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OSG Ball End Mill: Carbide, 3 Flute, 5/16" Mill Dia, 13/16" LOC, 2-1/2" OAL (MPN 403-3125-BN) - General Purpose Carbide Ball End Mills
OSGGeneral Purpose Carbide Ball End Mills

OSG Ball End Mill: Carbide, 3 Flute, 5/16" Mill Dia, 13/16" LOC, 2-1/2" OAL (MPN 403-3125-BN)

OSG General Purpose Carbide Ball End Mills.

SKU 3G-OTH-248210

Also listed as: 4033125BN · 403 3125 BN

Brand
OSG
Item
Ball End Mill: Carbide, 3 Flute, 5/16" Mill Dia, 13/16" LOC, 2-1/2" OAL
Category
General Purpose Carbide Ball End Mills
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Technical Specifications

OSG
Manufacturer Part Number
403-3125-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 403-3125-BN ball end mill used for?

The OSG 403-3125-BN is a carbide ball end mill used for general purpose contouring, profiling, and 3D machining in metals and alloys. Its ball nose design creates smooth curved surfaces and radii, common in mold, die, and aerospace applications.

What are the specifications of OSG 403-3125-BN?

The OSG 403-3125-BN is a 3-flute carbide ball end mill with a 5/16" mill diameter, 13/16" length of cut, and 2-1/2" overall length. It is designed for general purpose milling in ferrous and non-ferrous materials.

Where to buy OSG 403-3125-BN ball end mill worldwide?

3G Electric supplies the OSG 403-3125-BN ball end mill worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time.

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

Select an OSG ball end mill based on material hardness, required finish, and machine rigidity. For general purpose work, the 403-3125-BN with 3 flutes and carbide construction suits steels and alloys. Match flute count to chip evacuation needs and diameter to your part geometry.

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, 19/64" Mill Dia, 13/16" LOC, 2-1/2" OAL (MPN 403-2969-BN)
OSG
OSG Ball End Mill: Carbide, 3 Flute, 19/64" Mill Dia, 13/16" LOC, 2-1/2" OAL (MPN 403-2969-BN)
OSG Ball End Mill: Carbide, 3 Flute, 3.5 mm Mill Dia, 12 mm LOC, 51 mm OAL (MPN 403-1378-BN)
OSG
OSG Ball End Mill: Carbide, 3 Flute, 3.5 mm Mill Dia, 12 mm LOC, 51 mm OAL (MPN 403-1378-BN)
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, TiAlN Coated, 3 Flute, 5/16" Mill Dia, 13/16" LOC, 2-1/2" OAL (MPN 403-3125-BN11)
OSG
OSG Ball End Mill: Carbide, TiAlN Coated, 3 Flute, 5/16" Mill Dia, 13/16" LOC, 2-1/2" OAL (MPN 403-3125-BN11)
OSG Ball End Mill: Carbide, 3 Flute, 7/32" Mill Dia, 5/8" LOC, 2-1/2" OAL (MPN 403-2188-BN)
OSG
OSG Ball End Mill: Carbide, 3 Flute, 7/32" Mill Dia, 5/8" LOC, 2-1/2" OAL (MPN 403-2188-BN)
OSG Ball End Mill: Carbide, 3 Flute, 11/16" Mill Dia, 1-3/8" LOC, 4" OAL (MPN 403-6875-BN)
OSG
OSG Ball End Mill: Carbide, 3 Flute, 11/16" Mill Dia, 1-3/8" LOC, 4" OAL (MPN 403-6875-BN)

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