Key facts
- HS code
- 7315.81
- Covers
- Other chain, stud-link
- Edition
- HS2022
- Duty in the United States
- See its 1 line
Summary
HS code 7315.81 covers other chain, stud-link. It sits in heading 73.15 (chain and parts thereof, of iron or steel) in chapter 73 (articles of iron or steel). Other goods of heading 73.15 are classified under 7315.11 (articulated link chain and parts thereof, roller chain), 7315.12 (articulated link chain and parts thereof, other chain), 7315.19 (articulated link chain and parts thereof, parts), 7315.20 (skid chain) or 3 others. National tariff lines under 7315.81 are live on border.bot for the United States (1 line, also used by 1 other country).
What this code covers
HS code 7315.81 covers other chain, stud-link.
The legal text of the subheading is “Other chain: Stud-link”, read under “Other chain”, in HS2022.
What it doesn’t cover
Other goods of heading 73.15 are classified under 7315.11 (articulated link chain and parts thereof, roller chain), 7315.12 (articulated link chain and parts thereof, other chain), 7315.19 (articulated link chain and parts thereof, parts), 7315.20 (skid chain) or 3 others.
How it is structured
7315.81 is a six-digit subheading. Its first two digits, 73, are the chapter; the first four, 7315, are heading 73.15; the last two, 81, identify the subheading within the heading.
Countries add their own digits after these six for their national tariff lines.
- Chapter 73
- Articles of iron or steel
- Heading 73.15
- Chain and parts thereof, of iron or steel
- Within the heading
- Other chain
- Subheading 7315.81
- Stud-link
In other countries
National tariff lines under 7315.81 are live on border.bot for the United States (1 line, also used by 1 other country).
- United States1 line, used by 1 other country
Frequently asked questions
What does HS code 7315.81 cover?
HS code 7315.81 covers other chain, stud-link.
Which heading and chapter is HS code 7315.81 in?
HS code 7315.81 is in heading 73.15 (chain and parts thereof, of iron or steel) in chapter 73 (articles of iron or steel).
Where are goods of heading 73.15 classified when 7315.81 doesn’t fit?
Other goods of heading 73.15 are classified under 7315.11 (articulated link chain and parts thereof, roller chain), 7315.12 (articulated link chain and parts thereof, other chain), 7315.19 (articulated link chain and parts thereof, parts), 7315.20 (skid chain) or 3 others.
Which countries’ tariffs list national lines under HS code 7315.81?
National tariff lines under 7315.81 are live on border.bot for the United States (1 line, also used by 1 other country).
Sources and updates
The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.
This page was last updated on 11 October 2026.
Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.