标准编号：ISO 4231:2016
中文名称：锥管螺纹的手动和机动圆板牙 G系列
英文名称：Hand- and machine-operated circular screwing dies for parallel pipe threads — G series
发布日期：2016-10
标准范围
This International Standard is a supplement to ISO 2568 and ISO 4230 and specifies the dimensions of hand- and machine-operated circular screwing dies intended for production of parallel pipe threads, G series, in accordance with ISO 228-1.The general dimensions of these dies (diameter, thickness and fixing dimensions) are in accordance with ISO 2568 so as to permit the driving of hand-operated dies with the aid of the die stocks defined in that document.
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