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OSG Ball End Mill: Carbide, TiAlN Coated, 2 Flute, 11 mm Mill Dia, 25 mm LOC - Carbide Ball End Mills for Stainless Steel & Super Alloys
OSGCarbide Ball End Mills for Stainless Steel & Super Alloys

OSG Ball End Mill: Carbide, TiAlN Coated, 2 Flute, 11 mm Mill Dia, 25 mm LOC

The OSG Ball End Mill is a carbide, TiAlN-coated, 2-flute end mill with an 11 mm mill diameter, 25 mm length of cut, and 70 mm overall length (MPN HP421-4331-BN). Designed for stainless steel and super alloys, this…

SKU 3G-OTH-220891

Also listed as: HP4214331BN · HP421 4331 BN

Brand
OSG
Item
Ball End Mill: Carbide, TiAlN Coated, 2 Flute, 11 mm Mill Dia, 25 mm LOC
Category
Carbide Ball End Mills for Stainless Steel & Super Alloys
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OSG
Manufacturer Part Number
HP421-4331-BN
Type
TiAlN Coated
Mill Dia
11 mm
OAL
70 mm
Flute
2
LOC
25 mm

Technical Documents

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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Ball End Mill is a carbide, TiAlN-coated, 2-flute end mill with an 11 mm mill diameter, 25 mm length of cut, and 70 mm overall length (MPN HP421-4331-BN). Designed for stainless steel and super alloys, this tool is part of our curated industrial supply across 14 departments, with specialist depth in cutting tools and machining.

Frequently Asked Questions

What is the OSG HP421-4331-BN ball end mill used for?

The OSG HP421-4331-BN is a carbide ball end mill designed for precision contouring, slotting, and profiling in stainless steel and super alloys. Its TiAlN coating and 2-flute geometry provide heat resistance and chip evacuation, making it suitable for aerospace, medical, and mold-making applications.

What are the specifications of the OSG HP421-4331-BN ball end mill?

The OSG HP421-4331-BN has an 11 mm mill diameter, 25 mm length of cut (LOC), and 70 mm overall length (OAL). It is made of carbide with a TiAlN coating and features 2 flutes. This combination delivers wear resistance and cutting performance in stainless steel and super alloys.

Where to buy the OSG HP421-4331-BN ball end mill worldwide?

You can source the OSG HP421-4331-BN ball 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 on this OSG cutting tool.

How to select the correct ball end mill for stainless steel?

For stainless steel, choose a carbide ball end mill with a TiAlN coating like the OSG HP421-4331-BN. Match the mill diameter to your required radius, ensure the length of cut (LOC) exceeds your depth, and use 2 flutes for better chip clearance. Always verify shank compatibility with your collet.

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 carbide ball end mills for stainless steel & super alloys. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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