DIN 65546-2005 航空航天系列.耐腐蚀钢制自锁紧、带深沉孔、凸缘和MJ螺纹的十二角螺母.等级:1100 MPa/315 鳦/425 鳦
Aerospace series - Nuts, bihexagonal with flange and MJ-thread, deep counterbore, self-locking, corrosion-resisting steel, class: 1100 MPa/315 °C/425 °C
This standard specifies the characteristics of nuts, bihexagonal with flange and MJ thread, deep counterbore, self-locking, corrosion-resisting-steel used together with titanium screws and bolts of ?1100 MPa nominal tensile strength and with corrosion-resisting steel screws and bolts of 1250 MPa nominal tensile strength for temperatures up to 315 ?with surface treatment according to code letter D and those for temperatures up to 425 ? only subjected to shear loads and not subjected to tensile loads, with surface treatment according code letter U for aerospace applications.#,,#