标准摘要 Cross Reference: AMS5731,ANSI Y14.5M,AS478,AS7477,ASME B46.1,ASME Y14.36M,ASTME1417 展开完整摘要 英文名称STUD, STEPPED - 2.5 DIA ENGAGEMENT, PD SHANK, UNS S66286 .2500-28 UNJF-3A X .1900-32 UNJF-3A