标准摘要 Cross Reference: AMS2400,AMS2640,AMS6322,AMS7452,ANSIY14.5M,AS1132,AS478,AS7452,AS8879,ASMEB46.1,ASMEY14.36M,ASTME1444 展开完整摘要 英文名称BOLT, MACHINE - STEEL, CADMIUM PLATED, HEXAGON HEAD, UNS G87400, 125 KSI MIN, .5000-20 UNJF-3A