标准摘要 Cross Reference: AMS2645,AMS2645K,AMS5731,AMS5732,AMS5734,AMS5737,ANSI/ASME/B46.1,ANSI/Y14.36,ANSI/Y14.5M,AS1370,AS269,AS478,AS478J,MA3375 展开完整摘要 英文名称STUD, STEPPED - 1.5 DIA ENGAGEMENT, A286, MJ METRIC 12 X 1.25 - 10 X 1.25