标准摘要
[中文适用范围]: ISO 1174 的这一部分规定了手动套筒工具驱动方头的尺寸、分离力和名称。 注:ISO 1174-2 中规定了电源插座工具的驱动方头。 [外文原描述]: ISO 1174-1:2011 specifies the dimensions, separation force and designation of driving squares for hand socket tools.
英文名称Assembly tools for screws and nuts — Driving squares — Part 1: Driving squares for hand socket tools