HTS code 7213.91.60.00 covers "Bars and rods, hot-rolled, in irregularly wound coils, of iron or nonalloy steel › Other, of free-cutting steel › Of circular cross section measuring less than 14 mm in diameter › Not tempered, not treated and not partly manufactured › Other" under the US Harmonized Tariff Schedule. This is the official duty rate charged by US Customs when this product is imported into the United States, sourced directly from the U.S. International Trade Commission and refreshed daily.