Subheading · Chapter 84 · Heading 8431
8431.43: Parts for boring or sinking machinery of subheading 843041 or 843049
Boring and drilling machinery parts
8431.43 is the HS subheading for boring and drilling machinery parts, under heading 8431 in chapter 84.
What you pay
Importing into UK
Rates by national line · UK Global Tariff
UK lines →- 8431 43 00 00 Parts for boring or sinking machinery of subheading 8430 41 or 8430 49 Free
- 8431 43 00 11 Specific pre-assembled or ready-to assemble sections for new mobile cranes Free
- 8431 43 00 90 Other Free
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 |
UK: imports by month
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
EU
TürkiyeWorld trade in 2024
Trade value (US$) no reported trade < US$653kUS$653k+US$10m+US$107m+> US$396m
Exports: 177
- United States: US$2bn
- China: US$2bn
- United Arab Emirates: US$880m
- Singapore: US$610m
- Canada: US$499m
- United Kingdom: US$396m
- Sweden: US$395m
- Germany: US$347m
- Malaysia: US$309m
- India: US$264m
- Italy: US$233m
- Netherlands: US$208m
- Norway: US$204m
- Finland: US$199m
- Austria: US$191m
- Mexico: US$189m
- France: US$164m
- Oman: US$107m
- Saudi Arabia: US$107m
- Indonesia: US$100m
- South Africa: US$98m
- Australia: US$87m
- South Korea: US$73m
- Japan: US$69m
- Vietnam: US$67m
- Türkiye: US$64m
- Tunisia: US$59m
- Spain: US$52m
- Romania: US$50m
- Poland: US$47m
- Chile: US$36m
- Belgium: US$35m
- Ireland: US$32m
- Slovakia: US$32m
- Thailand: US$30m
- Estonia: US$29m
- Czechia: US$25m
- Denmark: US$25m
- Kuwait: US$16m
- Russia: US$15m
- Switzerland: US$12m
- Brazil: US$12m
- Argentina: US$12m
- Peru: US$10m
- Cyprus: US$9m
- Portugal: US$9m
- Bahrain: US$9m
- Hungary: US$9m
- Colombia: US$8m
- Slovenia: US$7m
- Hong Kong SAR China: US$7m
- Senegal: US$7m
- Taiwan: US$6m
- Kazakhstan: US$6m
- Côte d’Ivoire: US$6m
- Brunei: US$6m
- Azerbaijan: US$6m
- New Zealand: US$5m
- Angola: US$5m
- Lithuania: US$5m
Trade value (US$) no reported trade < US$6mUS$6m+US$33m+US$102m+> US$291m
Imports: 211
- Saudi Arabia: US$2bn
- United States: US$1bn
- Singapore: US$592m
- United Arab Emirates: US$508m
- Norway: US$410m
- Canada: US$349m
- Australia: US$291m
- Russia: US$287m
- Netherlands: US$256m
- United Kingdom: US$232m
- Malaysia: US$224m
- Kuwait: US$215m
- Indonesia: US$207m
- India: US$195m
- China: US$181m
- Mexico: US$172m
- Germany: US$161m
- Qatar: US$140m
- South Africa: US$129m
- Brazil: US$117m
- Oman: US$113m
- Türkiye: US$102m
- Argentina: US$95m
- Italy: US$94m
- Guyana: US$92m
- Chile: US$90m
- Sweden: US$89m
- Algeria: US$87m
- Kazakhstan: US$84m
- Iraq: US$81m
- Peru: US$77m
- France: US$75m
- Egypt: US$73m
- Hong Kong SAR China: US$72m
- Congo - Brazzaville: US$68m
- Libya: US$67m
- Trinidad & Tobago: US$67m
- Denmark: US$63m
- Japan: US$62m
- Finland: US$57m
- Angola: US$55m
- Spain: US$54m
- Colombia: US$50m
- Thailand: US$49m
- Ghana: US$47m
- Romania: US$46m
- Austria: US$46m
- Congo - Kinshasa: US$44m
- Vietnam: US$42m
- Poland: US$39m
- Turkmenistan: US$38m
- Belgium: US$37m
- Zambia: US$33m
- Philippines: US$33m
- South Korea: US$32m
- Nigeria: US$32m
- Switzerland: US$32m
- Tanzania: US$31m
- Bahrain: US$30m
- Ecuador: US$29m
Top exporters
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | United States | US$2bn | 19.3% |
| 2 | China | US$2bn | 18.5% |
| 3 |  United Arab Emirates | US$880m | 8.3% |
| 4 | Singapore | US$610m | 5.8% |
| 5 |  Canada | US$499m | 4.7% |
| 6 | United Kingdom | US$396m | 3.7% |
| 7 |  Sweden | US$395m | 3.7% |
| 8 | Germany | US$347m | 3.3% |
| 9 |  Malaysia | US$309m | 2.9% |
| 10 |  India | US$264m | 2.5% |
Top importers
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 |  Saudi Arabia | US$2bn | 14.6% |
| 2 | United States | US$1bn | 11.2% |
| 3 | Singapore | US$592m | 5.6% |
| 4 | United Arab Emirates | US$508m | 4.8% |
| 5 | Norway | US$410m | 3.9% |
| 6 | Canada | US$349m | 3.3% |
| 7 |  Australia | US$291m | 2.8% |
| 8 |  Russia | US$287m | 2.7% |
| 9 |  Netherlands | US$256m | 2.4% |
| 10 | United Kingdom | US$232m | 2.2% |
Binding rulings for similar goods 7
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
- N300606 U.S. CBP
The tariff classification of an agitator from an unspecified country
- N295526 U.S. CBP
The tariff classification of HDD Drill Pipes Fitted with Tool Joints from an unspecified country
- 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…
In the UK Global Tariff, subheading 8431.43 covers 2 tariff lines and the duty is duty-free.
The EU Combined Nomenclature has one tariff line for subheading 8431.43; the duty is duty-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 worth £179.9m (down 1% on the year before), at an average of £15.83 per kg; United States supplied 25%, followed by China.
World trade in boring and drilling machinery parts reached US$11bn in 2024, down 0.9% on 2023.
The United States was the largest exporter with 19.3% of the total, ahead of China.
Questions and answers
What is the HS code for parts for boring or sinking machinery of subheading 843041 or 843049?
Parts for boring or sinking machinery of subheading 843041 or 843049 fall under HS subheading 8431.43, part of heading 8431, in section XVI of the Harmonized System.
What is the import duty on parts for boring or sinking machinery of… in the UK?
Under the UK Global Tariff, imports under 8431.43 from countries without a preferential agreement are free of duty. Preferential rates, anti-dumping duties and VAT are not included.
What is the import duty on parts for boring or sinking machinery of… in the EU?
Under the EU Combined Nomenclature, imports under 8431.43 from countries without a preferential agreement are free of duty. Preferential rates, anti-dumping duties and VAT are not included.
Which country exports the most parts for boring or sinking machinery of…?
The United States, with US$2bn in 2024 (19.3% of world exports).
Which countries can export boring and drilling machinery parts to the UK duty-free?
174 countries pay no duty under a trade agreement or preference scheme, among them partners under DCTS Comprehensive, European Union, DCTS Enhanced. The goods must meet the agreement’s rules of origin and the importer needs proof of origin; otherwise the standard rate of Free applies. Pick a country above to see its rate.
Is there anti-dumping duty on boring and drilling machinery parts?
The UK charges additional duty of 35% on goods from Belarus and Russia. Lower rates apply to the named exporters listed in the measure.
Where does the UK import boring and drilling machinery parts from?
In the 12 months to August 2026, the largest suppliers were United States (25%), China (11%) and United Kingdom (10%), out of total imports of £179.9m.