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OSG Roughing End Mill: Cobalt, 4 Flute, 3/8" Mill Dia, 7/8" LOC, 2-5/8" OAL (MPN 4909700) - General Purpose Cobalt Roughing End Mills
OSGGeneral Purpose Cobalt Roughing End Mills

OSG Roughing End Mill: Cobalt, 4 Flute, 3/8" Mill Dia, 7/8" LOC, 2-5/8" OAL (MPN 4909700)

SKU 3G-OTH-268957

Brand
OSG
Item
Roughing End Mill: Cobalt, 4 Flute, 3/8" Mill Dia, 7/8" LOC, 2-5/8" OAL
Category
General Purpose Cobalt Roughing End Mills
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Technical Specifications

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Manufacturer Part Number
4909700
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the OSG 4909700 roughing end mill used for?

The OSG 4909700 is a general purpose cobalt roughing end mill used for aggressive material removal in machining operations. It is designed for ferrous metals and other tough alloys, providing efficient chip evacuation and reduced cutting forces in industrial milling applications.

What are the specifications of the OSG 4909700 roughing end mill?

The OSG 4909700 is a cobalt roughing end mill with a 3/8" mill diameter, 7/8" length of cut, and 2-5/8" overall length. It has 4 flutes and is designed for general purpose roughing. The manufacturer part number is 4909700.

Where to buy the OSG 4909700 roughing end mill worldwide?

3G Electric supplies the OSG 4909700 roughing end mill worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this OSG cobalt end mill.

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

Select an OSG roughing end mill based on workpiece material, required cut depth, and machine rigidity. For general purpose roughing in ferrous metals, the 4909700 with 3/8" diameter and 4 flutes offers good chip clearance. Always match flute count and coating to material hardness for optimal tool life.

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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