United States of America HS Code

HS Code 73181580: Having shanks or threads with a diameter of 6 mm or more in United States of America

Q: Is HS code 73181580 the same across all countries?

Only the first 6 digits of HS code 73181580 are internationally harmonized. The remaining digits are added by United States of America under HTS / HTSUS and are not directly comparable to other countries' codes.

Q: What system does United States of America use to classify HS code 73181580?

United States of America classifies products under the Harmonized Tariff Schedule of the United States (HTS / HTSUS; locally Harmonized Tariff Schedule), 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 73181580 in United States of America?

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

What is HS Code 73181580 in United States of America

Under United States of America's Harmonized Tariff Schedule of the United States (Harmonized Tariff Schedule), HS Code 73181580 is classified as Having shanks or threads with a diameter of 6 mm or more. United States of America's tariff system extends the WCO Harmonized System to 10 digits with national subdivisions. 73181580 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 States of America import export trade data and shipment records for HS Code Steel Bolts and Screws on TradeInt global trade data platform

Classification Path of HS Code 73181580 in United States of America

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 73181580

Having shanks or threads with a diameter of 6 mm or more

HS Code 7318158020

Set screws

HS Code 7318158030

Of stainless steel

HS Code 7318158045

Other

HS Code 7318158055

Of stainless steel

HS Code 7318158066

Cap screws

HS Code 7318158069

Other

HS Code 7318158082

Of stainless steel

HS Code 7318158085

Other

United States of America Tariff Classification: Harmonized Tariff Schedule of the United States (HTS / HTSUS)

In United States of America, HS 73181580 is classified under the Harmonized Tariff Schedule of the United States (Harmonized Tariff Schedule) — a 10-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule Harmonized Tariff Schedule of the United States (HTS / HTSUS)

Local name Harmonized Tariff Schedule

Digits 10

Official source https://www.cbp.gov/

You know what 73181580 means. Now see 2026 latest real trade activity for Steel Bolts and Screws in United States of America.

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

Search 2026 Latest United States of America Import Data Search 2026 Latest United States of America Export Data

Top Trading Product of HS Code 7318

Top United States of America import Product Under HS Code 7318

1 731815: Threaded articles : Other screws and bolts, whether or not with their nuts or washers $2.8B 2 731816: Threaded articles : Nuts $1.4B 3 731814: Threaded articles : Selftapping screws $1.1B

Figures shown for 2025.

For more 2026 recent data, search for United States of America import trade records

Top United States of America export Product Under HS Code 7318

1 731815: Threaded articles : Other screws and bolts, whether or not with their nuts or washers $2.5B 2 731816: Threaded articles : Nuts $1.2B 3 731829: Nonthreaded articles : Other $575.2M

Figures shown for 2025.

For more 2026 recent data, search for United States of America export trade records

Related HS Code to United States of America Steel Bolts and Screws (73181580)

HS Code 73181520

Bolts and bolts and their nuts or washers entered or exported in the same shipment

HS Code 7318152010

Having shanks or threads with a diameter of less than 6 mm

Right-angle anchor bolts

73181580 in Other Countries

See how 73181580 (Steel Bolts and Screws) is classified across other countries, each with its own national code and local description.

Compare 73181580 across countries

Frequently Asked Questions

What is HS code 73181580 in United States of America?

HS code 73181580 covers Having shanks or threads with a diameter of 6 mm or more in United States of America. It sits in Chapter 73 (Articles of iron or steel), Heading 7318 of the Harmonized System, and is classified under HTS / HTSUS.

Is HS code 73181580 the same across all countries?

What system does United States of America use to classify HS code 73181580?

Where can I officially look up HS code 73181580 in United States of America?