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国家标准《梯形螺纹量规 技术条件》（GB/T 8124—1987）存在若干错误，本文仅讨论其中的通端螺纹塞规和环规的大、小径方面存在的问题。 该标准前言中规定“本标准适用于检验GB/T 5796—1986《梯形螺纹》用的螺纹量规。” 该标准表1 规定： 通端螺纹塞规检验工件内螺纹作
The national standard “trapezoidal thread gauge technical conditions” (GB / T 8124-1987) there are a number of errors, this article discusses only the end of the thread plug gauge and ring gauge of the large and small aspects of the problems. The preamble stipulates that “This standard applies to test GB / T 5796-1986” trapezoidal thread “thread gauges.” The standard Table 1 provides: through the end of the plug gauge thread inspection work for