标准摘要 Cross Reference: AMS5643,ANSI Y14.5M,AS7474,ASME B46.1,ASME Y14.36M,ASTME1417 展开完整摘要 英文名称BOLT, MACHINE - DOUBLE HEX EXTENDED WASHER HEAD, DRILLED, CLOSE TOL SHANK, AMS5643 (UNS S17400), 140 KSI, .5625-18 UNJF-3A