标准摘要 Cross Reference: AMS5731,ANSI/B46.1,ANSI/Y14.5M,AS478,AS478J,ASTME1417,MIL-S-8879 展开完整摘要 英文名称BOLT, MACHINE - HEXAGON HEAD, DRILLED, 6 HOLES, FULL SHANK, UNS S66286, 130 KSI MIN, .4375-20 UNJF-3A