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HTSUS USA Import Duty Free
HTSUS Code
7318.15.40.00

HTSUS 7318.15.40.00 — Machine screws 9.5 mm or more in length and 3.2 mm or more in diameter (not including cap screws)

Chapter 73 Heading 7318

Duty Rates

General (Col 1)
Free
Special (FTA)
—
Column 2 (Non-NTR)
2.2¢/kg

Export counterparts at HS-6

HS-6 bridge: 731815. Use this to move from import tariff classification to the related US export codes.

Open HS crosswalk
7318152000

BOLTS W/WO THEIR NUTS O WSHRS, OF IRON OR STEEL

 7318155000

STUDS OF IRON OR STEEL, THREADED

 7318159000

THREADED FASTENERS NESOI OF IRON OR STEEL

Unit of Quantity

[kg]

Official data

Feature Description
Official name Harmonized Tariff Schedule of the United States (HTSUS)
Maintained by U.S. International Trade Commission (USITC)
Purpose Classifies imported goods and applies U.S. tariff treatment
Primary use Customs entry, duty calculation, tariff compliance, import planning
HS-6 root 731815

When do you need HTSUS 7318.15.40.00?

1 Use HTSUS 7318.15.40.00 when entering imported goods into the United States.
2 Use it when calculating duty rates, special program eligibility, or quota treatment for imports.
3 Use it when matching an import tariff line to the related Schedule B export family at HS-6.
4 Use it when customs brokers, trade counsel, or compliance teams need the exact tariff classification.