HTS code 8479.90.45.00 covers "Machines and mechanical appliances having individual functions, not specified or included elsewhere in this chapter; parts thereof › Parts › Of articles of subheading 8479.89.10 or 8479.89.70 › Frame assemblies incorporating more than one of the following: baseplate; side frames; power screws; front plates" 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.