OSG Ball End Mill: Carbide, 4 Flute, 3.5 mm Mill Dia, 12 mm LOC, 51 mm OAL (MPN 404-1378-BN)
SKU 3G-OTH-248129
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Frequently Asked Questions
What is OSG Ball End Mill 404-1378-BN used for?
This OSG carbide ball end mill is used for contouring, profiling, and 3D machining in mold and die work. Its ball nose design creates smooth curved surfaces in steel, stainless steel, and non-ferrous materials across general-purpose industrial applications.
What are the specifications of OSG Ball End Mill 404-1378-BN?
The OSG 404-1378-BN is a carbide ball end mill with 4 flutes, 3.5 mm mill diameter, 12 mm length of cut, and 51 mm overall length. It is designed for general-purpose machining and is manufactured by OSG.
Where to buy OSG Ball End Mill 404-1378-BN worldwide?
3G Electric supplies the OSG 404-1378-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 general-purpose carbide end mill.
How to select the right ball end mill for machining?
Select a ball end mill based on material hardness, required surface finish, and machine rigidity. For general-purpose work, OSG’s 4-flute carbide design suits steels and alloys. Match mill diameter to your contour radius and ensure adequate flute length for depth of cut.
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Common applications for OSGOSG 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.















