Copper Spring Lock Washer from Canada
A split-ring spring washer made of copper alloy that provides locking action by exerting spring tension. Classified under HTS 7415.21.00.00 as a spring washer of copper, unthreaded for vibration-resistant assemblies. Meets definitions for copper articles in Chapter 74.
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
• Provide alloy composition certificate distinguishing from brass under subheading note (a)
• Label as 'spring washer' explicitly; generic terms risk scrutiny as plain washers
• Ensure no threading; even partial threads reclassify to 7415.31