Zinc-Plated Steel Belleville Disc Spring Washer M10 from China
Conical disc-shaped washer of zinc-plated steel that provides high load capacity in small spaces. It qualifies under HTS 7318.21.0090 as an 'other' lock washer due to its spring action for locking and vibration resistance. Used in heavy machinery and valves.
Duty Rate — China → United States
40.8%
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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Plating thickness specs must be documented to confirm steel base material
• Test reports proving spring deflection properties aid in classification disputes
• Avoid combining with nuts in packaging to prevent set classification