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OSG 4550511 General Purpose Cobalt Roughing End Mill - General Purpose Cobalt Roughing End Mills
OSGGeneral Purpose Cobalt Roughing End Mills

OSG 4550511 General Purpose Cobalt Roughing End Mill

The OSG Roughing End Mill is a general-purpose cobalt end mill with a TiAlN coating, fine pitch, and 4 flutes. It features a 5/8" mill diameter and 1-5/8" length of cut (MPN 4550511). 3G Electric interprets demand…

SKU 3G-OTH-269085

Brand
OSG
Item
4550511 General Purpose Cobalt Roughing End Mill
Part Number
4550511
Category
General Purpose Cobalt Roughing End Mills
Available to Order
Also known as:4550511OSG
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
4550511
Type
TiAlN Coated, Fine Pitch
Mill Dia
5/8"
Flute
4
LOC
1-5/8"

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 end mill with a TiAlN coating, fine pitch, and 4 flutes. It features a 5/8" mill diameter and 1-5/8" length of cut (MPN 4550511). 3G Electric interprets demand and delivers this cutting tool across 14 industrial departments, with specialist depth in machining and controls.

Frequently Asked Questions

What is the OSG 4550511 roughing end mill used for?

The OSG 4550511 is a general purpose cobalt roughing end mill designed for heavy material removal in ferrous metals. Its TiAlN coating and fine-pitch geometry make it suitable for high-speed machining in industrial applications like mold and die making, automotive, and aerospace.

What are the specifications of the OSG 4550511 end mill?

The OSG 4550511 is a 4-flute, fine-pitch roughing end mill made from cobalt steel with a TiAlN coating. It has a 5/8" mill diameter and a 1-5/8" length of cut. The manufacturer part number is 4550511, and it is classified as a general purpose cobalt roughing end mill.

Where to buy the OSG 4550511 roughing end mill worldwide?

You can source the OSG 4550511 roughing end mill through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this item.

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

Selecting the correct OSG roughing end mill involves matching the mill diameter and length of cut to your workpiece geometry. For the 4550511, the 5/8" diameter and 1-5/8" LOC suit medium-depth cuts in steel. Consider the TiAlN coating for heat resistance and the cobalt substrate for toughness in interrupted cuts.

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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