Mexican Tariff (TIGIE) · tariff fraction · HS 7318.16

7318.16.06.04

7318.16.06.04: Steel nuts: De diámetro interior superior a 15.9 mm (5/8 pulgada) pero inferior o igual a 38.1 mm (1½ pulgadas), excepto lo comprendido en los números de identificación comercial 7318.16.06.01 y 7318.16.06.02.

Steel nuts

✓ Can be used in a customs declaration Data: Mexican Tariff (TIGIE), in force from 14 October 2026 · checked on 24 October 2026

This line has no official text in this language; it is shown in the language of its tariff.

  1. 7318 Tornillos, pernos, tuercas, tirafondos, escarpias roscadas, remaches, pasadores, chavetas, arandelas (incluidas las arandelas de muelle (resorte)) y artículos similares, de fundición, hierro o acero.
  2. 7318.16 Tuercas.
  3. 7318.16.06 Tuercas.
  4. 7318.16.06.04 De diámetro interior superior a 15.9 mm (5/8 pulgada) pero inferior o igual a 38.1 mm (1½ pulgadas), excepto lo comprendido en los números de identificación comercial 7318.16.06.01 y 7318.16.06.02.

What you pay

Importing into Mexico

Customs duty 35% standard rate depends on the country of origin

Customs duty only: import VAT, other taxes and trade defence duties of this country are not covered here, and the duty calculator works only with the EU, Türkiye, US and UK tariffs.

Same subheading in other tariffs

7318.16 Screws, bolts, nuts, coach screws, screw hooks, rivets: threaded articles, nuts

UK Free Third-country duty 12 tariff lines EU 3.7% Third-country duty 6 tariff lines Türkiye 3.7% Third-country duty 6 tariff lines USA Free General (MFN) 1 tariff line Canada Free General (MFN) 2 tariff lines Brazil 16% General (MFN) 1 tariff line Argentina 25% General (MFN) 10 tariff lines Peru 6% General (MFN) 1 tariff line New Zealand 5% General (MFN) 4 tariff lines Japan 2.8% General (MFN) 2 tariff lines Taiwan 5% General (MFN) 1 tariff line GCC 5% General (MFN) 2 tariff lines Switzerland Free General (MFN) 1 tariff line Norway Free General (MFN) 1 tariff line North Macedonia 3.7% – 15% General (MFN) 7 tariff lines · average 10% Nigeria 20% General (MFN) 1 tariff line

Mexico lines: 7318.16

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.

  • N365426 U.S. CBP 8 October 2026 · 7318.16.00.45

    The tariff classification of a steel lug nut from Thailand

  • N357577 U.S. CBP 3 February 2026 · 7318.16.00.60

    The tariff classification of a stainless-steel lock nut from Germany

  • N349423 U.S. CBP 24 June 2025 · 7318.16.00.15

    The tariff classification of steel wheel nuts and flange bolts from Mexico

  • N348843 U.S. CBP 9 June 2025 · 7318.16.00.85

    The tariff classification of a steel loop nut and J-bolt from India

  • 600015860 HMRC 20 July 2026 – 19 July 2029 · 7318 16 92 90

    A threaded nut made from steel. It is used on a tensioner pulley bearing. It is a fastener that keeps the pulley on the bracket with its mating bolt.

  • 600015617 HMRC 18 June 2026 – 17 June 2029 · 7318 16 39 90

    Super Duplex Stainless Steel Fasteners Nuts Various size nuts that are manufactured from S32760 high-strength stainless steel, these fasteners are designed for harsh, corrosive environments. They are formed hot or cold, with internal threads produced by tapping. Commonly used in offshore energy…

  • 600014972 HMRC 17 February 2026 – 16 February 2029 · 7318 16 39 90

    A metal threaded nut. It is made from stainless steel castings 304/304L/316/316L, it is round in shape with grooves and is engraved. It is used to screw a connection union together in either a pipeline or into a machine. Normally packaged in boxes of 10.

16 rulings in total for this code

Legal notes

Chapter notes: Chapter 73 →

In the Mexican Tariff (TIGIE), 7318.16.06.04 is one of 5 lines under subheading 7318.16, screws, bolts, nuts, coach screws, screw hooks, rivets: threaded articles, nuts.

The import duty (IGI) is 35%, and quantities are declared in Kg.

For the same subheading, the UK duty is free, the EU duty is 3.7%, the Türkiye duty is 3.7%, the US duty is free, the Canada duty is free, the Brazil duty is 16%, the Argentina duty is 25%, the Peru duty is 6%, the New Zealand duty is 5%, the Japan duty is 2.8%, the Taiwan duty is 5%, the GCC duty is 5%, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is 3.7%–15% and the Nigeria duty is 20%.

Mexico imported goods of subheading 7318.16 worth US$581m in 2024; the largest supplier was the United States.

Questions and answers

What is the Mexico import duty for tariff fraction 7318.16.06.04?

The import duty (IGI) in the Mexican Tariff (TIGIE) is 35%; the supplementary unit is Kg. This page shows the rate as published by the national source and, where the source publishes them, preferential rates: choose the country of origin to see them. Trade defence duties and VAT are not covered.

Where does Mexico import these goods from?

For subheading 7318.16 as a whole, the largest supplier in 2024 was the United States (US$328m), followed by Taiwan.

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Typical products

Everyday names, not part of the legal text.