标准摘要 Cross Reference: AMS2645,AMS5643,ANSI Y14.5M,AS7474,ASME B46.1,ASME Y14.36M,ASTME1417 展开完整摘要 英文名称BOLT, MACHINE - HEXAGON HEAD, DRILLED, 1 HOLE, FULL SHANK, CRES (UNS S17400), .3125-24 UNJF-3A