We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

OSG Roughing End Mill: Cobalt, 4 Flute, Fine Pitch, 3/4" Mill Dia, 1-5/8" LOC - General Purpose Cobalt Roughing End Mills
OSGGeneral Purpose Cobalt Roughing End Mills

OSG Roughing End Mill: Cobalt, 4 Flute, Fine Pitch, 3/4" Mill Dia, 1-5/8" LOC

The OSG Roughing End Mill is a general-purpose cobalt roughing end mill with a 3/4" mill diameter, 1-5/8" length of cut, and 3-7/8" overall length. It features 4 flutes and a fine pitch design (MPN 4500900). 3G…

SKU 3G-OTH-268939

Brand
OSG
Item
Roughing End Mill: Cobalt, 4 Flute, Fine Pitch, 3/4" Mill Dia, 1-5/8" LOC
Category
General Purpose Cobalt Roughing End Mills
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

OSG
Manufacturer Part Number
4500900
Type
Fine Pitch
Mill Dia
3/4"
OAL
3-7/8"
Flute
4
LOC
1-5/8"

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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 3/4" mill diameter, 1-5/8" length of cut, and 3-7/8" overall length. It features 4 flutes and a fine pitch design (MPN 4500900). 3G Electric interprets this demand and sources the genuine OSG tool, backed by specialist expertise across 14 industrial departments.

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 an OSG roughing end mill used for?

An OSG roughing end mill is used for high-speed material removal in machining operations. Its fine-pitch, 4-flute cobalt design handles heavy cuts in steel and alloys, making it ideal for roughing passes before finishing in industrial manufacturing.

What are the specifications of the OSG 4500900 roughing end mill?

The OSG 4500900 roughing end mill has a 3/4" mill diameter, 1-5/8" length of cut (LOC), and 3-7/8" overall length (OAL). It is a cobalt, 4-flute, fine-pitch tool designed for general-purpose roughing in metalworking.

Where to buy OSG roughing end mills worldwide?

3G Electric supplies OSG roughing end mills worldwide, handling full logistics and customs clearance. As a global industrial sourcing partner, we provide genuine OSG cutting tools like the 4500900 to customers across 14 departments, including machining and tooling.

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

Select a roughing end mill based on material, flute count, and pitch. For steel roughing, a 4-flute fine-pitch cobalt tool like the OSG 4500900 offers efficient chip evacuation and durability. Match mill diameter and LOC to your workpiece geometry and machine rigidity.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG Roughing End Mill: Cobalt, 4 Flute, Fine Pitch, 5/8" Mill Dia, 2-1/2" LOC, 4-5/8" OAL (MPN 4500700)
OSG
OSG Roughing End Mill: Cobalt, 4 Flute, Fine Pitch, 5/8" Mill Dia, 2-1/2" LOC, 4-5/8" OAL (MPN 4500700)
OSG Roughing End Mill: Cobalt, 5 Flute, Fine Pitch, 7/8" Mill Dia, 3-1/2" LOC, 5-3/4" OAL (MPN 4502300)
OSG
OSG Roughing End Mill: Cobalt, 5 Flute, Fine Pitch, 7/8" Mill Dia, 3-1/2" LOC, 5-3/4" OAL (MPN 4502300)
OSG Roughing End Mill: Cobalt, 5 Flute, Fine Pitch, 1" Mill Dia, 2" LOC, 4-1/4" OAL (MPN 4510100)
OSG
OSG Roughing End Mill: Cobalt, 5 Flute, Fine Pitch, 1" Mill Dia, 2" LOC, 4-1/4" OAL (MPN 4510100)
OSG Roughing End Mill: Cobalt, 5 Flute, Fine Pitch, 1-1/8" Mill Dia, 2" LOC, 4-1/2" OAL (MPN 4511500)
OSG
OSG Roughing End Mill: Cobalt, 5 Flute, Fine Pitch, 1-1/8" Mill Dia, 2" LOC, 4-1/2" OAL (MPN 4511500)
OSG Roughing End Mill: Cobalt, 3 Flute, Fine Pitch, 1/4" Mill Dia, 1-1/4" LOC, 3-1/16" OAL (MPN 4509200)
OSG
OSG Roughing End Mill: Cobalt, 3 Flute, Fine Pitch, 1/4" Mill Dia, 1-1/4" LOC, 3-1/16" OAL (MPN 4509200)
OSG Roughing End Mill: Cobalt, TiCN Coated, 4 Flute, Fine Pitch, 5/8" Mill Dia, 2-1/2" LOC (MPN 4550708)
OSG
OSG Roughing End Mill: Cobalt, TiCN Coated, 4 Flute, Fine Pitch, 5/8" Mill Dia, 2-1/2" LOC (MPN 4550708)

More from OSG

View all OSG parts
OSG Roughing End Mill: Cobalt, 6 Flute, Fine Pitch, 1-1/4" Mill Dia, 2" LOC, 4-1/2" OAL (MPN 4512100)
OSG
OSG Roughing End Mill: Cobalt, 6 Flute, Fine Pitch, 1-1/4" Mill Dia, 2" LOC, 4-1/2" OAL (MPN 4512100)
OSG Roughing End Mill: Cobalt, TiCN Coated, 4 Flute, Fine Pitch, 5/16" Mill Dia, 1-3/8" LOC (MPN 4559508)
OSG
OSG Roughing End Mill: Cobalt, TiCN Coated, 4 Flute, Fine Pitch, 5/16" Mill Dia, 1-3/8" LOC (MPN 4559508)
OSG Roughing End Mill: Cobalt, 4 Flute, Fine Pitch, 3/4" Mill Dia, 3" LOC, 5-1/4" OAL (MPN 4501100)
OSG
OSG Roughing End Mill: Cobalt, 4 Flute, Fine Pitch, 3/4" Mill Dia, 3" LOC, 5-1/4" OAL (MPN 4501100)
OSG Roughing End Mill: Cobalt, 6 Flute, 2" Mill Dia, 6" LOC, 9-3/4" OAL (MPN 4727100)
OSG
OSG Roughing End Mill: Cobalt, 6 Flute, 2" Mill Dia, 6" LOC, 9-3/4" OAL (MPN 4727100)
OSG Roughing End Mill: Cobalt, 4 Flute, Fine Pitch, 1/2" Mill Dia, 2" LOC, 4" OAL (MPN 4500300)
OSG
OSG Roughing End Mill: Cobalt, 4 Flute, Fine Pitch, 1/2" Mill Dia, 2" LOC, 4" OAL (MPN 4500300)
OSG Roughing End Mill: Cobalt, TiAlN Coated, 3 Flute, Fine Pitch, 3/4" Mill Dia, 3/4" LOC (MPN 4551211)
OSG
OSG Roughing End Mill: Cobalt, TiAlN Coated, 3 Flute, Fine Pitch, 3/4" Mill Dia, 3/4" LOC (MPN 4551211)
OSG Roughing End Mill: Cobalt, 6 Flute, Fine Pitch, 1-1/2" Mill Dia, 5" LOC, 7-1/2" OAL (MPN 4513900)
OSG
OSG Roughing End Mill: Cobalt, 6 Flute, Fine Pitch, 1-1/2" Mill Dia, 5" LOC, 7-1/2" OAL (MPN 4513900)
OSG Roughing End Mill: Cobalt, TiCN Coated, 5 Flute, Fine Pitch, 1" Mill Dia, 2" LOC, 4-1/2" OAL (MPN 4560508)
OSG
OSG Roughing End Mill: Cobalt, TiCN Coated, 5 Flute, Fine Pitch, 1" Mill Dia, 2" LOC, 4-1/2" OAL (MPN 4560508)