ISO 10889-3:2016根据ISO 10889-1规定了B1-B8型带圆柱柄矩形径向阀座的刀架的尺寸、名称和补充技术交付条件。 ISO 10889适用于带有圆柱柄的刀架，适用于带有非旋转刀具的机床，最好用于车床。 对于带有矩形径向阀座的非标准化刀架，如图中所示的刀架，建议采用ISO 10889本部分的相应规范。

ISO 10889-3:2016 specifies dimensions, designations, and complementary technical delivery conditions for tool holders with a rectangular radial seat of types B1 to B8 with cylindrical shank in accordance with ISO 10889？1. ISO 10889 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 a rectangular radial seat such as the tool holders shown in the figures, it is advisable to apply the corresponding specifications of this part of ISO 10889.