本文件根据ISO 2902规定了ISO公制梯形螺纹的基本尺寸。这些数值是指符合ISO 2901的设计剖面。 本文件主要适用于在机器、工具等上进行横向运动的横向螺纹，也可用于紧固螺纹。交叉引用:ISO 5408ISO 2901ISO 2902购买本文件时所有当前可用的修订版均包含在购买本文件中。

This document specifies the basic dimensions of ISO metric trapezoidal screw threads in accordance with ISO 2902. The values refer to the design profiles in accordance with ISO 2901. This document is chiefly applicable to traversing threads for traversing motion on machines, tools, etc. It can also be used for fastening threads.Cross References:ISO 5408ISO 2901ISO 2902All current amendments available at time of purchase are included with the purchase of this document.