The Round die consists of heavy-duty highspeed steel (HSS) in unalloyed and low-alloyed steels up to a strength of 800 N/mm². The Round die consists of cobalt alloyed heavy-duty high-speed steel (HSS Co 5) in unalloyed and alloyed steels up to a strength of 900 N/ mm² and non-ferrous metals. The thread is cut in one operation.
