ISO 5609-1:2012规定了圆柱柄内车削刀架的名称、样式、一般尺寸和修正计算代码。本标准旨在与ISO 5609-2、ISO 5609 3、ISO 5609 4、ISO 5609 5和ISO 5609-6结合使用，并由ISO 5609-2、ISO 5609 3、ISO 5609 4、ISO 5609 5和ISO 5609-6完成。 这些刀架主要用于硬质合金、陶瓷或其他切削材料制成的可转位刀片，通过夹紧安装，用于内部车削操作。

ISO 5609-1:2012 specifies the code for the designation, styles, general dimensions and calculation for corrections for tool holders for internal turning with cylindrical shank. It is intended to be used in conjunction with, and is completed by, ISO 5609-2, ISO 5609 3, ISO 5609 4, ISO 5609 5 and ISO 5609-6. These tool holders are primarily intended for indexable inserts made of hardmetal, ceramic or other cutting materials to be mounted by clamping and to be used for internal turning operations.