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OSG Ball End Mill: Carbide, TiAlN Coated, 2 Flute, 5/8" Mill Dia, 1-1/4" 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, 5/8" Mill Dia, 1-1/4" LOC

The OSG HP421-6250-BN is a carbide ball end mill with TiAlN coating, 2 flutes, a 5/8" mill diameter, 1-1/4" LOC, and 3-1/2" OAL, designed for stainless steel and super alloys. 3G Electric interprets your demand…

SKU 3G-OTH-220828

Also listed as: HP4216250BN · HP421 6250 BN

Brand
OSG
Item
Ball End Mill: Carbide, TiAlN Coated, 2 Flute, 5/8" Mill Dia, 1-1/4" LOC
Category
Carbide Ball End Mills for Stainless Steel & Super Alloys
Available to Order
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Worldwide Shipping
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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
HP421-6250-BN
Type
TiAlN Coated
Mill Dia
5/8"
OAL
3-1/2"
Flute
2
LOC
1-1/4"

Technical Documents

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

Product Description

The OSG HP421-6250-BN is a carbide ball end mill with TiAlN coating, 2 flutes, a 5/8" mill diameter, 1-1/4" LOC, and 3-1/2" OAL, designed for stainless steel and super alloys. 3G Electric interprets your demand, sources this genuine OSG tool, and provides a quote with dedicated support across 14 industrial departments — with specialist depth in combustion, pumps, and controls as an authorized distributor.

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 OSG HP421-6250-BN ball end mill used for?

The OSG HP421-6250-BN is a carbide ball end mill with TiAlN coating, designed for contouring, profiling, and die/mold work in stainless steel and super alloys. Its 2-flute geometry and 5/8" diameter provide efficient chip evacuation and smooth finishes in demanding materials.

What are the specifications of OSG HP421-6250-BN?

This OSG ball end mill has a 5/8" mill diameter, 1-1/4" length of cut, and 3-1/2" overall length. It features a TiAlN coating, 2 flutes, and is made from carbide. The manufacturer part number is HP421-6250-BN.

Where to buy OSG HP421-6250-BN worldwide?

3G Electric supplies the OSG HP421-6250-BN ball end mill to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this TiAlN-coated carbide tool for stainless steel and super alloys.

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

For stainless steel and super alloys, choose a carbide ball end mill with TiAlN coating for heat resistance and wear life. The OSG HP421-6250-BN with 2 flutes and 5/8" diameter balances chip clearance and surface finish. Match length of cut to your depth requirements.

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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