Copper Alloy Hex Nuts 1/4-20 UNC from China
These 1/4-20 UNC hex nuts are forged from copper-zinc brass alloy, providing excellent conductivity and resistance to dezincification in electrical and marine uses. HTS 7415.33.80 covers these as 'nuts' of copper, distinct from iron/steel equivalents. Composition adheres to brass definition with zinc > other elements and nickel <5%.
Duty Rate — China → United States
38%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Use commercial invoices specifying UNC thread standard and exact alloy grade (e.g
• C36000)
• Obtain pre-shipment approvals for lead-free compliance if destined for potable water systems
• Separate copper nuts from mixed metal shipments to avoid blended duty calculations