Heading 9031: Measuring or checking instruments, appliances and machines, not specified or included…
Every line of heading 9031 in the U.S. Harmonized Tariff Schedule, with its general (column 1) duty rate. Open a code for the landed cost calculator, trade agreement rates and email alerts if the rate changes.
Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof
Chapter 90: Optical, photographic, measuring, medical and surgical instruments. Schedule checked on November 8, 2026.
Not always the total: additional chapter 99 duties (such as Section 232 or Section 301), antidumping or countervailing duties may apply depending on the country of origin. See recent chapter 99 changes →
Tariff lines
| HTS code | Official description | General rate |
|---|---|---|
| 9031.10.00.00 | Machines for balancing mechanical parts | Free |
| 9031.20.00.00 | Test benches | 1.7% |
| 9031.41.00 | For inspecting semiconductor wafers or devices (including integrated circuits) or for inspecting photomasks or reticles used in manufacturing semiconductor devices (including integrated circuits) | Free |
| 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 |
| 9031.49.40.00 | Coordinate-measuring machines | Free |
| 9031.49.70.00 | For inspecting masks (other than photomasks) used in manufacturing semiconductor devices; for measuring surface particulate contamination on semiconductor devices | Free |
| 9031.49.90.00 | Other | Free |
| 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 |
| 9031.80.80 | Other | Free |
| 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 |
| 9031.90.45.00 | Bases and frames for the coordinate-measuring machines of subheading 9031.49.40 | Free |
| 9031.90.54.00 | Of optical instruments and appliances of subheading 9031.41 or 9031.49.70 | Free |
| 9031.90.59.00 | Other | Free |
| 9031.90.70.00 | Of articles of subheading 9031.80.40 | Free |
| 9031.90.91 | Other | Free |
| 9031.90.91.30 | Of machines for balancing mechanical parts | |
| 9031.90.91.60 | Of test benches | |
| 9031.90.91.95 | Other |
Public records · unclaimed listings
U.S. manufacturers in this industry, from public records
These companies are not Fromerica members and did not write these listings: Fromerica created them from public government records and has not verified what the records say. You cannot contact them from here. Open a listing to see what the record says.
- APERTURE OPTICAL SCIENCES INC.
- DANBURY MISSION TECHNOLOGIES, LLC
- HABCO INDUSTRIES, LLC
- PRIME TECHNOLOGY, LLC
- TEST LOGIC, INC.
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And 1 more in the public records. See all →
Exporting this product from the U.S.?
Exports are reported with Schedule B numbers. Heading 9031 has 10 of them. Schedule B lookup →
- 9031.10.0000MACHINES FOR BALANCING MECHANICAL PARTS
- 9031.20.0000TEST BENCHES
- 9031.41.0000OPTICAL INSTRUMENTS FOR INSPECTING SEMICONDUCTOR WAFERS OR DEVICES OR FOR INSPECTING PHOTOMASKS OR RETICLES USED IN MANUFG SEMICONDUCTOR DEVICES
- 9031.49.1000PROFILE PROJECTORS
- 9031.49.4000COORDINATE-MEASURING MACHINES FOR OPTICAL INSTRUMENTS AND APPLIANCES
- 9031.49.8000OPTICAL INSTRUMENTS AND APPLIANCES NESOI
- 9031.80.8060EQUIPMENT FOR TESTING ELECTRICAL CHARACTERISTICS OF INTERNAL COMBUSTION ENGINES
- 9031.80.8070EQUIPMENT FOR TESTING THE CHARACTERISTICS OF INTERNAL COMBUSTION ENGINES, NESOI
- 9031.80.8080MEASURING OR CHECKING INSTRUMENTS, APPLIANCES AND MACHINES, NESOI
- 9031.90.0000PARTS & ACCESSORIES OF MACHINES, NESOI IN THIS CHAPTER AND FOR PROFILE PROJECTORS
Source: U.S. International Trade Commission, Harmonized Tariff Schedule; Schedule B: U.S. Census Bureau. Information only, not legal or customs advice; U.S. Customs and Border Protection decides the classification and the duty. Confirm with a licensed customs broker before you ship.
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