标准号:ISO 4230-1987
中文标准名称:锥管螺纹的手动和机动圆板牙 R系列
英文标准名称:Hand- and machine-operated circular screwing dies for taper pipe threads; R series
标准类型:J41
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:J41
国际标准分类号:25.100.50
适用范围:This second edition cancels and replaces the first edition (ISO 4230:1977). Is a supplement to ISO 2568 and ISO 4231 and lys down the dimensions of these screwing dies intended for production of taper pipe threads in accordance with ISO 7-1. With the exception of the die 1/16, the 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.