标准摘要 Cross Reference: AMS5643,AMS7474,ANSI Y14.5M,AS7474,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, CRES UNS S17400, 140 KSI MIN .1900-32 UNJF-3A