Korea, Republic of HS Code

HS Code 731821: Nonthreaded articles : Spring washers and other lock washers in Korea, Republic of

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. Korea, Republic of extends it under HSK.

Q: What system does Korea, Republic of use to classify HS code 731821?

Korea, Republic of classifies products under the Harmonized System of Korea (HSK; locally 관세·통계통합품목분류표), 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 Korea, Republic of?

The official source is https://www.customs.go.kr/english/. 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 Korea, Republic of

Under Korea, Republic of's Harmonized System of Korea (관세·통계통합품목분류표), HS Code 731821 is the WCO Harmonized System subheading for Nonthreaded articles : Spring washers and other lock washers. This is the most detailed internationally standardized level; Korea, Republic of 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 Korea, Republic of 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 Korea, Republic of

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

Nonthreaded articles : Spring washers and other lock washers

HS Code 7318210000

Spring washers and other lock washers 스프링 와셔(spring washer)와 그 밖의 록 와셔(lock washer)

Korea, Republic of Tariff Classification: Harmonized System of Korea (HSK)

In Korea, Republic of, HS 731821 is classified under the Harmonized System of Korea (관세·통계통합품목분류표) — a 10-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule Harmonized System of Korea (HSK)

Local name 관세·통계통합품목분류표

Digits 10

Official source https://www.customs.go.kr/english/

You know what 731821 means. Now see 2026 latest real trade activity for Spring and Lock Washers in Korea, Republic of.

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 Korea, Republic of import Product Under HS Code 7318

1 731815: Threaded articles : Other screws and bolts, whether or not with their nuts or washers $268.0M 2 731816: Threaded articles : Nuts $148.9M 3 731819: Threaded articles : Other $72.6M

Figures shown for 2025.

For more 2026 recent data, search for Korea, Republic of import trade records

Top Korea, Republic of export Product Under HS Code 7318

1 731815: Threaded articles : Other screws and bolts, whether or not with their nuts or washers $567.7M 2 731816: Threaded articles : Nuts $206.6M 3 731829: Nonthreaded articles : Other $67.8M

Figures shown for 2025.

For more 2026 recent data, search for Korea, Republic of export trade records

Related HS Code to Korea, Republic of Spring and Lock Washers (731821)

HS Code 7318210000

Spring washers and other lock washers

HS Code 731811

Threaded articles : Coach screws

HS Code 731812

Threaded articles : Other wood screws

HS Code 731813

Threaded articles : Screw hooks and screw rings

HS Code 731814

Threaded articles : Selftapping screws

HS Code 731815

Threaded articles : Other screws and bolts, whether or not with their nuts or washers

HS Code 731816

Threaded articles : Nuts

HS Code 731819

Threaded articles : Other

HS Code 731822

Nonthreaded articles : Other washers

HS Code 731823

Nonthreaded articles : Rivets

Frequently Asked Questions

What is HS code 731821 in Korea, Republic of?

HS code 731821 covers Nonthreaded articles : Spring washers and other lock washers in Korea, Republic of. It sits in Chapter 73 (Articles of iron or steel), Heading 7318 of the Harmonized System, and is classified under HSK.

Is HS code 731821 the same across all countries?

What system does Korea, Republic of use to classify HS code 731821?

Where can I officially look up HS code 731821 in Korea, Republic of?