标准摘要
[中文适用范围]： 本国际标准是对ISO 2568和ISO 4231的补充，规定了手摇和机械操作的圆形螺母机的尺寸，适用于R系列锥管螺纹的生产。 [外文原描述]： ISO 4230:2016 is a supplement to ISO 2568 and ISO 4231 and specifies 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.
英文名称Hand- and machine-operated circular screwing dies for taper pipe threads — R series