SIS SS-ISO 4230-1990 锥形管螺纹用手攻和机攻圆板牙．R系列

标准号：SIS SS-ISO 4230-1990
中文标准名称：锥形管螺纹用手攻和机攻圆板牙．R系列
英文标准名称：Hand- and machine-operated circular screwing dies for taper pipe threads — R 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 4231 and lays down the dimensions of hand- and machine-operated circular screwing dies intended for production of taper pipe threads, R series, in accordance with ISO 7-1.With the exception of the die 1/16, 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.