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OSG Ball End Mill: Carbide, 3 Flute, 3.5 mm Mill Dia, 12 mm LOC, 51 mm OAL (MPN 403-1378-BN) - General Purpose Carbide Ball End Mills
OSGGeneral Purpose Carbide Ball End Mills

OSG Ball End Mill: Carbide, 3 Flute, 3.5 mm Mill Dia, 12 mm LOC, 51 mm OAL (MPN 403-1378-BN)

OSG General Purpose Carbide Ball End Mills.

SKU 3G-OTH-246572

Also listed as: 4031378BN · 403 1378 BN

Brand
OSG
Item
Ball End Mill: Carbide, 3 Flute, 3.5 mm Mill Dia, 12 mm LOC, 51 mm OAL
Category
General Purpose Carbide Ball End Mills
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Technical Specifications

OSG
Manufacturer Part Number
403-1378-BN

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

Product Description

OSG General Purpose Carbide Ball End Mills.

Frequently Asked Questions

What is OSG Ball End Mill 403-1378-BN used for?

This OSG carbide ball end mill is used for contouring, slotting, and profiling in mold and die work, aerospace, and general machining. Its 3-flute design and ball nose enable smooth 3D surface finishing on hardened steels and non-ferrous materials.

What are the specifications of OSG Ball End Mill 403-1378-BN?

The OSG 403-1378-BN is a general purpose carbide ball end mill with 3 flutes, 3.5 mm mill diameter, 12 mm length of cut, and 51 mm overall length. It is designed for precision milling in industrial applications.

Where to buy OSG Ball End Mill 403-1378-BN worldwide?

3G Electric supplies the OSG 403-1378-BN ball end mill worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this genuine OSG cutting tool.

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

Select based on material hardness, required finish, and machine rigidity. For general purpose use, the OSG 403-1378-BN with 3 flutes and carbide construction suits steels and alloys. Match flute count and coating to your specific cutting conditions for optimal tool life.

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

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Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG Ball End Mill: Carbide, 3 Flute, 12 mm Mill Dia, 25 mm LOC, 76 mm OAL (MPN 403-4724-BN)
OSG
OSG Ball End Mill: Carbide, 3 Flute, 12 mm Mill Dia, 25 mm LOC, 76 mm OAL (MPN 403-4724-BN)
OSG Ball End Mill: Carbide, 3 Flute, 3 mm Mill Dia, 10 mm LOC, 39 mm OAL (MPN 403-1181-BN)
OSG
OSG Ball End Mill: Carbide, 3 Flute, 3 mm Mill Dia, 10 mm LOC, 39 mm OAL (MPN 403-1181-BN)
OSG Ball End Mill: Carbide, 3 Flute, 22 mm Mill Dia, 38 mm LOC, 102 mm OAL (MPN 403-8661-BN)
OSG
OSG Ball End Mill: Carbide, 3 Flute, 22 mm Mill Dia, 38 mm LOC, 102 mm OAL (MPN 403-8661-BN)
OSG Ball End Mill: Carbide, 3 Flute, 5 mm Mill Dia, 16 mm LOC, 51 mm OAL (MPN 403-1968-BN)
OSG
OSG Ball End Mill: Carbide, 3 Flute, 5 mm Mill Dia, 16 mm LOC, 51 mm OAL (MPN 403-1968-BN)
OSG Ball End Mill: Carbide, 3 Flute, 20 mm Mill Dia, 38 mm LOC, 102 mm OAL (MPN 403-7874-BN)
OSG
OSG Ball End Mill: Carbide, 3 Flute, 20 mm Mill Dia, 38 mm LOC, 102 mm OAL (MPN 403-7874-BN)
OSG Ball End Mill: Carbide, 3 Flute, 4.5 mm Mill Dia, 14 mm LOC, 51 mm OAL (MPN 403-1772-BN)
OSG
OSG Ball End Mill: Carbide, 3 Flute, 4.5 mm Mill Dia, 14 mm LOC, 51 mm OAL (MPN 403-1772-BN)

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