DIN 65318-1987 航空航天.公称抗拉强度1100MPa使用温度为235℃以下的钢制短长度MJ螺纹的带有筋状翼形的扭矩调节十字槽头盘头螺栓
Aerospace; pan head bolts with ribbed TORQ-SET (ACR) recess and short-length MJ-thread, steel; nominal tensile strength 110 MPa, for temperatures up to 235 °C
This standard contains specifications pertinent to manufacture and use such as dimensions and designation, material, thread, surface treatment, marking and technical specifications.