ISO 10889-4:2016规定了符合ISO 10889-1的C1至C4型矩形轴向阀座和圆柱柄刀架的尺寸、名称和补充技术交付条件。 ISO 10889-4:2016适用于带圆柱柄的刀架，适用于带非旋转刀具的机床，最好是车削机床。 对于带有矩形轴向阀座的非标准化刀架，如图1至图4所示的刀架，建议采用ISO 10889本部分的相应规范。

ISO 10889-4:2016 specifies dimensions, designations and complementary technical delivery conditions for tool holders with a rectangular axial seat of types C1 to C4 with cylindrical shank in accordance with ISO 10889？1. ISO 10889-4:2016 is applicable to tool holders with cylindrical shank for machine tools with non-rotating tools, preferably for turning machines. For non-standardized tool holders with rectangular axial seat, such as the tool holders shown in Figures 1 to 4, it is advisable to apply the corresponding specifications of this part of ISO 10889.