Section XV — Base metals and articles of base metal
Chapter 73 — Articles of iron or steel
Heading 7318 — Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotterpins, washers (including spring was hers) and similar articles, of iron or steel.
National subdivision 7318.2 — Nonthreaded articles:
Subheading 7318.21 — Spring washers and other lock washers
HS code
7318.21.00 Spring washers and other lock washers
Last Verified Date - 1 October 2026
Common commodities
Split ring spring steel washersHelical lock steel washersInternal tooth lock steel washersExternal tooth lock steel washersDome shaped steel anti-vibration washersWave pattern steel locking washersSteel split washers for bolted connectionsAnti-loosening steel helical washersSteel dome washers to prevent vibrationSteel wave washers with tooth lock feature