Subheading · Chapter 73 · Heading 7318

7318.21

7318.21: Spring washers and other lock washers

Subheading 7318.21 belongs to heading 7318 (screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins…) in chapter 73.

What you pay

Importing into UK

Customs duty Free standard rate · across 6 national lines depends on the country of origin
Additional duties and charges 3 additional measures Import requirements: 3
VAT 20.00 % import VAT
Duty calculatorCalculate duty and taxes →

Rates by national line · UK Global Tariff

UK lines →
  1. 7318 21 00 00 Spring washers and other lock washers Free
  2. For use in certain types of aircraft Free
  3. 7318 21 00 21 Of stainless steel Free
  4. Other Free
  5. 7318 21 00 31 Consigned from Malaysia Free
  6. 7318 21 00 39 Other Free
  7. Other Free
  8. 7318 21 00 91 Of stainless steel Free
  9. Other Free
  10. 7318 21 00 95 Consigned from Malaysia Free
  11. 7318 21 00 98 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 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
  • 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)
    Tariff lines
    on 3 of 6 lines

Import requirements 3

  • 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
    Belarus, Russia, Ukraine
    Legal act
    2022 No. 748, S.I. 2019/855, S.I. 2022/395
    Documents
    • 9024
    • 9011
    • 9022
    • 9038
    • 9063
    • 9009
    • 9010
    • 9017
  • Import controlImport control on restricted goods and technologies
    Applies to goods from
    Iran
    Legal act
    S.I. 2019/461
    Documents
    • Y966 Goods other than those described in the MG footnotes linked to the measure (Missile Technology Control Regime list - Annex III of Reg. (EU) 267/2012)

Preferential rates by country

Agreement or schemeCountriesRate
standard rate (no agreement)—Free
DCTS Comprehensive
Afghanistan, Angola, Bangladesh, Benin and 37 more

Afghanistan, Angola, Bangladesh, Benin, Bhutan, Burkina Faso, Burundi, Cambodia, Central African Republic, Chad, 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")
Austria, Belgium, Bulgaria, Croatia and 23 more

Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden

Free
DCTS Enhanced
Algeria, Bolivia, Cape Verde, Congo - Brazzaville and 13 more

Algeria, 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 more

Antigua & 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 more

Anguilla, 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 Comoros, 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

last 12 months£18.5m+2.5% · previous 12 months
Average import price£5.59 per kg
Jan 2024: £1.4mFeb 2024: £1.4mMar 2024: £1.2mApr 2024: £1.5mMay 2024: £1.2mJun 2024: £1.5mJul 2024: £1.5mAug 2024: £1.2mSept 2024: £2mOct 2024: £1.5mNov 2024: £1.4mDec 2024: £1.1mJan 2025: £1.5mFeb 2025: £1.6mMar 2025: £1.7mApr 2025: £1.4mMay 2025: £1.4mJun 2025: £1.3mJul 2025: £1.8mAug 2025: £1.2mSept 2025: £1.3mOct 2025: £1.3mNov 2025: £1.3mDec 2025: £1.2mJan 2026: £1.4mFeb 2026: £1.7mMar 2026: £1.5mApr 2026: £2.2mMay 2026: £1.5mJun 2026: £1.6mJul 2026: £1.7mAug 2026: £1.9m 202420252026
Data up to August 2026 (provisional) · Monthly data: Eurostat Comext (CC BY 4.0), HMRC (OGL v3.0)

Main suppliers, last 12 months

CountryValueShareChange
Germany £4m 21.7% +11.7%
United States £3.9m 20.9% +8.1%
China £2.5m 13.5% -11.6%
Sweden £2.4m 12.8% -6.4%
Italy £1.2m 6.5% +91.2%
Ireland £1.1m 6.1% +41.5%
France £809k 4.4% -16.9%
India £593k 3.2% +57.4%

Same subheading in other tariffs

World trade in 2024

7318.21 · US$910.8m

Trade value (US$) no reported trade < US$18.4kUS$18.4k+US$1m+US$12m+> US$58.4m

Exports: 169
  1. Germany: US$235.4m
  2. China: US$109.1m
  3. United States: US$107.9m
  4. Sweden: US$75.7m
  5. Italy: US$58.4m
  6. Japan: US$37.6m
  7. France: US$33.6m
  8. Spain: US$27.5m
  9. Türkiye: US$24.7m
  10. United Kingdom: US$20.1m
  11. Taiwan: US$17.8m
  12. India: US$13.4m
  13. Netherlands: US$13.1m
  14. Belgium: US$12.3m
  15. Switzerland: US$12m
  16. Austria: US$11.8m
  17. Poland: US$11.2m
  18. Czechia: US$10.6m
  19. South Korea: US$9.4m
  20. Bosnia & Herzegovina: US$6.8m
  21. Canada: US$5.7m
  22. Mexico: US$5.5m
  23. Thailand: US$5.2m
  24. Slovakia: US$5.1m
  25. Malaysia: US$5.1m
  26. Denmark: US$3.2m
  27. Vietnam: US$3.1m
  28. Hungary: US$2.9m
  29. Brazil: US$2.5m
  30. Serbia: US$2.2m
  31. Singapore: US$2.1m
  32. Romania: US$1.9m
  33. Ireland: US$1.9m
  34. Finland: US$1.5m
  35. Russia: US$1.4m
  36. Norway: US$1.3m
  37. South Africa: US$1m
  38. Hong Kong SAR China: US$1m
  39. Slovenia: US$823.3k
  40. Australia: US$776.1k
  41. Portugal: US$680.8k
  42. Indonesia: US$612.8k
  43. Kazakhstan: US$606.3k
  44. Lithuania: US$573.3k
  45. Saudi Arabia: US$533.4k
  46. Bulgaria: US$447.1k
  47. Chile: US$433.5k
  48. United Arab Emirates: US$388.3k
  49. Luxembourg: US$363k
  50. Latvia: US$351.3k
  51. Israel: US$319.7k
  52. Ukraine: US$294.8k
  53. Pakistan: US$279.5k
  54. Croatia: US$279.4k
  55. Philippines: US$172.8k
  56. Estonia: US$143.2k
  57. New Zealand: US$140.6k
  58. North Macedonia: US$130.5k
  59. Argentina: US$117.8k
  60. Azerbaijan: US$116k

Top exporters

RankCountryValueShare
1 Germany US$235.4m 25.8%
2 China US$109.1m 12%
3 United States US$107.9m 11.8%
4 Sweden US$75.7m 8.3%
5 Italy US$58.4m 6.4%
6 Japan US$37.6m 4.1%
7 France US$33.6m 3.7%
8 Spain US$27.5m 3%
9 Türkiye US$24.7m 2.7%
10 United Kingdom US$20.1m 2.2%

Top importers

RankCountryValueShare
1 United States US$93.3m 10.2%
2 Germany US$81.1m 8.9%
3 Mexico US$68.5m 7.5%
4 China US$58.5m 6.4%
5 France US$42.4m 4.7%
6 Austria US$34.6m 3.8%
7 Poland US$33.8m 3.7%
8 Italy US$29.3m 3.2%
9 Canada US$22.7m 2.5%
10 United Kingdom US$22.3m 2.4%

Binding rulings for similar goods 5

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.

  • N357786 U.S. CBP 3 February 2026 · 7318.21.00.90

    The tariff classification of a stainless-steel washer from Germany

  • H326279 U.S. CBP 5 June 2025 · 7318.21.00

    Protest and Application for Further Review No 4501-21-103251; Classification of Educational Robot Kit Parts

  • N289058 U.S. CBP 28 August 2017 · 7318.21.00.90

    The tariff classification of washers, a stud and drain plug washers from Taiwan.

  • H249811 U.S. CBP 12 September 2016 · 7318.21.00

    Revocation of NY N050746; Tariff classification of spare parts/repair kit

  • 600012855 HMRC 30 April 2025 – 29 April 2028 · 7318 21 00

    A mild steel captive nut/spring. A captive 'u' or 'spire' nut/clip/spring that provides a simple solution to the problem of using machine or self-tapping screws in otherwise unsuitable thin sheet materials, such as sheet metal, fibreboard, hardboard, moulded plastics etc. The washer does have a…

Recent rule changes mentioning this code

Acts whose text cites this code or its heading. Check the act itself: a code can be cited for reasons other than a change of its duty.

  1. EU Classification · Applies from:

    Commission Implementing Regulation (EU) 2026/1874 of 23 July 2026 concerning the classification of certain goods in the Combined Nomenclature

    CELEX 32026R1874 · Source: eur-lex.europa.eu

  2. EU Anti-dumping · Applies from:

    Commission Implementing Regulation (EU) 2026/1788 of 23 July 2026 amending Implementing Regulation (EU) 2022/191 imposing a definitive anti-dumping duty on imports of certain iron or steel fasteners originating in the People’s Republic of China

    CELEX 32026R1788 · Source: eur-lex.europa.eu

  3. GB Other

    Update to VAT Z Coverage on Aircraft and Aircraft Parts – 19 May 2026

    Trade Tariff news 6334 · Source: trade-tariff.service.gov.uk

  4. EU Sanctions · Applies from:

    Council Regulation (EU) 2026/513 of 23 April 2026 amending Regulation (EC) No 765/2006 concerning restrictive measures in view of the situation in Belarus and the involvement of Belarus in the Russian aggression against Ukraine

    CELEX 32026R0513 · Source: eur-lex.europa.eu

Rule changes →

The UK Global Tariff divides subheading 7318.21 into 6 tariff lines; the duty is duty-free.

Subheading 7318.21 is a single line in the EU Combined Nomenclature, where the duty is 3.7%.

174 countries pay no duty in the UK thanks to trade agreements and preference schemes such as DCTS Comprehensive and European Union, against a standard rate of Free.

In the UK, additional duty of 35% applies on top of the customs duty to goods from Belarus and Russia.

Imports of these goods into the UK came to £18.5m between September 2025 and August 2026 (up 3% on the year before); Germany supplied 22%, followed by United States.

In 2024, countries exported these goods worth US$910.8m (−2.2% year on year).

The largest exporter was Germany (US$235.4m), followed by China.

Products classified here

Questions and answers

What is the HS code for spring washers and other lock washers?

Spring washers and other lock washers fall under HS subheading 7318.21, part of heading 7318, in section XV of the Harmonized System.

What is the import duty on spring washers and other lock washers in the UK?

Under the UK Global Tariff, imports under 7318.21 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 spring washers and other lock washers in the EU?

Under the EU Combined Nomenclature, imports under 7318.21 from countries without a preferential agreement are charged at 3.7%. Preferential rates, anti-dumping duties and VAT are not included.

Which country exports the most spring washers and other lock washers?

Germany, with US$235.4m in 2024 (25.8% of world exports).

Which countries can export these goods 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 these goods?

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 these goods from?

In the 12 months to August 2026, the largest suppliers were Germany (22%), United States (21%) and China (14%), out of total imports of £18.5m.