全部重量为kg 外六角螺栓(GB/T7581-2000)螺母(GB/T6170-2000)平垫（GB/T97-1985)弹垫（GB/T93-1987)M8*200.0138 0.00581 0.00173 0.00113 M8*250.01578 0.00581 0.00173 0.00113 M8*300.0177513*15.01*5.30.0058113*15.01*6.80.0017316*8.4*1.60.00113 M8*400.021713*15.01*5.30....