oelheld U.S. recently announced the availability of domestically manufactured DiaGrind 535-15. The multifunctional DiaGrind 535-15 is been used successfully on gear hobbing, gear grinding and even for gear shaping applications on machines like Reishauer, Gleason Pfauter, Klingelnberg and Hoefler. DiaGrind 535-15 contains a blend of high quality additives and superior base oils and does not require regeneration or complete exchange for many years. Its high performance characteristics are coveted by a number of transmission manufacturing companies in this country, while its environmentally friendly composition keeps their operators safe and their equipment in top shape.