Belleville Disc Spring Washer 20mm OD from United States
A conical steel disc washer that flattens under load to maintain tension and absorb shock, used in high-pressure flange applications. Its elastic deformation properties qualify it as a spring lock washer under this tariff item.
Duty Rate — United States → Canada
50%
Rate breakdown
26SUR5050%United States Surtax Order (2026) — 50% on US products
Import Tips
• Confirm the washer is made of iron or steel and functions as a lock washer
• Include engineering drawings or datasheets to demonstrate spring properties
• Verify whether the product meets Canadian standards for pressure equipment if used in such applications