We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

OSG Roughing End Mill: Cobalt, 3 Flute, Fine Pitch, 7/8" Mill Dia, 7/8" LOC - General Purpose Cobalt Roughing End Mills
OSGGeneral Purpose Cobalt Roughing End Mills

OSG Roughing End Mill: Cobalt, 3 Flute, Fine Pitch, 7/8" Mill Dia, 7/8" LOC

The OSG Roughing End Mill is a general-purpose cobalt roughing end mill with a 7/8" mill diameter, 7/8" LOC, and 3-1/8" OAL. It features a fine pitch and 3 flutes (MPN 4205500). 3G Electric interprets your demand for…

SKU 3G-OTH-269106

Brand
OSG
Item
Roughing End Mill: Cobalt, 3 Flute, Fine Pitch, 7/8" Mill Dia, 7/8" 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

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
4205500
Type
Fine Pitch
Mill Dia
7/8"
OAL
3-1/8"
Flute
3
LOC
7/8"

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 7/8" mill diameter, 7/8" LOC, and 3-1/8" OAL. It features a fine pitch and 3 flutes (MPN 4205500). 3G Electric interprets your demand for this cutting tool, sources it from OSG, and provides a quote with dedicated support across 14 industrial departments.

Frequently Asked Questions

What is the OSG 4205500 roughing end mill used for?

The OSG 4205500 is a general-purpose cobalt roughing end mill used for aggressive material removal in machining operations. It is suitable for ferrous and non-ferrous metals, providing efficient chip evacuation and reduced cutting forces in milling applications.

What are the specifications of the OSG 4205500 end mill?

The OSG 4205500 is a 3-flute, fine-pitch cobalt roughing end mill with a 7/8" mill diameter, 7/8" length of cut, and 3-1/8" overall length. It is designed for general-purpose roughing and is manufactured by OSG.

Where to buy the OSG 4205500 end mill worldwide?

You can source the OSG 4205500 roughing end mill through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your machining needs.

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

Select an OSG roughing end mill based on material type, flute count, and diameter. For general-purpose roughing, the 4205500 with 3 flutes and fine pitch offers balanced chip removal and durability. Match the mill diameter and length of cut to your workpiece geometry for optimal performance.

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, 3 Flute, Fine Pitch, 3/4" Mill Dia, 3/4" LOC, 2-7/8" OAL (MPN 4205400)
OSG
OSG Roughing End Mill: Cobalt, 3 Flute, Fine Pitch, 3/4" Mill Dia, 3/4" LOC, 2-7/8" OAL (MPN 4205400)
OSG Roughing End Mill: Cobalt, 3 Flute, Fine Pitch, 5/8" Mill Dia, 5/8" LOC, 2-3/4" OAL (MPN 4205300)
OSG
OSG Roughing End Mill: Cobalt, 3 Flute, Fine Pitch, 5/8" Mill Dia, 5/8" LOC, 2-3/4" OAL (MPN 4205300)
OSG Roughing End Mill: Cobalt, 3 Flute, Fine Pitch, 1" Mill Dia, 1" LOC, 3-1/2" OAL (MPN 4205600)
OSG
OSG Roughing End Mill: Cobalt, 3 Flute, Fine Pitch, 1" Mill Dia, 1" LOC, 3-1/2" OAL (MPN 4205600)
OSG Roughing End Mill: Cobalt, 3 Flute, Fine Pitch, 3/8" Mill Dia, 3/8" LOC, 2-5/32" OAL (MPN 4205100)
OSG
OSG Roughing End Mill: Cobalt, 3 Flute, Fine Pitch, 3/8" Mill Dia, 3/8" LOC, 2-5/32" OAL (MPN 4205100)
OSG Roughing End Mill: Cobalt, 3 Flute, Fine Pitch, 1" Mill Dia, 1" LOC, 3-3/4" OAL (MPN 4205700)
OSG
OSG Roughing End Mill: Cobalt, 3 Flute, Fine Pitch, 1" Mill Dia, 1" LOC, 3-3/4" OAL (MPN 4205700)
OSG Roughing End Mill: Cobalt, 3 Flute, Fine Pitch, 1/4" Mill Dia, 1/4" LOC, 2-1/16" OAL (MPN 4205000)
OSG
OSG Roughing End Mill: Cobalt, 3 Flute, Fine Pitch, 1/4" Mill Dia, 1/4" LOC, 2-1/16" OAL (MPN 4205000)

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)