标准摘要 Cross Reference: AMS5731,AMS7477,ANSIY14.5M,ASMEB46.1,ASMEY14.36M,ASTME1417 展开完整摘要 英文名称BOLT, MACHINE - DOUBLE HEXAGON EXTENDED WASHER HEAD, CLOSE TOLERANCE SHANK UNS S66286, 130 KSI MIN, .2500-28 UNJF-3A