Music Wire Helical Torsion Spring from China
Note: This is a close-wound helical spring exerting torque, made from high-carbon music wire for precision applications like clamps and hinges. It is under HTS 7320.20.50 as 'other' helical springs, distinct from dedicated torsion springs in statistical notes.
Duty Rate — China → United States
21.4%
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
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 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(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
Import Tips
• Use technical specs to differentiate from pure torsion springs; helical form dictates 7320.20
• Ensure invoices specify 'helical' to avoid confusion with flat torsion bars
• Comply with steel import quotas if applicable to high-carbon wire products