ISO 10664:2014规定了螺栓和螺钉的六角形内部驱动特征的形状和基本尺寸，包括测量方法。定义了六叶内部驱动特征轮廓的曲率，并给出了绘制轮廓时可使用的附加信息。 目的是提供检查六小叶驱动特性所需的详细信息。ISO 10664:2014不适用于也不打算用作制造标准。

ISO 10664:2014 specifies the shape and basic dimensions of the hexalobular internal driving feature for bolts and screws, including the gauging method. The curvature of the contour of the hexalobular internal driving feature is defined and additional information which can be used when drawing the contour given. The intent is to provide the details necessary for inspection of the hexalobular driving feature. ISO 10664:2014 is not suitable for, nor intended to be used as, a manufacturing standard.