标准摘要
Cross Reference: AMS2485,AMS6322,ANSI/B46.1,ANSI/Y14.5M,AS7452,ASMEY14.36M,ASTME1444,MIL-S-7742
英文名称BOLT, MACHINE - DOUBLE HEXAGON EXTENDED WASHER HEAD, DRILLED, PD SHANK, BLACK OXIDE, STEEL, UNS G87400, 125 KSI MIN .1900-32 UNF-3A