M6 Copper Hex Head Cap Screw from China
A fully threaded M6 (6mm diameter) hex head cap screw made entirely of copper alloy, used in marine and electrical applications requiring corrosion resistance. It falls under HTS 7415.33.80.10 because it is a copper screw with shank and threads 6 mm or more in diameter, distinct from smaller fasteners.
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
• Verify copper alloy composition meets subheading note definitions (e.g
• brass or bronze) via material test reports to avoid reclassification
• Include detailed engineering drawings showing shank/thread dimensions ≥6mm for customs valuation and classification