DIN 65285:1987-03
航天;沉头螺钉,带棱纹 TORQ-SET (ACR) 凹槽和 MJ 螺纹,短螺纹长度,耐腐蚀钢,标称抗拉强度 1100 MPa,适用温度高达 425 °C
Aerospace; countersunk head screws, with ribbed TORQ-SET (ACR) recess and MJ thread, short thread length, corrosion-resisting steel, nominal tensile strength 1100 MPa, for temperatures up to 425 °C