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Brass Clockwork Mainspring from Canada

Brass copper-zinc mainsprings for mechanical watches and clocks, HTS 7419.80.1600 as copper springs. High elasticity essential for timepiece power delivery.

Duty Rate — Canada → 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

Specify 'mainspring' function; avoid 'wire' description to prevent 7408 classification

Provide end-use statements for watch assembly to support valuation

Anti-dumping scrutiny applies to certain clock springs from Asia