External Star Copper Lock Washer from Canada
Star-pattern external tooth lock washer of copper for high-vibration automotive use. Classifies as spring washer under HTS 7415.21.00.00, unthreaded copper article. Excludes sets per GRI 3 rules.
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 'lock washer' nomenclature consistently across docs
• Test for corrosion resistance if marine grade claimed
• Separate from bolt shipments to prevent set classification