Harmonized Tariff Schedule of the United States · HTS code · HS 9031.80

9031.80.40

9031.80.40: Other measuring and checking instruments: Electron beam microscopes fitted with equipment specifically designed for the handling and transport of semiconductor wafers or reticles

Other measuring and checking instruments

Not declarable on its own: use one of its 1 subdivisions Data: Harmonized Tariff Schedule of the United States · checked on 24 October 2026

  1. 9031 Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof:
  2. 9031.80 Other instruments, appliances and machines:
  3. 9031.80.40 Electron beam microscopes fitted with equipment specifically designed for the handling and transport of semiconductor wafers or reticles

What you pay

Importing into USA

Customs duty Free standard rate depends on the country of origin
Additional duties and charges —
VAT no federal VAT; a Merchandise Processing Fee of 0.3464 % is charged on formal entries
Duty calculatorCalculate duty and taxes →

US additional duties of HTS chapter 99 in force on 22 October 2026 are included (Section 301, 232, 338 and 201). IEEPA duties are no longer collected after the Supreme Court ruling of February 2026. Conditional exemptions (US content, end use, metal share) are not computed: check the provision.

Additional duties and import rules

Charges on top of the customs duty, and rules the goods must meet at the border.

No additional measures recorded for this origin.

Same subheading in other tariffs

9031.80 Other instruments, appliances and machines

USA lines: 9031.80

Binding rulings for similar goods

Decisions of U.S. Customs and Border Protection (CROSS) and HMRC (Advance Tariff Rulings) on goods classified here. A ruling binds only its holder, but shows how the authorities classify similar goods. The descriptions are the authorities’ own, in English.

  • N365564 U.S. CBP 9 October 2026 · 9031.80.80.85

    The tariff classification of the AngleGenie from China

  • N365161 U.S. CBP 25 September 2026 · 9031.80.80.85

    The tariff classification of an environmental monitoring and condition-sensing tag from Vietnam

  • N364811 U.S. CBP 10 September 2026 · 9031.80.80.85

    The tariff classification of an electromagnetic inspection robot from Canada

  • N362524 U.S. CBP 8 July 2026 · 9031.80.80.85

    The tariff classification and country of origin of a 6-Piece Hand Tool Set

  • 600015353 HMRC 16 July 2026 – 15 July 2029 · 9031 80 80 00

    A web-enabled multichannel temperature and humidity module. This is an industrial Ethernet monitoring controller designed to interface with external temperature and humidity sensors. The device collects environmental data from multiple connected sensors and transmits the information over an…

  • 600015411 HMRC 19 May 2026 – 18 May 2029 · 9031 80 80 00

    A vet-test service kit that operates at a low electrical voltage of 24v and supplied with an external power unit. The weights, plastic pressure testing components, and foam inserts are uniquely manufactured to order. These items are utilised for tailored maintenance and calibration of Vet-Dock…

  • 600015412 HMRC 19 May 2026 – 18 May 2029 · 9031 80 80 00

    A SID-test service kit that operates at a low electrical voltage of 24v and supplied with an external power unit. The weights, plastic pressure testing components, and foam inserts are uniquely manufactured to order. These items are utilised for tailored maintenance and calibration of SID-Dock…

  • 600015354 HMRC 18 May 2026 – 17 May 2029 · 9031 80 80 00

    The Room Alert 12SR Networked Environment Monitor is a secure, rack‑mountable device designed to continuously monitor critical environmental conditions such as temperature, humidity, power, and more. It supports multiple external sensors, enabling real‑time tracking of up to eight additional…

95 rulings in total for this code

Legal notes

Notes

Chapter notes: Chapter 90 →

In the Harmonized Tariff Schedule of the United States, 9031.80.40 is one of 2 lines under subheading 9031.80, other instruments, appliances and machines.

The general duty is free, and quantities are declared in p/st.

For the same subheading, the UK duty is free, the EU duty is free, the Türkiye duty is 0%–4%, the Canada duty is free, the Mexico duty is 0%–15%, the Brazil duty is 7.2%–20%, the Argentina duty is 0%–16%, the Peru duty is free, the New Zealand duty is free, the Japan duty is free, the Taiwan duty is free, the GCC duty is 0%–5%, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is free and the Nigeria duty is 10%.

The United States imported goods of subheading 9031.80 worth US$4bn in 2024; the largest supplier was Mexico, and the United Kingdom ranked 6th with US$247m.

Questions and answers

What is the USA import duty for HTS code 9031.80.40?

The general duty in the Harmonized Tariff Schedule of the United States is free; the supplementary unit is p/st. Preferential rates for goods from agreement countries, anti-dumping duties and VAT are not included.

Where does the United States import these goods from?

For subheading 9031.80 as a whole, the largest supplier in 2024 was Mexico (US$617m), followed by Germany.

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Typical products

Everyday names, not part of the legal text.