标准摘要
[中文适用范围]： 本标准规定厂岩石钻孔用于式钻杆和钻头尾柄部的连接尺寸，另外还给出了一种用于湿式钻孔钻 杆勺钻头的实例。 本标准未规定钻杆和钻头本身的尺寸。 [外文原描述]： Specifies the connecting dimensions for drill-rods and the shanks of drill-bits. In addition, an example is given for wet drilling. Tabulates dimensions in millimetres and inches; some figures illustrate shapes and reference quantities of concern.
英文名称Rock drilling — Rotary drill-rods and rotary drill-bits for dry drilling — Connecting dimensions