Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

OSG Square End Mill: Carbide, Double End, 4 Flute, 3/8" Mill Dia, 1/2" LOC - Double-End Carbide Square End Mills
OSGDouble-End Carbide Square End Mills

OSG Square End Mill: Carbide, Double End, 4 Flute, 3/8" Mill Dia, 1/2" LOC

The OSG 424-3750 is a double-end carbide square end mill with a 3/8" mill diameter, 1/2" length of cut, and 2-1/2" overall length, featuring 4 flutes. 3G Electric interprets this demand and sources the genuine OSG…

SKU 3G-OTH-232635

Also listed as: 4243750 · 424 3750

Brand
OSG
Item
Square End Mill: Carbide, Double End, 4 Flute, 3/8" Mill Dia, 1/2" LOC
Category
Double-End 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 — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OSG
Manufacturer Part Number
424-3750
Type
Double End
Mill Dia
3/8"
OAL
2-1/2"
Flute
4
LOC
1/2"

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 424-3750 is a double-end carbide square end mill with a 3/8" mill diameter, 1/2" length of cut, and 2-1/2" overall length, featuring 4 flutes. 3G Electric interprets this demand and sources the genuine OSG tool, providing a single point of accountability across 14 industrial departments — with specialist depth in combustion, pumps, and controls as a trust anchor, not a limit.

Frequently Asked Questions

What is an OSG square end mill used for?

An OSG square end mill is used for general-purpose milling, profiling, and slotting in metalworking. Its square profile creates 90° corners in workpieces. This double-end carbide design suits ferrous and non-ferrous materials, delivering precision in machining applications across industrial sectors.

What are the specifications of the OSG 424-3750 end mill?

The OSG 424-3750 is a double-end carbide square end mill with a 3/8" mill diameter, 1/2" length of cut (LOC), and 2-1/2" overall length (OAL). It has 4 flutes for efficient chip evacuation and is designed for high-performance milling in industrial environments.

Where to buy OSG end mills worldwide?

3G Electric supplies OSG end mills worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner, we provide genuine OSG cutting tools like the 424-3750 square end mill. Contact us for availability and lead time to your location.

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

Select an OSG end mill based on workpiece material, required finish, and machine capabilities. For general milling, a 4-flute carbide square end mill like the 424-3750 offers rigidity and precision. Match flute count to material type—more flutes for harder materials—and confirm shank diameter fits your collet.

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 double-end 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, Double End, 4 Flute, 7/32" Mill Dia, 1/2" LOC, 2-1/2" OAL (MPN 424-2188)
OSG
OSG Square End Mill: Carbide, Double End, 4 Flute, 7/32" Mill Dia, 1/2" LOC, 2-1/2" OAL (MPN 424-2188)
OSG Square End Mill: Carbide, Double End, 4 Flute, 1/2" Mill Dia, 5/8" LOC, 3" OAL (MPN 424-5000)
OSG
OSG Square End Mill: Carbide, Double End, 4 Flute, 1/2" Mill Dia, 5/8" LOC, 3" OAL (MPN 424-5000)
OSG Square End Mill: Carbide, Double End, 4 Flute, 3/64" Mill Dia, 3/32" LOC, 1-1/2" OAL (MPN 424-0469)
OSG
OSG Square End Mill: Carbide, Double End, 4 Flute, 3/64" Mill Dia, 3/32" LOC, 1-1/2" OAL (MPN 424-0469)
OSG Square End Mill: Carbide, Double End, 4 Flute, 5/64" Mill Dia, 5/32" LOC, 1-1/2" OAL (MPN 424-0781)
OSG
OSG Square End Mill: Carbide, Double End, 4 Flute, 5/64" Mill Dia, 5/32" LOC, 1-1/2" OAL (MPN 424-0781)
OSG Square End Mill: Carbide, TiAlN Coated, Double End, 4 Flute, 3/8" Mill Dia, 1/2" LOC, 2-1/2" OAL (MPN 424-375011)
OSG
OSG Square End Mill: Carbide, TiAlN Coated, Double End, 4 Flute, 3/8" Mill Dia, 1/2" LOC, 2-1/2" OAL (MPN 424-375011)
OSG Square End Mill: Carbide, Double End, 4 Flute, 5/32" Mill Dia, 5/16" LOC, 2" OAL (MPN 424-1562)
OSG
OSG Square End Mill: Carbide, Double End, 4 Flute, 5/32" Mill Dia, 5/16" LOC, 2" OAL (MPN 424-1562)

More from OSG

View all OSG parts
OSG Square End Mill: Carbide, TiAlN Coated, Double End, 4 Flute, 3/64" Mill Dia, 3/32" LOC (MPN 424-046911)
OSG
OSG Square End Mill: Carbide, TiAlN Coated, Double End, 4 Flute, 3/64" Mill Dia, 3/32" LOC (MPN 424-046911)
OSG Square End Mill: Carbide, Double End, 4 Flute, 3/16" Mill Dia, 3/8" LOC, 2" OAL (MPN 424-1875)
OSG
OSG Square End Mill: Carbide, Double End, 4 Flute, 3/16" Mill Dia, 3/8" LOC, 2" OAL (MPN 424-1875)
OSG Square End Mill: Carbide, Double End, 4 Flute, 5/16" Mill Dia, 1/2" LOC, 2-1/2" OAL (MPN 424-3125)
OSG
OSG Square End Mill: Carbide, Double End, 4 Flute, 5/16" Mill Dia, 1/2" LOC, 2-1/2" OAL (MPN 424-3125)
OSG Square End Mill: Carbide, TiAlN Coated, Double End, 4 Flute, 7/64" Mill Dia, 7/32" LOC (MPN 424-109411)
OSG
OSG Square End Mill: Carbide, TiAlN Coated, Double End, 4 Flute, 7/64" Mill Dia, 7/32" LOC (MPN 424-109411)
OSG Square End Mill: Carbide, TiAlN Coated, Double End, 4 Flute, 1/8" Mill Dia, 1/4" LOC, 1-1/2" OAL (MPN 424-125011)
OSG
OSG Square End Mill: Carbide, TiAlN Coated, Double End, 4 Flute, 1/8" Mill Dia, 1/4" LOC, 1-1/2" OAL (MPN 424-125011)
OSG Square End Mill: Carbide, Double End, 4 Flute, 1/16" Mill Dia, 1/8" LOC, 1-1/2" OAL (MPN 424-0625)
OSG
OSG Square End Mill: Carbide, Double End, 4 Flute, 1/16" Mill Dia, 1/8" LOC, 1-1/2" OAL (MPN 424-0625)
OSG Square End Mill: Carbide, Double End, 4 Flute, 7/64" Mill Dia, 7/32" LOC, 1-1/2" OAL (MPN 424-1094)
OSG
OSG Square End Mill: Carbide, Double End, 4 Flute, 7/64" Mill Dia, 7/32" LOC, 1-1/2" OAL (MPN 424-1094)
OSG Square End Mill: Carbide, Double End, 4 Flute, 1/4" Mill Dia, 1/2" LOC, 2-1/2" OAL (MPN 424-2500)
OSG
OSG Square End Mill: Carbide, Double End, 4 Flute, 1/4" Mill Dia, 1/2" LOC, 2-1/2" OAL (MPN 424-2500)