CPC Subgroup Additional Only
B23G 2240/60 Thread whirling, i.e. production of a thread by means of an annular tool rotating about an axis not coincident with the axis of the thread being produced
Full Title
Details of equipment for threading other than threading tools, details of the threading process > Thread whirling, i.e. production of a thread by means of an annular tool rotating about an axis not coincident with the axis of the thread being produced