EN 2869:2009
航空航天系列.钝化,耐热钢标准十字形扁钢的,开槽/蝶形的六角螺母.分类-1100MPa(环境温度)/650℃
Aerospace series - Nuts, hexagonal, slotted/castellated, normal height, normal accross flats, in heat resisting steel, passivated - Classification: 1100 MPa (at ambient temperature) / 650 °C