DIN EN 3229:2010 航空航天系列.镀铬左螺纹钢制标准对边的、可降低高度的平纹六角螺母.分类:900 MPa(室温下)/235°C.德文和英文版本EN 3229-2009
Aerospace series - Nuts, hexagonal, plain, reduced height, normal across flats, in steel, cadmium plated, left hand thread - Classification: 900 MPa (at ambient temperature)/235 °C; German and English version EN 3229:2009