1.bearing bushing/engine bearing bushing 2.High Density,Zero Defects,Easy Cutting 3.OD:60- ... 3 times faster with better chip control (no more long, tangled, sharp chips) Minimized deburring Longer tool life Improved wear resistance 10 ... bridge plug, suction vitta Railway vehicle bogie bush, braking system bushing Metallurgical equipmentcasting lift tube ,suction tube, thermocouple protect tube Air ...