OSG Square End Mill: Cobalt, 4 Flute, 5.5 mm Mill Dia, 14.28 mm LOC, 61.9 mm OAL (MPN 5818300)
SKU 3G-OTH-270257
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Frequently Asked Questions
What is the OSG Square End Mill 5818300 used for?
The OSG Square End Mill 5818300 is a general-purpose cobalt end mill used for milling slots, profiles, and contours in ferrous and non-ferrous materials. Its square end design produces sharp 90-degree corners, making it suitable for die and mold work, automotive, and aerospace applications where precision and surface finish are critical.
What are the specifications of the OSG Square End Mill 5818300?
The OSG Square End Mill 5818300 has a 5.5 mm mill diameter, 14.28 mm length of cut (LOC), and 61.9 mm overall length (OAL). It features 4 flutes and is made from cobalt high-speed steel for enhanced heat resistance and wear life. The manufacturer part number is 5818300.
Where to buy the OSG Square End Mill 5818300 worldwide?
You can source the OSG Square End Mill 5818300 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; we supply this OSG end mill to procurement teams and engineers globally.
How to select the correct OSG square end mill for your application?
Select the OSG square end mill based on material hardness, required finish, and machine capabilities. For general-purpose milling in steel or cast iron, the 4-flute cobalt design of model 5818300 provides good chip evacuation and heat resistance. Match the 5.5 mm diameter to your desired slot width and ensure adequate spindle speed for cobalt tooling.
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Common applications for OSGOSG Products
3G Electric supplies OSG general purpose cobalt square end mills. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















