United Kingdom HS Code

HS Code 731821: Iron or steel; non-threaded spring washers and other lock washers in United Kingdom

Q: Is HS code 731821 the same across all countries?

Yes — up to the 6-digit level, HS code 731821 is the same in every WCO member country. Beyond 6 digits, each country extends the code for national tariff and statistical use. United Kingdom extends it under UKGT.

Q: What system does United Kingdom use to classify HS code 731821?

United Kingdom classifies products under the UK Integrated Online Tariff (UKGT; locally UK Integrated Tariff), which extends HS codes to 10 digits. The first 6 digits align with the WCO Harmonized System, and the rest cover national tariff and statistical needs.

Q: Where can I officially look up HS code 731821 in United Kingdom?

The official source is https://www.gov.uk/government/organisations/hm-revenue-customs. For faster cross-country lookups, TradeInt's HS Code Tool consolidates classifications across all major countries in one place.

What is HS Code 731821 in United Kingdom

Under United Kingdom's UK Integrated Online Tariff (UK Integrated Tariff), HS Code 731821 is the WCO Harmonized System subheading for Iron or steel; non-threaded spring washers and other lock washers. This is the most detailed internationally standardized level; United Kingdom extends classifications to 10 digits under its national tariff system. 731821 belongs to Section XV: Base metals and articles of base metal, Chapter 73: Articles of iron or steel, Heading 7318: Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pins, washers (including spring washers) and similar articles, of iron or steel.

Explore more 2026 Latest United Kingdom import export trade data and shipment records for HS Code Spring and Lock Washers on TradeInt global trade data platform

Classification Path of HS Code 731821 in United Kingdom

Section XV

Chapters (72-83) Base metals and articles of base metal

Chapter 73

Articles of iron or steel

HS Code 7318

Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pins, washers (including spring washers) and similar articles, of iron or steel

HS Code 731821

Iron or steel; non-threaded spring washers and other lock washers

United Kingdom Tariff Classification: UK Integrated Online Tariff (UKGT)

In United Kingdom, HS 731821 is classified under the UK Integrated Online Tariff (UK Integrated Tariff) — a 10-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule UK Integrated Online Tariff (UKGT)

Local name UK Integrated Tariff

Digits 10

Official source https://www.gov.uk/government/organisations/hm-revenue-customs

You know what 731821 means. Now see 2026 latest real trade activity for Spring and Lock Washers in United Kingdom.

Buyers, suppliers, origin and destination countries, shipment dates, and quantities direct from customs records.

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Top Trading Product of HS Code 7318

Top United Kingdom import Product Under HS Code 7318

1 731815: Iron or steel; threaded screws and bolts n.e.c. in item no. 7318.1, whether or not with their nuts or washers $627.9M 2 731816: Iron or steel; threaded nuts $234.3M 3 731819: Iron or steel; threaded screws, bolts and nuts n.e.c. in item no. 7318.1 $153.5M

Figures shown for 2025.

For more 2026 recent data, search for United Kingdom import trade records

Top United Kingdom export Product Under HS Code 7318

1 731815: Iron or steel; threaded screws and bolts n.e.c. in item no. 7318.1, whether or not with their nuts or washers $513.1M 2 731816: Iron or steel; threaded nuts $205.5M 3 731829: Iron or steel; non-threaded articles, n.e.c. in item no. 7318.2 $188.6M

Figures shown for 2025.

For more 2026 recent data, search for United Kingdom export trade records

Related HS Code to United Kingdom Spring and Lock Washers (731821)

HS Code 731811

Iron or steel; threaded coach screws

HS Code 731812

Iron or steel; threaded wood screws other than coach screws

HS Code 731813

Iron or steel; threaded screw hooks and screw rings

HS Code 731814

Iron or steel; threaded self-tapping screws

HS Code 731815

Iron or steel; threaded screws and bolts n.e.c. in item no. 7318.1, whether or not with their nuts or washers

HS Code 731816

Iron or steel; threaded nuts

HS Code 731819

Iron or steel; threaded screws, bolts and nuts n.e.c. in item no. 7318.1

HS Code 731822

Iron or steel; non-threaded washers, excluding spring and lock

HS Code 731823

Iron or steel; non-threaded rivets

HS Code 731824

Iron or steel; non-threaded cotters and cotter-pins

Frequently Asked Questions

What is HS code 731821 in United Kingdom?

HS code 731821 covers Iron or steel; non-threaded spring washers and other lock washers in United Kingdom. It sits in Chapter 73 (Articles of iron or steel), Heading 7318 of the Harmonized System, and is classified under UKGT.

Is HS code 731821 the same across all countries?

What system does United Kingdom use to classify HS code 731821?

Where can I officially look up HS code 731821 in United Kingdom?