Harmonized Tariff Schedule of the U.S. › Chapter 73 Articles of iron or steel
7318.21.00.30Tariff line
Classification path
Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel
7318
Non-threaded articles
Spring washers and other lock washers
Helical spring lock washers
7318.21.00.30
Rates of duty
- General rate (Column 1)
- 5.8%
- Special
- Free (A, AU, B, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG) 2.9% (JP)
- Column 2
- 35%
- Unit
- kg
- Printed page
- 2626
Measure flagsfor origin CN
- Section 301 China, L39903.88.03 · 25%
- Section 232 (METALS)9903.82.02 · 50% · 钢衍生品 — Iron or steel, spring washers and other lock washers · from 2026-04-06