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
13%
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
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