Copper Alloy Lock Spring Assembly from China
Phosphor bronze spring pack for tensioning lock tumblers and bolts. Under HTS 8301.60.00.10 as specialized copper alloy parts for base metal locks. Fatigue-resistant for high-cycle operations.
Duty Rate — China → United States
22.8%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 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
• Spring rate certifications matching lock manufacturer specs
• Plating analysis confirming corrosion resistance for security
• Avoid 'general springs' declarations triggering 8302