... followers,tappet shims5, Turbine blades,vanes,buckets6, Metal tube forming rolls and dies7, Precision shafts and axies in high wear environments8 ... density ball and pebble mill grinding media3, Rollers and guides for metal tuble forming4, Thread and wire guides5, Hot metal extrusion ... gas flow liners6, Heat exchangers7, Semiconductor process equipment ceramic cylindrical roller/taper roller