These threads, which are produced for harvesting machines which are used effectively in rural areas, provide high strength and low elongation properties and ensure trouble-free operation of the mowing machine. Harvesting machines are used in the same scope for all cereals (wheat and wheat grain barley, oats, rye) that can be grown in every field (plain, small hill, soft soil). It is specially manufactured out of standard dimensions to fit into the thread bucket of the machine. It is produced with the hardness that the machine blade can cut easily.