Canada HS Code

HS Code 731816: Threaded articles : Nuts in Canada

Q: Is HS code 731816 the same across all countries?

Yes — up to the 6-digit level, HS code 731816 is the same in every WCO member country. Beyond 6 digits, each country extends the code for national tariff and statistical use. Canada extends it under Canada HS.

Q: What system does Canada use to classify HS code 731816?

Canada classifies products under the Customs Tariff of Canada (Canada HS; locally Tarif des douanes du Canada), 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 731816 in Canada?

The official source is https://www.cbsa-asfc.gc.ca/. For faster cross-country lookups, TradeInt's HS Code Tool consolidates classifications across all major countries in one place.

What is HS Code 731816 in Canada

Under Canada's Customs Tariff of Canada (Tarif des douanes du Canada), HS Code 731816 is the WCO Harmonized System subheading for Threaded articles : Nuts. This is the most detailed internationally standardized level; Canada extends classifications to 10 digits under its national tariff system. 731816 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 Canada import export trade data and shipment records for HS Code Steel Nuts on TradeInt global trade data platform

Classification Path of HS Code 731816 in Canada

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 731816

Threaded articles : Nuts

HS Code 7318160010

Nuts, lock, threaded, of iron or steel Écrous, de blocage, filetés, fer ou acier

HS Code 7318160020

Nuts, stop, of iron or steel, threaded Écrous d'arrêt, filetés, en fer ou acier

HS Code 7318160030

Nuts, wing, of iron or steel, threaded Écrous à oreilles, filetés, en fer ou acier

HS Code 7318160090

Nuts, o/t lock, nes, threaded, of iron or steel Écrous, a/q de blocage, nda, filetés, fer ou acier

Canada Tariff Classification: Customs Tariff of Canada (Canada HS)

In Canada, HS 731816 is classified under the Customs Tariff of Canada (Tarif des douanes du Canada) — a 10-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule Customs Tariff of Canada (Canada HS)

Local name Tarif des douanes du Canada

Digits 10

Official source https://www.cbsa-asfc.gc.ca/

You know what 731816 means. Now see 2026 latest real trade activity for Steel Nuts in Canada.

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 Canada import Product Under HS Code 7318

1 731815: Threaded articles : Other screws and bolts, whether or not with their nuts or washers $1.3B 2 731816: Threaded articles : Nuts $571.7M 3 731829: Nonthreaded articles : Other $274.4M

Figures shown for 2025.

For more 2026 recent data, search for Canada import trade records

Top Canada export Product Under HS Code 7318

1 731815: Threaded articles : Other screws and bolts, whether or not with their nuts or washers $316.3M 2 731816: Threaded articles : Nuts $257.5M 3 731829: Nonthreaded articles : Other $90.8M

Figures shown for 2025.

For more 2026 recent data, search for Canada export trade records

Related HS Code to Canada Steel Nuts (731816)

HS Code 7318160010

Nuts, lock, threaded, of iron or steel

HS Code 7318160020

Nuts, stop, of iron or steel, threaded

HS Code 7318160030

Nuts, wing, of iron or steel, threaded

HS Code 7318160090

Nuts, o/t lock, nes, threaded, of iron or steel

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 731819

Threaded articles : Other

Frequently Asked Questions

What is HS code 731816 in Canada?

HS code 731816 covers Threaded articles : Nuts in Canada. It sits in Chapter 73 (Articles of iron or steel), Heading 7318 of the Harmonized System, and is classified under Canada HS.

Is HS code 731816 the same across all countries?

What system does Canada use to classify HS code 731816?

Where can I officially look up HS code 731816 in Canada?