
ISO METRIC SCREW THREADS - COARSE AND FINE SCREW THREADS FROM 1 TO 300 MM DIAMETER - GENERAL PLAN OF THE SCREW THREADS ACCORDING TO ISO 261-1973
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
ISO 261-1973 contains ISO general purpose metric screw threads having a basic profile according to ISO 68-1973. It is left to the discretion of each country concerned to make a suitable selection from the screw threads featured with diameter/pitch combinations which are best suited to the needs of the particular country 1).