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

3G Electric
RFQ CartGet a QuoteSign inSign up
OSG Square End Mill: Carbide, 4 Flute, 9 mm Mill Dia, 22 mm LOC, 70 mm OAL (MPN 404-3543) - General Purpose Carbide Square End Mills
OSGGeneral Purpose Carbide Square End Mills

OSG Square End Mill: Carbide, 4 Flute, 9 mm Mill Dia, 22 mm LOC, 70 mm OAL (MPN 404-3543)

OSG General Purpose Carbide Square End Mills.

SKU 3G-OTH-271471

Also listed as: 4043543 · 404 3543

Brand
OSG
Item
Square End Mill: Carbide, 4 Flute, 9 mm Mill Dia, 22 mm LOC, 70 mm OAL
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
404-3543

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

OSG General Purpose Carbide Square End Mills.

Frequently Asked Questions

What is OSG 404-3543 square end mill used for?

The OSG 404-3543 is a general purpose carbide square end mill used for precision milling of ferrous and non-ferrous materials. Its 4-flute design provides efficient chip evacuation and smooth finishes in slotting, profiling, and contouring applications across machining, tooling, and industrial maintenance.

What are the specifications of OSG 404-3543 end mill?

The OSG 404-3543 is a carbide square end mill with 4 flutes, 9 mm mill diameter, 22 mm length of cut, and 70 mm overall length. It is designed for general purpose milling and is identified by manufacturer part number 404-3543. 3G Electric supplies this tool worldwide.

Where to buy OSG 404-3543 end mill worldwide?

3G Electric supplies the OSG 404-3543 carbide square end mill to customers 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 on this general purpose milling tool.

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

Selecting the correct OSG square end mill depends on material hardness, required finish, and machine rigidity. For general purpose milling, the 404-3543 with 4 flutes and 9 mm diameter suits steels and alloys. Consult OSG’s application data or contact 3G Electric for guidance on matching tool geometry to your operation.

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, 4 Flute, 23/64" Mill Dia, 7/8" LOC, 2-1/2" OAL (MPN 404-3594)
OSG
OSG Square End Mill: Carbide, 4 Flute, 23/64" Mill Dia, 7/8" LOC, 2-1/2" OAL (MPN 404-3594)
OSG Square End Mill: Carbide, 4 Flute, 14 mm Mill Dia, 30 mm LOC, 89 mm OAL (MPN 404-5512)
OSG
OSG Square End Mill: Carbide, 4 Flute, 14 mm Mill Dia, 30 mm LOC, 89 mm OAL (MPN 404-5512)
OSG Square End Mill: Carbide, 4 Flute, 6 mm Mill Dia, 19 mm LOC, 64 mm OAL (MPN 404-2362)
OSG
OSG Square End Mill: Carbide, 4 Flute, 6 mm Mill Dia, 19 mm LOC, 64 mm OAL (MPN 404-2362)
OSG Square End Mill: Carbide, 4 Flute, 8 mm Mill Dia, 21 mm LOC, 64 mm OAL (MPN 404-3150)
OSG
OSG Square End Mill: Carbide, 4 Flute, 8 mm Mill Dia, 21 mm LOC, 64 mm OAL (MPN 404-3150)
OSG Square End Mill: Carbide, 4 Flute, 10 mm Mill Dia, 25 mm LOC, 70 mm OAL (MPN 404-3937)
OSG
OSG Square End Mill: Carbide, 4 Flute, 10 mm Mill Dia, 25 mm LOC, 70 mm OAL (MPN 404-3937)
OSG Square End Mill: Carbide, 2 Flute, 9 mm Mill Dia, 22 mm LOC, 70 mm OAL (MPN 402-3543)
OSG
OSG Square End Mill: Carbide, 2 Flute, 9 mm Mill Dia, 22 mm LOC, 70 mm OAL (MPN 402-3543)

More from OSG

View all OSG parts →
Carbide square end mill with 4 flutes, 3/32" cutting diameter, 5/16" length of cut, and 1-1/2" overall length. Designed for general-purpose milling of slots, profiling, and contouring in metals and alloys. Square-end geometry produces flat-bottomed cavities and sharp corners for die/mold work and precision machining
OSG
Carbide square end mill with 4 flutes, 3/32" cutting diameter, 5/16" length of cut, and 1-1/2" overall length. Designed for general-purpose milling of slots, profiling, and contouring in metals and alloys. Square-end geometry produces flat-bottomed cavities and sharp corners for die/mold work and precision machining
This general purpose carbide square end mill features three flutes and a square end for milling flat-bottomed slots, pockets, and profiles. With a 9/16" mill diameter, 1-1/8" length of cut, and 3-1/2" overall length, it is suitable for machining steel, stainless steel, and cast iron in industrial manufacturing and tool and die applications
OSG
This general purpose carbide square end mill features three flutes and a square end for milling flat-bottomed slots, pockets, and profiles. With a 9/16" mill diameter, 1-1/8" length of cut, and 3-1/2" overall length, it is suitable for machining steel, stainless steel, and cast iron in industrial manufacturing and tool and die applications
This general purpose carbide square end mill features a TiAlN coating for wear resistance and heat dissipation. With 4 flutes, a 1/2" mill diameter, 1" length of cut, and 3" overall length, it is suited for milling flat-bottomed slots, pockets, and contours in steels, stainless steels, and cast irons
OSG
This general purpose carbide square end mill features a TiAlN coating for wear resistance and heat dissipation. With 4 flutes, a 1/2" mill diameter, 1" length of cut, and 3" overall length, it is suited for milling flat-bottomed slots, pockets, and contours in steels, stainless steels, and cast irons
This general purpose carbide square end mill features a TiAlN coating for enhanced wear resistance and heat tolerance. With 2 flutes, a 4.5 mm diameter, 14 mm length of cut, and 51 mm overall length, it is suited for milling slots, profiles, and contours in metals and composites, including steel, stainless steel, and cast iron
OSG
This general purpose carbide square end mill features a TiAlN coating for enhanced wear resistance and heat tolerance. With 2 flutes, a 4.5 mm diameter, 14 mm length of cut, and 51 mm overall length, it is suited for milling slots, profiles, and contours in metals and composites, including steel, stainless steel, and cast iron
This carbide square end mill features four flutes and is designed for general-purpose milling operations. It is suitable for machining flat-bottomed slots, profiles, and contours in materials such as steel, stainless steel, and cast iron. The tool has an 8 mm mill diameter, 42 mm length of cut, and 102 mm overall length
OSG
This carbide square end mill features four flutes and is designed for general-purpose milling operations. It is suitable for machining flat-bottomed slots, profiles, and contours in materials such as steel, stainless steel, and cast iron. The tool has an 8 mm mill diameter, 42 mm length of cut, and 102 mm overall length
This OSG carbide square end mill is designed for general-purpose milling of flat-bottomed slots, pockets, and contours in metal and composite materials. With 2 flutes and a 9/16" cutting diameter, it is suited for applications requiring a square shoulder, such as mold making, die work, and general machining
OSG
This OSG carbide square end mill is designed for general-purpose milling of flat-bottomed slots, pockets, and contours in metal and composite materials. With 2 flutes and a 9/16" cutting diameter, it is suited for applications requiring a square shoulder, such as mold making, die work, and general machining
This general-purpose carbide square end mill features 4 flutes and is designed for milling flat-bottomed slots, pockets, and contours. It is suitable for machining steel, stainless steel, and cast iron in industrial manufacturing and tool-and-die applications. Mill diameter: 4.5 mm, length of cut: 14 mm, overall length: 51 mm
OSG
This general-purpose carbide square end mill features 4 flutes and is designed for milling flat-bottomed slots, pockets, and contours. It is suitable for machining steel, stainless steel, and cast iron in industrial manufacturing and tool-and-die applications. Mill diameter: 4.5 mm, length of cut: 14 mm, overall length: 51 mm
This general purpose carbide square end mill features a 2-flute design for efficient chip evacuation. With a 25 mm mill diameter, 38 mm length of cut, and 102 mm overall length, it is suited for milling slots, profiles, and contours in metals and composites. Commonly used in roughing and finishing operations across various machining applications
OSG
This general purpose carbide square end mill features a 2-flute design for efficient chip evacuation. With a 25 mm mill diameter, 38 mm length of cut, and 102 mm overall length, it is suited for milling slots, profiles, and contours in metals and composites. Commonly used in roughing and finishing operations across various machining applications