Pure Copper Constant Force Springs from Germany
Spiral-wound pure electrolytic copper constant force springs for retractable cords and battery contacts, classified under HTS 7419.80.1600. Provides uniform tension in compact spaces.
Duty Rate — Germany → United States
53%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Confirm copper purity >99% via assay certificates for Chapter 74 entry
• Watch for oxidation; import in nitrogen-sealed packaging
• Distinguish from wire by spring function on entry documents