Used Mills Buy & Sell EquipNet. EquipNet is the world's leading provider of used equipment including used mills and much more. Our exclusive contracts with our clients yield a wide range of used mills from a number of respected OEMs, including Fryma Koruma,, Szegvari, Fritsch, Skoda Machine Tool, and many others.We are constantly receiving a variety of used 2 roll mills, colloid mills, hammer ...