标准摘要
[中文适用范围]： 本文件规定了用于冲压工具的 C 型锥形导柱和衬套导柱的尺寸和公差。本文件提供了材料指南，并规定了符合本文件要求的导柱的硬度和名称。 [外文原描述]： This document specifies the dimensions and tolerances of guide pillars, type C, with taper lead and bush, intended for use in press tools. This document gives guidance on the materials and specifies the hardness and the designation of guide pillars which meet the requirements of this document.
英文名称Tools for pressing — Guide pillars — Part 4: Type C, pillars with taper lead and bush