ISO 237:1975 直柄回转刀具.刀柄的直径和传动方块的尺寸

标准编号：ISO 237:1975

中文名称：直柄回转刀具.刀柄的直径和传动方块的尺寸

英文名称：Rotating tools with parallel shanks — Diameters of shanks and sizes of driving squares

发布日期：1975-02

标准范围

适用于铰刀、丝锥等。它包括两个系列的尺寸。整个直径范围分为一定数量的直径台阶。在公制表格中，正方形的横平面值和首选直径根据R20系列首选数字进行缩放。在英寸表中，这些值是相应公制值的精确转换。

Applies to reamers, screwing taps, etc. It comprise two series of dimensions. The complete range of diameters is divided into a certain number of diameter steps. In the metric tables, the values of the across flats of the squares and the preferred diameters are scaled in accordance with the R20 series of preferred numbers. In the inch tables, these values are exact conversions of the corresponding metric values.

标准预览图