螺纹紧固件拧紧力矩表

螺纹紧固件拧紧力矩表螺纹规格拧紧力矩（N.m）性能等级5.6性能等级8.8性能等级10.9M65~76~1011~14M812~1519~2422~29M8*114~1821~2824~31M1024