DIN EN ISO 898-5-2012 碳钢和合金钢制成的紧固件的机械特性. 第5部分: 指定硬度种类的定位螺钉和类似螺纹紧固件. 粗牙和细牙螺纹(ISO 898-5-2012); 德文版本EN ISO 898-5-2012
Mechanical properties of fasteners made of carbon steel and alloy steel - Part 5: Set screws and similar threaded fasteners with specified hardness classes - Coarse thread and fine pitch thread (ISO 898-5:2012); German version EN ISO 898-5:2012