标准摘要 Cross Reference: AMS2400,AMS6320,AMS6322,ANSI Y14.5M,AS7456,ASME B46.1,ASME Y14.36M,ASTM E 1444,MIL-S-7742 展开完整摘要 英文名称STUD, STEPPED. 1.5 DIA ENGAGEMENT, CADMIUM PLATED, STEEL UNS G87400, .3125-18 UNS X .2500-28 UNF-3A