標準號：SIS SS-ISO 4230-1990
中文標準名稱：錐形管螺紋用手攻和機攻圓板牙．R系列
英文標準名稱：Hand- and machine-operated circular screwing dies for taper pipe threads — R series
發(fā)布日期：1990/1/31 12:00:00
實施日期：1999/12/31 12:00:00
適用范圍：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.