标准摘要
[中文适用范围]： 指定通用应用的直径；列出了螺纹直径从 1 毫米到 150 毫米的细、中和粗系列的孔径；特殊用途的孔应根据设计要求选择。 [外文原描述]： Specifies diameters for general purpose applications; tabulates the hole diameters for fine, medium and coarse series for thread diameters from 1 mm up to 150 mm; holes for special applications should be selected on the basis of design requirements.
英文名称Fasteners — Clearance holes for bolts and screws