OSG Square End Mill: Carbide, 3 Flute, 1/4" Mill Dia, 1/4" LOC, 4" OAL (MPN 20480100)
SKU 3G-OTH-279169
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Frequently Asked Questions
What is OSG 20480100 square end mill used for?
The OSG 20480100 is a reduced-neck carbide square end mill designed for high-speed machining of aluminum and non-ferrous materials. Its 3-flute geometry and 1/4" diameter enable efficient chip evacuation and fine surface finishes in CNC milling applications across aerospace, automotive, and general manufacturing.
What are the specifications of OSG 20480100 end mill?
This OSG square end mill has a 1/4" mill diameter, 1/4" length of cut (LOC), and 4" overall length (OAL). It features 3 flutes, a reduced-neck design for deep cavity work, and is made from carbide. The manufacturer part number is 20480100.
Where to buy OSG 20480100 end mill worldwide?
3G Electric supplies the OSG 20480100 carbide end mill to customers worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this reduced-neck square end mill for aluminum.
How to select the right OSG end mill for aluminum?
For aluminum, choose a carbide end mill with 2-3 flutes and a polished or coated flute surface to prevent built-up edge. The OSG 20480100 with 3 flutes and reduced neck is ideal for deep slotting and profiling. Match the mill diameter to your required feature size and ensure adequate chip clearance.
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Common applications for OSGOSG Products
3G Electric supplies OSG reduced-neck carbide square end mills for aluminum. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















