HTS 9031
Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof
As of Revision 22 (2026), effective Oct 30, 2026Source: USITC HTS ↗
Chapters › 9031
Chapter 99 measures listing products under 9031
Potash that is a product of Mexico, as provided for in U.S. note 2(c) to this subchapter
Mexico8 listed productsArticles of civil aircraft (all aircraft other than military aircraft and unmanned aircraft); their engines, parts and components; their other parts, components and subassemblies; and ground flight simulators and their parts and components the product of Canada, as provided for in subdivision (d) of U.S. note 51 to…
Canada8 listed productsExcept for products described in headings 9903.05.02–9903.05.09, articles the product of Brazil, as provided for in subdivision (a) of U.S. note 50 to this subchapter
Brazil8 listed productsArticles the product of Brazil, as provided for in subdivision (a)(ii) of U.S. note 50 to this subchapter
Brazil8 listed productsArticles the product of Brazil, as provided for in subdivision (a)(iii) of U.S. note 50 to this subchapter
Brazil8 listed productsArticles of civil aircraft (all aircraft other than military aircraft); their engines, parts and components; their other parts, components and subassemblies; and ground flight simulators and their parts and components of Brazil, as provided for in subdivision (a)(iv) of U.S. note 50 to this subchapter
Brazil8 listed productsArticles the product of Brazil that are articles for use in pharmaceutical applications, as provided for in subdivision (a)(v) of U.S. note 50 to this subchapter
Brazil8 listed productsArticles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo…
Brazil8 listed productsArticles provided for in subdivision (b) of U.S. note 52 to this subchapter
6 listed productsArticles of civil aircraft (all aircraft other than military aircraft); their engines, parts and components; their other parts, components and subassemblies; and ground flight simulators and their parts and components, as provided for in subdivision (d) of U.S. note 52 to this subchapter
4 listed productsExcept as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 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(a) to this…
China14 listed productsExcept 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…
China1 listed productEffective with respect to entries on or after June 30, 2025, articles of civil aircraft (all aircraft other than military aircraft); their engines, parts, and components; their other parts, components, and subassemblies; and ground flight simulators and their parts and components of the United Kingdom, classified in…
United Kingdom8 listed productsArticles of civil aircraft (all aircraft other than military aircraft); their engines, parts, and components; their other parts, components, and subassemblies; and ground flight simulators and their parts and components of Japan, excluding unmanned aircraft, classified in the subheadings enumerated in subdivision (b)…
Japan8 listed products
Lines under 9031
| HTS | Description | General | Column 2 |
|---|---|---|---|
| 9031.10.00.00 | Machines for balancing mechanical parts | Free | 40% |
| 9031.20.00.00 | Test benches | 1.7% | 45% |
| 9031.41.00 | For inspecting semiconductor wafers or devices (including integrated circuits) or for inspecting photomasks or reticles used in… | Free | 50% |
| 9031.41.00.20 | For inspecting photomasks or reticles used in manufacturing semiconductor devices | ||
| 9031.41.00.40 | For wafers | ||
| 9031.41.00.60 | Other | ||
| 9031.49 | Other: | ||
| 9031.49.10.00 | Profile projectors | Free | 45% |
| 9031.49.40.00 | Coordinate-measuring machines | Free | 50% |
| 9031.49.70.00 | For inspecting masks (other than photomasks) used in manufacturing semiconductor devices; for measuring surface particulate contamination… | Free | 50% |
| 9031.49.90.00 | Other | Free | 50% |
| 9031.80 | Other instruments, appliances and machines: | ||
| 9031.80.40.00 | Electron beam microscopes fitted with equipment specifically designed for the handling and transport of semiconductor wafers or reticles | Free | 40% |
| 9031.80.80 | Other | Free | 40% |
| 9031.80.80.60 | For testing electrical characteristics | ||
| 9031.80.80.70 | Other | ||
| 9031.80.80.85 | Other | ||
| 9031.90 | Parts and accessories: | ||
| 9031.90.21.00 | Of profile projectors | Free | 45% |
| 9031.90.45.00 | Bases and frames for the coordinate-measuring machines of subheading 9031.49.40 | Free | 50% |
| 9031.90.54.00 | Of optical instruments and appliances of subheading 9031.41 or 9031.49.70 | Free | 50% |
| 9031.90.59.00 | Other | Free | 50% |
| 9031.90.70.00 | Of articles of subheading 9031.80.40 | Free | 40% |
| 9031.90.91 | Other | Free | 40% |
| 9031.90.91.30 | Of machines for balancing mechanical parts | ||
| 9031.90.91.60 | Of test benches | ||
| 9031.90.91.95 | Other |