Singapore HS Code

HS Code 73181610: Nuts of iron or steel : For bolts having a shank of an external diameter not exceeding 16 mm in Singapore

Q: Is HS code 73181610 the same across all countries?

Only the first 6 digits of HS code 73181610 are internationally harmonized. The remaining digits are added by Singapore under STCCED / HS-SG and are not directly comparable to other countries' codes.

Q: What system does Singapore use to classify HS code 73181610?

Singapore classifies products under the Singapore Trade Classification, Customs & Excise Duties 2022 (STCCED / HS-SG; locally STCCED 2022), which extends HS codes to 8 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 73181610 in Singapore?

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

What is HS Code 73181610 in Singapore

Under Singapore's Singapore Trade Classification, Customs & Excise Duties 2022 (STCCED 2022), HS Code 73181610 is classified as Nuts of iron or steel : For bolts having a shank of an external diameter not exceeding 16 mm. Singapore's tariff system extends the WCO Harmonized System to 8 digits with national subdivisions. 73181610 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 Singapore import export trade data and shipment records for HS Code Steel Nuts on TradeInt global trade data platform

Classification Path of HS Code 73181610 in Singapore

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 73181610

Nuts of iron or steel : For bolts having a shank of an external diameter not exceeding 16 mm

Singapore Tariff Classification: Singapore Trade Classification, Customs & Excise Duties 2022 (STCCED / HS-SG)

In Singapore, HS 73181610 is classified under the Singapore Trade Classification, Customs & Excise Duties 2022 (STCCED 2022) — a 8-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule Singapore Trade Classification, Customs & Excise Duties 2022 (STCCED / HS-SG)

Local name STCCED 2022

Digits 8

Official source https://www.customs.gov.sg/

You know what 73181610 means. Now see 2026 latest real trade activity for Steel Nuts in Singapore.

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

Search 2026 Latest Singapore Import Data Search 2026 Latest Singapore Export Data

Top Trading Product of HS Code 7318

Top Singapore import Product Under HS Code 7318

1 731815: Threaded articles : Other screws and bolts, whether or not with their nuts or washers $227.5M 2 731816: Threaded articles : Nuts $75.7M 3 731819: Threaded articles : Other $69.4M

Figures shown for 2025.

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

Top Singapore export Product Under HS Code 7318

1 731815: Threaded articles : Other screws and bolts, whether or not with their nuts or washers $194.7M 2 731819: Threaded articles : Other $61.5M 3 731829: Nonthreaded articles : Other $48.3M

Figures shown for 2025.

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

Related HS Code to Singapore Steel Nuts (73181610)

HS Code 73181690

Nuts of iron or steel : Other

HS Code 731811

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

HS Code 731812

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

HS Code 731813

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

HS Code 731814

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

HS Code 731815

Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel : Threaded articles : Other screws and bolts, whether or not with their nuts or washers

HS Code 731819

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

HS Code 731821

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

HS Code 731822

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

HS Code 731823

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

73181610 in Other Countries

See how 73181610 (Steel Nuts) is classified across other countries, each with its own national code and local description.

Compare 73181610 across countries

Frequently Asked Questions

What is HS code 73181610 in Singapore?

HS code 73181610 covers Nuts of iron or steel : For bolts having a shank of an external diameter not exceeding 16 mm in Singapore. It sits in Chapter 73 (Articles of iron or steel), Heading 7318 of the Harmonized System, and is classified under STCCED / HS-SG.

Is HS code 73181610 the same across all countries?

What system does Singapore use to classify HS code 73181610?

Where can I officially look up HS code 73181610 in Singapore?