UK Global Tariff · commodity code · HS 8431.43
8431 43 00 90: Parts for boring or sinking machinery of subheading 8430 41: other
Boring and drilling machinery parts
✓ Can be used in a customs declaration Data: UK Global Tariff · checked on 24 October 2026
- 8431 Parts suitable for use solely or principally with the machinery of headings 8425 to 8430
- Of machinery of heading 8426, 8429 or 8430
- 8431 43 00 00 Parts for boring or sinking machinery of subheading 8430 41 or 8430 49
- 8431 43 00 90 Other
What you pay
Importing into UK
Additional duties and import rules
Charges on top of the customs duty, and rules the goods must meet at the border.
Additional duties and charges 3
- Additional dutyAdditional duties 35%
- Applies to goods from
- Belarus, Russia
- Legal act
- 2022 No. 376
- Documents
- 9008
- Duty suspensionSuspension - goods for certain categories of ships, boats and other vessels and for drilling or production platforms Free
- Applies to goods from
- all countries
- Legal act
- 2020 No. 1431
- Documents
- C990 End use authorisation ships and platforms (Column 8c, Annex A of Delegated Regulation (EU) 2015/2446)
- Duty suspensionAirworthiness tariff suspension Free
- Applies to goods from
- all countries
- Legal act
- S.I. 2018/1249
- Documents
- C119 Authorised Release Certificate — EASA Form 1 (Appendix I to Annex I to Regulation (EU) No 748/2012), or equivalent certificate
Import requirements 2
- Prohibition or restrictionImport prohibition
- Applies to goods from
- North Korea
- Legal act
- S.I. 2019/411
- Import controlRestriction on entry into free circulation
- Applies to goods from
- Russia, Ukraine
- Legal act
- 2022 No.998, S.I. 2022/395
- Documents
- 9015
- 9016
- 9009
- 9010
- 9017
Preferential rates by country
| Agreement or scheme | Countries | Rate |
|---|---|---|
| standard rate (no agreement) | — | Free |
| DCTS Comprehensive | Afghanistan, Angola, Bangladesh, Benin and 38 moreAfghanistan, Angola, Bangladesh, Benin, Bhutan, Burkina Faso, Burundi, Cambodia, Central African Republic, Chad, Comoros, Congo - Kinshasa, Djibouti, Eritrea, Ethiopia, Gambia, Guinea, Guinea-Bissau, Haiti, Kiribati, Laos, Liberia, Malawi, Mali, Mauritania, Myanmar (Burma), Nepal, Niger, Rwanda, São Tomé & Príncipe, Senegal, Sierra Leone, Somalia, South Sudan, Sudan, Tanzania, Timor-Leste, Togo, Tuvalu, Uganda, Yemen, Zambia | Free |
| European Union (including code " EU") | Free | |
| DCTS Enhanced | Algeria, Bolivia, Cape Verde, Congo - Brazzaville and 13 moreAlgeria, Bolivia, Cape Verde, Congo - Brazzaville, Cook Islands, Kyrgyzstan, Micronesia, Mongolia, Nigeria, Niue, Pakistan, Philippines, Sri Lanka, Syria, Tajikistan, Uzbekistan, Vanuatu | Free |
| CARIFORUM | Antigua & Barbuda, Bahamas, Barbados, Belize and 10 moreAntigua & Barbuda, Bahamas, Barbados, Belize, Dominica, Dominican Republic, Grenada, Guyana, Jamaica, St Kitts & Nevis, St Lucia, St Vincent & the Grenadines, Suriname, Trinidad & Tobago | Free |
| OCTs (Overseas Countries and Territories) | Anguilla, Bermuda, British Indian Ocean Territory, British Virgin Islands and 7 moreAnguilla, Bermuda, British Indian Ocean Territory, British Virgin Islands, Cayman Islands, Falkland Islands, Montserrat, Pitcairn Islands, South Georgia & South Sandwich Islands, St Helena, Turks & Caicos Islands | Free |
| Central America | Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua, Panama | Free |
| SADC EPA | Botswana, Eswatini, Lesotho, Mozambique, Namibia | Free |
| Eastern and Southern Africa States | Madagascar, Mauritius, Seychelles, Zimbabwe | Free |
| CPTPP | Brunei, Malaysia | Free |
| UK–Andorra agreement | Andorra | Free |
| UK–Albania agreement | Albania | Free |
| UK–Australia agreement | Australia | Free |
| UK–Canada agreement | Canada | Free |
| UK–Switzerland agreement | Switzerland | Free |
| UK–Côte d’Ivoire agreement | Côte d’Ivoire | Free |
| UK–Chile agreement | Chile | Free |
| UK–Cameroon agreement | Cameroon | Free |
| UK–Colombia agreement | Colombia | Free |
| UK–Ceuta & Melilla agreement | Ceuta & Melilla | Free |
| UK–Ecuador agreement | Ecuador | Free |
| UK–Egypt agreement | Egypt | Free |
| UK–Fiji agreement | Fiji | Free |
| UK–Faroe Islands agreement | Faroe Islands | Free |
| UK–Georgia agreement | Georgia | Free |
| UK–Ghana agreement | Ghana | Free |
| DCTS Standard | Indonesia | Free |
| UK–Israel agreement | Israel | Free |
| UK–India agreement | India | Free |
| UK–Iceland agreement | Iceland | Free |
| UK–Jordan agreement | Jordan | Free |
| UK–Japan agreement | Japan | Free |
| UK–Kenya agreement | Kenya | Free |
| UK–South Korea agreement | South Korea | Free |
| UK–Lebanon agreement | Lebanon | Free |
| UK–Liechtenstein agreement | Liechtenstein | Free |
| UK–Morocco agreement | Morocco | Free |
| UK–Moldova agreement | Moldova | Free |
| UK–North Macedonia agreement | North Macedonia | Free |
| UK–Mexico agreement | Mexico | Free |
| UK–Norway agreement | Norway | Free |
| UK–New Zealand agreement | New Zealand | Free |
| UK–Peru agreement | Peru | Free |
| UK–Papua New Guinea agreement | Papua New Guinea | Free |
| UK–Palestinian Territories agreement | Palestinian Territories | Free |
| UK–Serbia agreement | Serbia | Free |
| UK–Solomon Islands agreement | Solomon Islands | Free |
| UK–Singapore agreement | Singapore | Free |
| UK–San Marino agreement | San Marino | Free |
| UK–Tunisia agreement | Tunisia | Free |
| UK–Türkiye agreement | Türkiye | Free |
| UK–Ukraine agreement | Ukraine | Free |
| UK–Vietnam agreement | Vietnam | Free |
| UK–Samoa agreement | Samoa | Free |
| UK–Kosovo agreement | Kosovo | Free |
| UK–South Africa agreement | South Africa | Free |
Footnotes
TN211 The Russia (Sanctions) (EU Exit) Regulations 2019 impose trade restrictions on certain goo…
TN701 According to the Council Regulation (EU) No 692/2014 (OJ L183, p. 9), as retained in UK La…
The prohibition shall not apply in respect of:
(a) the execution until 26 September 2014, of trade contracts concluded before 25 June 2014, or of ancillary contracts necessary for the execution of such contracts, provided that the natural or legal persons, entity or body seeking to perform the contract have notified, at least 10 working days in advance, the activity or transaction to the competent authority of the Member State in which they are established.
(b) goods originating in Crimea or Sevastopol which have been made available to the Ukrainian authorities for examination, for which compliance with the conditions conferring entitlement to preferential origin has been verified and for which a certificate of origin has been issued in accordance with Regulation (EU) No 978/2012 and Regulation (EU) No 374/2014, as retained in UK Law, or in accordance with the EU-Ukraine Association Agreement
TN702 According to the Council Regulation (EU) No 1351/2014 (OJ L365, p. 46), the export of good…
(a) to any natural or legal person, entity or body in Crimea or Sevastopol, or
(b) for use in Crimea or Sevastopol.
The prohibitions shall be without prejudice to the execution until 21 March 2015 of an obligation arising from a contract concluded before 20 December 2014, or by ancillary contracts necessary for the execution of such contracts, provided that the competent authority has been informed at least five working days in advance.
When related to the use in Crimea or Sevastopol, the prohibitions do not apply where there are no reasonable grounds to determine that the goods and technology or the services are to be used in Crimea or Sevastopol.
UK: imports by month · HS 8431.43
Main suppliers, last 12 months
| Country | Value | Share | Change |
|---|---|---|---|
 United States | £44.7m | 24.8% | -15.4% |
 China | £18.8m | 10.5% | +39.2% |
| United Kingdom | £18.7m | 10.4% | -27% |
 Singapore | £11.2m | 6.2% | -32.5% |
 Germany | £10.5m | 5.8% | -5.2% |
 Norway | £10.4m | 5.8% | +15.7% |
 Italy | £8.6m | 4.8% | +65.3% |
 France | £8.4m | 4.7% | +278.8% |
Same subheading in other tariffs
8431.43 Parts for boring or sinking machinery of subheading 843041 or 843049
EU Free Third-country duty 1 tariff line 
Türkiye Free Third-country duty 1 tariff line USA Free General (MFN) 2 tariff lines 
Canada Free Third-country duty 2 tariff lines 
Mexico Free Third-country duty 2 tariff lines 
Brazil 7.2% – 20% Third-country duty 2 tariff lines · average 13.6% 
Argentina Free – 12.6% Third-country duty 2 tariff lines · average 6.3% 
Peru Free Third-country duty 2 tariff lines 
New Zealand Free – 5% Third-country duty 3 tariff lines · average 3.3% 
Japan Free Third-country duty 1 tariff line 
Taiwan Free Third-country duty 1 tariff line 
GCC 5% Third-country duty 2 tariff lines 
Switzerland Free Third-country duty 1 tariff line Norway Free Third-country duty 1 tariff line 
North Macedonia Free Third-country duty 1 tariff line 
Nigeria 5% Third-country duty 1 tariff line UK lines: 8431.43
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.
- H319171 U.S. CBP
Application for Further Review of Protest No. 3029-21-100294; Classification of Stop Collars and Centralizers from the United Kingdom
- N334924 U.S. CBP
The tariff classification, country of origin, and United States-Mexico-Canada Agreement (USMCA) eligibility of wireline drill rods
- N302552 U.S. CBP
The tariff classification of High and Low Pressure Riser Assemblies from France
- N302590 U.S. CBP
The tariff classification of a tapered stress joint from the United Kingdom
- 600011966 HMRC
A hydraulically powered earth drill, which is an attachment part for construction equipment. The construction equipment itself is used for excavation of earth and for laying tubular foundations and pillars. The earth drill is made of steel and it has a linkage system, a hood assembly housing, a…
7 rulings in total for this code
Legal notes
In the UK Global Tariff, 8431 43 00 90 is one of 2 lines under subheading 8431.43, parts for boring or sinking machinery of subheading 843041 or 843049.
The third-country duty is free.
Goods from 174 countries can enter the UK at a preferential rate instead of the standard Free; 174 of them pay no duty at all, for example under DCTS Comprehensive or European Union.
In the UK, additional duty of 35% applies on top of the customs duty to goods from Belarus and Russia.
In the 12 months to August 2026, the UK imported boring and drilling machinery parts (HS 8431.43) worth £179.9m (down 1% on the year before), at an average of £15.83 per kg; United States supplied 25%, followed by China.
For the same subheading, the EU duty is free, the Türkiye duty is free, the US duty is free, the Canada duty is free, the Mexico duty is free, the Brazil duty is 7.2%–20%, the Argentina duty is 0%–12.6%, the Peru duty is free, the New Zealand duty is 0%–5%, the Japan duty is free, the Taiwan duty is free, the GCC duty is 5%, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is free and the Nigeria duty is 5%.
The UK imported goods of subheading 8431.43 worth US$232m in 2024; the largest supplier was the United States.
Questions and answers
What is the UK import duty for commodity code 8431 43 00 90?
The third-country duty in the UK Global Tariff is free. Preferential rates for goods from agreement countries, anti-dumping duties and VAT are not included.
Which countries get a lower rate on 8431 43 00 90?
174 countries have a preferential rate on this line, 174 of them at 0%, under DCTS Comprehensive, European Union and DCTS Enhanced and other arrangements. The rate applies only to goods that meet the rules of origin of the agreement, with proof of origin. Choose the country of origin on this page to see its rate.
Do anti-dumping or other extra duties apply to 8431 43 00 90?
Additional duty of 35% on goods from Belarus and Russia. These are charged on top of the customs duty.
Where does the UK import these goods from?
For subheading 8431.43 as a whole, the largest supplier in 2024 was the United States (US$78m), followed by China.