine pitch design, identified by…

SKU 3G-OTH-269277

Brand
OSG
Item
1-1/8" Fine Pitch Cobalt Roughing End Mill
Part Number
4511500
Category
General Purpose Cobalt Roughing End Mills
Available to Order
Also known as:4511500OSG
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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
4511500
Type
Fine Pitch
Mill Dia
1-1/8"
OAL
4-1/2"
Flute
5
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 a 1-1/8" mill diameter, 2" length of cut, and 4-1/2" overall length. It features 5 flutes and a fine pitch design, identified by manufacturer part number 4511500.

Frequently Asked Questions

What is the OSG 4511500 roughing end mill used for?

The OSG 4511500 is a general-purpose cobalt roughing end mill used for heavy material removal in ferrous metals. Its fine-pitch, 5-flute design provides efficient chip evacuation and reduced vibration during roughing operations in milling applications across industrial manufacturing.

What are the specifications of the OSG 4511500 end mill?

The OSG 4511500 is a cobalt roughing end mill with a 1-1/8" mill diameter, 2" length of cut, and 4-1/2" overall length. It features 5 flutes with a fine-pitch geometry, designed for stable roughing in steel and cast iron. The manufacturer part number is 4511500.

Where to buy OSG 4511500 end mills worldwide?

3G Electric supplies the OSG 4511500 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; we source and deliver this OSG cobalt end mill to any international destination.

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 depth of cut. For heavy roughing in steel, the 4511500 with 5 flutes and fine pitch offers stability. Always verify shank compatibility with your machine tool holder before ordering.

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
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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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