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OSG Ball End Mill: Carbide, TiAlN Coated, 2 Flute, 5/64" Mill Dia, 1/4" 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, 5/64" Mill Dia, 1/4" LOC

The OSG Ball End Mill is a carbide, TiAlN-coated, 2-flute end mill with a 5/64" mill diameter, 1/4" length of cut, and 1-1/2" overall length (MPN HP421-0781-BN). 3G Electric interprets demand and delivers this…

SKU 3G-OTH-220776

Also listed as: HP4210781BN · HP421 0781 BN

Brand
OSG
Item
Ball End Mill: Carbide, TiAlN Coated, 2 Flute, 5/64" Mill Dia, 1/4" LOC
Category
Carbide Ball End Mills for Stainless Steel & Super Alloys
Available to Order
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Technical specs
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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
HP421-0781-BN
Type
TiAlN Coated
Mill Dia
5/64"
OAL
1-1/2"
Flute
2
LOC
1/4"

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 a 5/64" mill diameter, 1/4" length of cut, and 1-1/2" overall length (MPN HP421-0781-BN). 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14 departments — and far more — with specialist depth in combustion, pumps and controls as a trust anchor.

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 HP421-0781-BN ball end mill used for?

The OSG HP421-0781-BN is a carbide ball end mill designed for precision contouring 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 HP421-0781-BN ball end mill?

This OSG ball end mill has a 5/64" mill diameter, 1/4" length of cut (LOC), and 1-1/2" overall length (OAL). It features a TiAlN coating, 2 flutes, and is made from carbide. The manufacturer part number is HP421-0781-BN.

Where to buy the OSG HP421-0781-BN ball end mill worldwide?

3G Electric supplies the OSG HP421-0781-BN ball end mill to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this precision 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 HP421-0781-BN. The coating reduces heat buildup, while 2 flutes improve chip clearance. Match the mill diameter and length of cut to your part geometry and machine rigidity for best results.

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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