Copper Spring Lock Washer from Japan
A split-ring spring washer made of copper alloy that provides locking action by exerting spring tension. It is unthreaded and classified under tariff item 7415.21.00 as a spring washer of copper. The split-ring design is a standard spring washer type.
Duty Rate — Japan → Canada
0%
Import Tips
• Verify the copper alloy composition to ensure it meets the definition of copper alloys under Chapter 74 notes
• Provide heat treatment certificates to show spring function
• Check if the washers are for automotive use, which may have specific standards