Code 7318 21 · Heading 7318

Spring washers and lock washers of iron or steel

This code covers spring washers and lock washers made of iron or steel. It is for these spring-type washers, rather than ordinary non-spring washers.

For example

Iron or steel spring washer
Iron or steel lock washer

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See the official tariff text

Official tariff text

Spring washers and other lock washers, of iron or steel

The path to this code

Every code is reached through these choices, one level at a time.

Step 4 of 4

Step 1 · Section XV Base metals and articles of base metal
Is it iron or steel; an article made of iron or steel; copper or an article made of copper; nickel or an article made of nickel; aluminium or an article made of aluminium; lead or an article made of lead; zinc or an article made of zinc; tin or an article made of tin; another base metal, sintered metal or cermet, or an article made from one of these; a base-metal tool, implement, knife, spoon or fork, or a part thereof; or another miscellaneous article made of base metal?
✓
Step 2 · Chapter 73 Articles of iron or steel 2 of 11 chapters in section XV
Which named product group best describes the iron or steel item—for example, a pipe, structure, container, chain, household item or fastener?
✓
Step 3 · Heading 7318 Screws, bolts, nuts, coach screws, screw hooks, riv… 18 of 26 headings under chapter 73
Which type of iron or steel fastening item is it: a sleeper screw, wood screw, screw hook or eye screw, self-tapping screw, threaded screw or bolt, nut, another threaded fastener, spring washer or lock washer, other washer, rivet, pin or wedge, or another non-threaded fastener?
✓
Step 4 · Subheading 7318 21 Spring washers and other lock washers, of iron or s… 8 of 12 subheadings under heading 7318
Is it a spring washer or lock washer made of iron or steel?

Full 8-digit codes

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1 code below this one

7318 21 00 Spring washers and other lock washers, of iron or steel 3.7% Save

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Export to Norway

What Norwegian customs charges when goods like these are imported into Norway.

73.18.2100

Spring washers and other lock washers

Ordinary duty

Duty free

Goods of EU origin

Duty free You need documentation of EU origin to use this rate.

Norwegian tariff data version 1.5/1.2, last checked Aug. 9, 2026.

Contains data from Norwegian Customs (data.toll.no), licensed under CC BY 4.0, adapted for display.

Export to the United Kingdom

What UK customs charges when goods like these are imported into the UK.

All 6 UK lines under this code

They all have the same duty rates shown here.

Ordinary duty

Duty free

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.

These rates apply in Great Britain. Different rules may apply for goods entering Northern Ireland.

UK tariff data version v4.0.1576, last checked Aug. 9, 2026.

Contains public sector information licensed under the Open Government Licence v3.0.

Source: UK Department for Business and Trade (data.api.trade.gov.uk).

Check the neighbouring codes

The codes just before and after this one, in case a nearby group fits better.

See all 12 codes at this level

Previous code 7318 19

Threaded articles, of iron or steel, n.e.s.

you are here 7318 21

Spring washers and other lock washers, of iron or steel

Next code 7318 22

Washers of iron or steel (excl. spring washers and other lock washers)

Duty rates shown here are estimates, read from official EU / Danish, Norwegian and UK tariff data for orientation only. Confirm the current rate with SKAT, TARIC, Norwegian Customs or the UK Online Trade Tariff before you file. The rate you pay can also depend on the country of origin. These are base customs duties only: import VAT, excise duties, anti-dumping duties and safeguard or quota measures are not included.