OSG Roughing End Mill: Cobalt, 3 Flute, 1-1/4" Mill Dia, 3" LOC, 5-1/2" OAL (MPN 4312300)
SKU 3G-OTH-222799
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Frequently Asked Questions
What is the OSG 4312300 roughing end mill used for?
The OSG 4312300 is a cobalt roughing end mill designed for aggressive material removal in nonferrous materials like aluminum, brass, and plastics. Its 3-flute geometry and 1-1/4" diameter enable high feed rates in milling applications, commonly used in automotive, aerospace, and general machining shops.
What are the specifications of the OSG 4312300 roughing end mill?
The OSG 4312300 is a cobalt roughing end mill with a 1-1/4" mill diameter, 3" length of cut (LOC), and 5-1/2" overall length (OAL). It has 3 flutes and is designed for nonferrous materials. The manufacturer part number is 4312300, and it is made by OSG.
Where to buy the OSG 4312300 roughing end mill worldwide?
You can source the OSG 4312300 roughing end mill 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 cobalt end mill to procurement teams globally.
How to select the right OSG roughing end mill for nonferrous materials?
Select an OSG roughing end mill based on material type, diameter, and length of cut. For nonferrous materials, a 3-flute cobalt end mill like the 4312300 with 1-1/4" diameter and 3" LOC provides efficient chip evacuation and high metal removal rates. Match the shank size to your machine's collet and consider coating for extended tool life.
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Common applications for OSGOSG Products
3G Electric supplies OSG cobalt roughing end mills for nonferrous materials. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















