ISO 9448-4:2013规定了1型C形头滑动衬套的主要尺寸和公差，单位为毫米，用于冲压工具，安装在带有过渡配合的夹板中，并通过螺钉固定在夹板上。它根据ISO 9448-4:2013提供了材料指南，并规定了衬套的硬度和名称。

ISO 9448-4:2013 specifies the main dimensions and tolerances, in millimetres, of guide bushes of form C, headed gliding bushes, type 1, intended for use in press tools and to be mounted in the clamp plate with transition fit and fixed to the plate by means of screws. It gives guidance on the materials, and specifies the hardness and the designation of bushes in accordance with ISO 9448-4:2013.