OSG Square End Mill: Cobalt, 4 Flute, 12 mm Mill Dia, 1-1/4" LOC, 82.5 mm OAL (MPN 5811100)
SKU 3G-OTH-270443
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is OSG 5811100 square end mill used for?
The OSG 5811100 is a general purpose cobalt square end mill used for slotting, profiling, and contouring in ferrous and non-ferrous materials. Its 4-flute design provides efficient chip evacuation and a smooth finish in machining operations across industrial sectors like automotive and aerospace.
What are the specifications of OSG 5811100 end mill?
The OSG 5811100 is a cobalt square end mill with a 12 mm mill diameter, 1-1/4 inch length of cut (LOC), and 82.5 mm overall length (OAL). It has 4 flutes and is designed for general purpose milling. The manufacturer part number is 5811100.
Where to buy OSG 5811100 end mill worldwide?
3G Electric supplies the OSG 5811100 cobalt square end mill to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. 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 in steel or cast iron, the 5811100 with 4 flutes and cobalt construction offers good wear resistance. Match flute count to chip evacuation needs and consult OSG's application data for optimal speeds and feeds.
Used in
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.















