标准摘要 Cross Reference: AMS4967,ANSI Y14.5M,AS7461,ASME B46.1,ASME Y14.36M,ASTME1417 展开完整摘要 英文名称BOLT, MACHINE - DOUBLE HEXAGON EXTENDED WASHER HEAD, DRILLED, PD SHANK, TI 6Al-4V (UNS R56400), .2500-28 UNJF-3A