SIS SS-ISO 4231-1990 平行管螺纹用手攻和机攻圆板牙．G系列

标准号：SIS SS-ISO 4231-1990
中文标准名称：平行管螺纹用手攻和机攻圆板牙．G系列
英文标准名称：Hand- and machine-operated circular screwing dies for parallel pipe threads — G series
发布日期：1990/1/31 12:00:00
实施日期：1999/12/31 12:00:00
适用范围：This International Standard is a supplement to ISO 2568 and ISO 4230 and lays down 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.