DIN EN 3843:2011 Aerospace series - Nuts, bihexagonal, self-locking, with counterbore, in heat resisting steel, passivated - Classification: 1100 MPa (at ambient temperature) / 650 °C; German and English version EN 3843:2010
2011DIN EN 3843:2011 Aerospace series - Nuts, bihexagonal, self-locking, with counterbore, in heat resisting steel, passivated - Classification: 1100 MPa (at ambient temperature) / 650 °C; German and English version EN 3843:2010