DIN 65554-1987 航空航天.公称抗拉强度1100MPa使用温度为425℃以下的耐腐蚀钢制短长度MJ螺纹的带有筋状翼形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, corrosion-resisting steel, nominal tensile strength 1100 MPa, for temperatures up to 425 °C
This standard contains specifications pertinent to manufacture and use such as dimensions and designation, material, thread, surface treatment, marking and technical specifications.