标准摘要 Cross Reference: AMS2645,AMS2645K,AMS5731,ANSI/ASME/B46.1,ANSI/B4.2,ANSI/Y14.36,ANSI/Y14.5M,AS478,AS478J,MA1370,MA3374 展开完整摘要 英文名称BOLT, MACHINE-HEX HEAD-FULL SHANK, LONG THREAD, AMS5731, METRIC