1、螺栓螺母德标、欧标、国标对照表—— DIN EN ISO GB对照表新德标旧德标英文名中文名国标DINENISO4014DIN931-1Hexagonheadbolts-ProductgradesAandB(ISO4014:1999)六角头螺栓GB/T5782-2000DINENISO4016DIN601Hexagonheadbolts-ProductgradeC(ISO4016:1999)六角头螺栓C级GB/T5780-2000DINENISO4017DIN933Hexagonheadscrews-ProductgradeAand