标准摘要 Cross Reference: AMS5731,ANSI Y14.5M,AS7477,ASME B46.1,ASME Y14.36M,ASTME1417 展开完整摘要 英文名称SCREW, MACHINE - HEXAGON HEAD, DRILLED 1 HOLE, PD SHANK, CRES AMS5731(UNS S66286), .1640-36 UNJF-3A