We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

OSG Square End Mill: Carbide, TiAlN Coated, 2 Flute, 21/64" Mill Dia, 7/8" LOC - General Purpose Carbide Square End Mills
OSGGeneral Purpose Carbide Square End Mills

OSG Square End Mill: Carbide, TiAlN Coated, 2 Flute, 21/64" Mill Dia, 7/8" LOC

The OSG Square End Mill is a general purpose carbide square end mill, TiAlN coated, with 2 flutes, a 21/64" mill diameter, 7/8" length of cut, and 2-1/2" overall length (MPN 402-328111). 3G Electric interprets this…

SKU 3G-OTH-272086

Also listed as: 402328111 · 402 328111

Brand
OSG
Item
Square End Mill: Carbide, TiAlN Coated, 2 Flute, 21/64" Mill Dia, 7/8" LOC
Category
General Purpose Carbide Square End Mills
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
402-328111
Type
TiAlN Coated
Mill Dia
21/64"
OAL
2-1/2"
Flute
2
LOC
7/8"

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The OSG Square End Mill is a general purpose carbide square end mill, TiAlN coated, with 2 flutes, a 21/64" mill diameter, 7/8" length of cut, and 2-1/2" overall length (MPN 402-328111). 3G Electric interprets this demand and sources the genuine OSG tool, backed by specialist expertise across 14 industrial departments — and we supply far more than is listed.

Frequently Asked Questions

What is the OSG Square End Mill 402-328111 used for?

The OSG Square End Mill 402-328111 is a general-purpose carbide end mill used for milling slots, profiles, and contours in metals and composites. Its TiAlN coating enhances wear resistance and heat tolerance, making it suitable for high-speed machining in automotive, aerospace, and mold-making applications.

What are the specifications of the OSG Square End Mill 402-328111?

The OSG Square End Mill 402-328111 has a 21/64" mill diameter, 7/8" length of cut (LOC), and 2-1/2" overall length (OAL). It features a carbide body with TiAlN coating and 2 flutes. The manufacturer part number is 402-328111. OSG is the OEM brand.

Where to buy the OSG Square End Mill 402-328111 worldwide?

You can source the OSG Square End Mill 402-328111 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this general-purpose carbide end mill.

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

Select an OSG square end mill based on material hardness, required finish, and machine capabilities. For general-purpose milling, a 2-flute design like the 402-328111 provides good chip evacuation. Match the diameter and length of cut to your workpiece geometry. Consult OSG's technical data for optimal speeds and feeds.

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

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG Square End Mill: Carbide, TiAlN Coated, 2 Flute, 11/32" Mill Dia, 7/8" LOC, 2-1/2" OAL (MPN 402-343811)
OSG
OSG Square End Mill: Carbide, TiAlN Coated, 2 Flute, 11/32" Mill Dia, 7/8" LOC, 2-1/2" OAL (MPN 402-343811)
OSG Square End Mill: Carbide, TiAlN Coated, 2 Flute, 27/64" Mill Dia, 1" LOC, 2-3/4" OAL (MPN 402-421911)
OSG
OSG Square End Mill: Carbide, TiAlN Coated, 2 Flute, 27/64" Mill Dia, 1" LOC, 2-3/4" OAL (MPN 402-421911)
OSG Square End Mill: Carbide, TiAlN Coated, 2 Flute, 23/64" Mill Dia, 7/8" LOC, 2-1/2" OAL (MPN 402-359411)
OSG
OSG Square End Mill: Carbide, TiAlN Coated, 2 Flute, 23/64" Mill Dia, 7/8" LOC, 2-1/2" OAL (MPN 402-359411)
OSG Square End Mill: Carbide, TiAlN Coated, 2 Flute, 8 mm Mill Dia, 21 mm LOC, 64 mm OAL (MPN 402-315011)
OSG
OSG Square End Mill: Carbide, TiAlN Coated, 2 Flute, 8 mm Mill Dia, 21 mm LOC, 64 mm OAL (MPN 402-315011)
OSG Square End Mill: Carbide, TiAlN Coated, 2 Flute, 11/64" Mill Dia, 9/16" LOC, 2" OAL (MPN 402-171911)
OSG
OSG Square End Mill: Carbide, TiAlN Coated, 2 Flute, 11/64" Mill Dia, 9/16" LOC, 2" OAL (MPN 402-171911)
OSG Square End Mill: Carbide, TiAlN Coated, 2 Flute, 5 mm Mill Dia, 16 mm LOC, 51 mm OAL (MPN 402-196811)
OSG
OSG Square End Mill: Carbide, TiAlN Coated, 2 Flute, 5 mm Mill Dia, 16 mm LOC, 51 mm OAL (MPN 402-196811)

More from OSG

View all OSG parts
OSG Square End Mill: Carbide, TiAlN Coated, 4 Flute, 10 mm Mill Dia, 25 mm LOC, 70 mm OAL (MPN 404-393711)
OSG
OSG Square End Mill: Carbide, TiAlN Coated, 4 Flute, 10 mm Mill Dia, 25 mm LOC, 70 mm OAL (MPN 404-393711)
OSG Square End Mill: Carbide, TiAlN Coated, 2 Flute, 25 mm Mill Dia, 38 mm LOC, 102 mm OAL (MPN 402-984311)
OSG
OSG Square End Mill: Carbide, TiAlN Coated, 2 Flute, 25 mm Mill Dia, 38 mm LOC, 102 mm OAL (MPN 402-984311)
OSG Square End Mill: Carbide, 2 Flute, 2 mm Mill Dia, 7 mm LOC, 39 mm OAL (MPN 402-0787)
OSG
OSG Square End Mill: Carbide, 2 Flute, 2 mm Mill Dia, 7 mm LOC, 39 mm OAL (MPN 402-0787)
OSG Square End Mill: Carbide, TiAlN Coated, 2 Flute, 29/64" Mill Dia, 1" LOC, 3" OAL (MPN 402-453111)
OSG
OSG Square End Mill: Carbide, TiAlN Coated, 2 Flute, 29/64" Mill Dia, 1" LOC, 3" OAL (MPN 402-453111)
OSG Square End Mill: Carbide, 2 Flute, 4.5 mm Mill Dia, 14 mm LOC, 51 mm OAL (MPN 402-1772)
OSG
OSG Square End Mill: Carbide, 2 Flute, 4.5 mm Mill Dia, 14 mm LOC, 51 mm OAL (MPN 402-1772)
OSG Square End Mill: Carbide, TiAlN Coated, 2 Flute, 11 mm Mill Dia, 25 mm LOC, 70 mm OAL (MPN HP421-4331)
OSG
OSG Square End Mill: Carbide, TiAlN Coated, 2 Flute, 11 mm Mill Dia, 25 mm LOC, 70 mm OAL (MPN HP421-4331)
OSG Square End Mill: Carbide, 2 Flute, 10 mm Mill Dia, 45 mm LOC, 102 mm OAL (MPN 482-3937)
OSG
OSG Square End Mill: Carbide, 2 Flute, 10 mm Mill Dia, 45 mm LOC, 102 mm OAL (MPN 482-3937)
OSG Square End Mill: Carbide, 4 Flute, 9 mm Mill Dia, 14 mm LOC, 51 mm OAL (MPN 414-3543)
OSG
OSG Square End Mill: Carbide, 4 Flute, 9 mm Mill Dia, 14 mm LOC, 51 mm OAL (MPN 414-3543)