... ---OD:60-320mm,Thickness:8-35mmOur profiles could be widely used in mechanical industries,such as railway vehicle, oil machine,engineering ... machine,auto parts,compressor, hydraulic and pneumatics,chemical pump, machinetool,metallurgical equipment etc.Meantime, we also supply related products ... ) External diameter:60-260mm;wall thickness:6-35mm ADI Bushing (used for Railway vehicle)