Are thread steels of coarse steel?
Thread steel does not belong to coarse steel, rough is shaped steel, fine is wire.
Thread steel does not belong to coarse steel, rough is shaped steel, fine is wire.
The thread steel is not coarse steel and the thread steel belongs to the steel. Rough steel refers to the billet after casting steel. The billet has been rolled into various shapes of steel, including plates, profiles, tubes and so on.
