CPC Main Group B23G 5/00 Thread-cutting tools; Die-heads 5 direct subcodes Child Classifications Navigate with arrow keys, Enter to open B23G 5/005 B23G 5/02 without means for adjustment B23G 5/08 with means for adjustment B23G 5/18 Milling cutters B23G 5/20 combined with other tools, e.g. drills