HS code 9031.10: Machines for balancing mechanical parts
Last updated
Key facts
- HS code
- 9031.10
- Covers
- Machines for balancing mechanical parts
- Edition
- HS2022
- Duty in the United States
- See its 1 line
Summary
HS code 9031.10 covers machines for balancing mechanical parts. It sits in heading 90.31 (measuring or checking instruments, appliances and machines, not specified or included elsewhere in this Chapter; profile projectors) in chapter 90 (optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof). Other goods of heading 90.31 are classified under 9031.20 (test benches), 9031.41 (other optical instruments and appliances, for inspecting semiconductor wafers or devices (including integrated circuits) or for inspecting photomasks or reticles used in manufacturing semiconductor devices (including integrated circuits)), 9031.49 (other optical instruments and appliances, other), 9031.80 (other instruments, appliances or machines) and 1 other. National tariff lines under 9031.10 are live on border.bot for the United States (1 line, also used by 1 other country).
What this code covers
HS code 9031.10 covers machines for balancing mechanical parts.
The legal text of the subheading is “Machines for balancing mechanical parts”, in HS2022.
What it doesn’t cover
Other goods of heading 90.31 are classified under 9031.20 (test benches), 9031.41 (other optical instruments and appliances, for inspecting semiconductor wafers or devices (including integrated circuits) or for inspecting photomasks or reticles used in manufacturing semiconductor devices (including integrated circuits)), 9031.49 (other optical instruments and appliances, other), 9031.80 (other instruments, appliances or machines) and 1 other.
- 9031.20Test benches
- 9031.41Other optical instruments and appliances: For inspecting semiconductor wafers or devices (including integrated circuits) or for inspecting photomasks or reticles used in manufacturing semiconductor devices (including integrated circuits)
- 9031.49Other optical instruments and appliances: Other
- 9031.80Other instruments, appliances and machines
- 9031.90Parts and accessories
How it is structured
9031.10 is a six-digit subheading. Its first two digits, 90, are the chapter; the first four, 9031, are heading 90.31; the last two, 10, identify the subheading within the heading.
Countries add their own digits after these six for their national tariff lines.
- Subheading 9031.10
- Machines for balancing mechanical parts
In other countries
National tariff lines under 9031.10 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 9031.10 cover?
HS code 9031.10 covers machines for balancing mechanical parts.
Which heading and chapter is HS code 9031.10 in?
HS code 9031.10 is in heading 90.31 (measuring or checking instruments, appliances and machines, not specified or included elsewhere in this Chapter; profile projectors) in chapter 90 (optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof).
Where are goods of heading 90.31 classified when 9031.10 doesn’t fit?
Other goods of heading 90.31 are classified under 9031.20 (test benches), 9031.41 (other optical instruments and appliances, for inspecting semiconductor wafers or devices (including integrated circuits) or for inspecting photomasks or reticles used in manufacturing semiconductor devices (including integrated circuits)), 9031.49 (other optical instruments and appliances, other), 9031.80 (other instruments, appliances or machines) and 1 other.
Which countries’ tariffs list national lines under HS code 9031.10?
National tariff lines under 9031.10 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.