标准编号：ISO 16239:2013
中文名称：测量螺纹用公制系列线材
英文名称：Metric series wires for measuring screw threads
发布日期：2013-11
标准范围
This International Standard specifies the material, metric series nominal diameters, diameter tolerances, and designation for screw thread measuring wires.This International Standard is applicable to the measurement of the pitch diameters of ISO general purpose metric screw threads (M), Unified screw threads (UN), Whitworth pipe threads (G, R), and ISO metric trapezoidal screw threads (Tr) with standard pitches. These wires are intended for use onscrew threads with a small lead angle, less than 5°, and are mainly used to calibrate the pitch diameters of thread plug gauges.
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