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OSG 4509100 General Purpose Cobalt Roughing End Mill - General Purpose Cobalt Roughing End Mills
OSGGeneral Purpose Cobalt Roughing End Mills

OSG 4509100 General Purpose Cobalt Roughing End Mill

The OSG Roughing End Mill is a general purpose cobalt roughing end mill with a 1/4" mill diameter, 3/4" length of cut, and 2-1/2" overall length. It features 3 flutes and a fine pitch design (MPN 4509100).

SKU 3G-OTH-269053

Brand
OSG
Item
4509100 General Purpose Cobalt Roughing End Mill
Category
General Purpose Cobalt Roughing End Mills
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
4509100
Type
Fine Pitch
Mill Dia
1/4"
OAL
2-1/2"
Flute
3
LOC
3/4"

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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 1/4" mill diameter, 3/4" length of cut, and 2-1/2" overall length. It features 3 flutes and a fine pitch design (MPN 4509100).

Frequently Asked Questions

What is the OSG 4509100 roughing end mill used for?

The OSG 4509100 roughing end mill is used for general-purpose material removal in industrial machining. Its cobalt construction and fine-pitch, 3-flute design enable efficient chip evacuation and reduced cutting forces, making it suitable for roughing operations on steel, stainless steel, and other ferrous alloys in manufacturing and tool-and-die applications.

What are the specifications of the OSG 4509100 roughing end mill?

The OSG 4509100 is a cobalt roughing end mill with a 1/4" mill diameter, 3/4" length of cut (LOC), and 2-1/2" overall length (OAL). It has 3 flutes with fine pitch, designed for general-purpose roughing. The manufacturer part number is 4509100, and it is made by OSG, a leading cutting-tool brand.

Where to buy the OSG 4509100 roughing end mill worldwide?

You can source the OSG 4509100 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; we provide reliable sourcing for this OSG cobalt end mill.

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

To select the right OSG roughing end mill, match the mill diameter and length of cut to your workpiece geometry and machine spindle capacity. For general-purpose roughing on steel, the 1/4" diameter, 3-flute, fine-pitch design of the 4509100 offers good chip clearance. Consider material hardness and required surface finish; OSG cobalt end mills suit ferrous 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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