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OSG Roughing End Mill: Cobalt, 6 Flute, Fine Pitch, 1-1/4" Mill Dia, 4" LOC - General Purpose Cobalt Roughing End Mills
OSGGeneral Purpose Cobalt Roughing End Mills

OSG Roughing End Mill: Cobalt, 6 Flute, Fine Pitch, 1-1/4" Mill Dia, 4" LOC

The OSG Roughing End Mill is a general purpose cobalt roughing end mill with a 1-1/4" mill diameter, 4" length of cut, and 6-1/4" overall length. It features 6 flutes and a fine pitch design, identified by…

SKU 3G-OTH-269176

Brand
OSG
Item
Roughing End Mill: Cobalt, 6 Flute, Fine Pitch, 1-1/4" Mill Dia, 4" LOC
Category
General Purpose Cobalt Roughing End Mills
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Technical Specifications

OSG
Manufacturer Part Number
4511900
Type
Fine Pitch
Mill Dia
1-1/4"
OAL
6-1/4"
Flute
6
LOC
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 1-1/4" mill diameter, 4" length of cut, and 6-1/4" overall length. It features 6 flutes and a fine pitch design, identified by manufacturer part number 4511900.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the OSG 4511900 roughing end mill used for?

The OSG 4511900 is a general-purpose cobalt roughing end mill used for heavy material removal in ferrous metals. Its fine-pitch, 6-flute design provides efficient chip evacuation and reduced vibration during roughing operations in industrial machining.

What are the specifications of the OSG 4511900 roughing end mill?

The OSG 4511900 has a 1-1/4" mill diameter, 4" length of cut, and 6-1/4" overall length. It features 6 flutes with a fine pitch and is made from cobalt steel for heat resistance. The manufacturer part number is 4511900.

Where to buy the OSG 4511900 roughing end mill worldwide?

3G Electric supplies the OSG 4511900 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.

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

Select based on material, cut depth, and machine rigidity. For ferrous metals, the OSG 4511900 with cobalt construction and fine pitch suits heavy roughing. Match flute count to chip evacuation needs—6 flutes offer a balance of strength and finish.

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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