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OSG Ball End Mill: Carbide, 3 Flute, 9/32" Mill Dia, 3/4" LOC, 2-1/2" OAL (MPN 403-2812-BN) - General Purpose Carbide Ball End Mills
OSGGeneral Purpose Carbide Ball End Mills

OSG Ball End Mill: Carbide, 3 Flute, 9/32" Mill Dia, 3/4" LOC, 2-1/2" OAL (MPN 403-2812-BN)

OSG General Purpose Carbide Ball End Mills.

SKU 3G-OTH-247185

Also listed as: 4032812BN · 403 2812 BN

Brand
OSG
Item
Ball End Mill: Carbide, 3 Flute, 9/32" Mill Dia, 3/4" LOC, 2-1/2" OAL
Category
General Purpose Carbide Ball End Mills
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Technical Specifications

OSG
Manufacturer Part Number
403-2812-BN

Technical Documents

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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 403-2812-BN ball end mill used for?

The OSG 403-2812-BN is a 3-flute 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 403-2812-BN ball end mill?

This OSG ball end mill has a 9/32" mill diameter, 3/4" length of cut, and 2-1/2" overall length. It is made of carbide with 3 flutes, designed for general purpose milling. The manufacturer part number is 403-2812-BN.

Where to buy OSG 403-2812-BN ball end mill worldwide?

3G Electric supplies the OSG 403-2812-BN ball end mill to customers worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time.

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

Select a ball end mill based on material hardness, required surface finish, and machine rigidity. For general purpose work, a 3-flute carbide design like the OSG 403-2812-BN offers good chip evacuation and finish. Match flute count to material type and feed rate.

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, 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, 7/8" Mill Dia, 1-1/2" LOC, 4" OAL (MPN 403-8750-BN)
OSG
OSG Ball End Mill: Carbide, 3 Flute, 7/8" Mill Dia, 1-1/2" LOC, 4" OAL (MPN 403-8750-BN)
OSG Ball End Mill: Carbide, 3 Flute, 9/16" Mill Dia, 1-1/8" LOC, 3-1/2" OAL (MPN 403-5625-BN)
OSG
OSG Ball End Mill: Carbide, 3 Flute, 9/16" Mill Dia, 1-1/8" LOC, 3-1/2" OAL (MPN 403-5625-BN)
OSG Ball End Mill: Carbide, 3 Flute, 2.5 mm Mill Dia, 8 mm LOC, 39 mm OAL (MPN 403-0984-BN)
OSG
OSG Ball End Mill: Carbide, 3 Flute, 2.5 mm Mill Dia, 8 mm LOC, 39 mm OAL (MPN 403-0984-BN)
OSG Ball End Mill: Carbide, 3 Flute, 3/4" Mill Dia, 1-1/2" LOC, 4" OAL (MPN 403-7500-BN)
OSG
OSG Ball End Mill: Carbide, 3 Flute, 3/4" Mill Dia, 1-1/2" LOC, 4" OAL (MPN 403-7500-BN)
OSG Ball End Mill: Carbide, 3 Flute, 10 mm Mill Dia, 25 mm LOC, 70 mm OAL (MPN 403-3937-BN)
OSG
OSG Ball End Mill: Carbide, 3 Flute, 10 mm Mill Dia, 25 mm LOC, 70 mm OAL (MPN 403-3937-BN)

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