EN 4297-2017 航空航天系列-螺母六边形自动锁塑料环常规高度对边宽度抗腐蚀钢钝化-分类:900MPa(室温)/120度
Aerospace series - Nuts@ hexagon@ self-locking by plastic ring@ normal height@ normal across flats@ in corrosion resisting steel@ passivated - Classification: 900 MPa (at ambient temperature) / 120 ��
This European Standard specifies the characteristics of hexagonal nuts, self-locking by plastic ring, normal height, normal across flats, in corrosion resisting steel, passivated. Classification: 900 MPa/120 °C.