Base
HTS 7318Chapter 73

HTS 7318Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel: Duty Rate & Import Guide

Articles of Iron or Steel · $482.4M monthly imports · 100% from 1 countries · Updated daily from USITC

Duty Rates

General

Free

Special

Free

Column 2

Free

Trade Agreement Eligibility

CUSMAKORUS

Trade Intelligence

Monthly Imports

$482.4M

2026-01

Trade Concentration

100%

from top 3 of 1 origins

Regulatory Pressure

LOW

1 rulings — · 0 reg · 0 cases

Global Rates

🇺🇸 Free

🇬🇧 United Kingdom: N/A · 🇪🇺 European Union: N/A · 🇨🇦 Canada: N/A · 🇧🇷 Brazil: N/A

Compare All →

Data compiled from USITC HTS, US Census Bureau, CBP CROSS Rulings · As of 2026-04-28 · Updates monthly

Supply Chain Risk

100% of US imports for this code come from just 1 countries. High origin concentration increases exposure to trade disruptions or tariff escalations.

High-Volume Code

This is a high-volume import code — $482M in monthly US imports. Duty rate changes or trade remedy actions on this code have significant economic impact.

Trade Remedy

Additional Tariffs Apply

Section 232 — Steel & Aluminum Tariffs+25%

Iron and steel articles

Active — 25% on steel, 25% on aluminum (aluminum raised from 10% to 25% effective March 12, 2025)

Effective 2018-03-23

These additional tariffs apply on top of the general duty rate. View full trade remedy tracker →

Subheadings (59)

CodeDescriptionRate
7318.11.00.00Coach screws12.5%
7318.12.00.00Other wood screws12.5%
7318.13.00Screw hooks and screw rings5.7%
7318.13.00.30Having shanks or threads with a diameter of less than <il>6 mm</il>
7318.13.00.60Having shanks or threads with a diameter of <il>6 mm</il> or more
7318.14Self-tapping screws:
7318.14.10Having shanks or threads with a diameter of less than <il>6 mm</il>6.2%
7318.14.10.30Of stainless steel
7318.14.10.60Other
7318.14.50Having shanks or threads with a diameter of <il>6 mm</il> or more8.6%
7318.14.50.20Of stainless steel
7318.14.50.80Other
7318.15Other screws and bolts, whether or not with their nuts or washers:
7318.15.20Bolts and bolts and their nuts or washers entered or exported in the same shipmentFree
7318.15.20.10Having shanks or threads with a diameter of less than <il>6 mm</il>
7318.15.20.20Track bolts
7318.15.20.30Structural bolts
7318.15.20.41Right-angle anchor bolts
7318.15.20.46Other
7318.15.20.51Of stainless steel
7318.15.20.55Other
7318.15.20.61Of stainless steel
7318.15.20.65Other
7318.15.20.91Of stainless steel
7318.15.20.95Other
7318.15.40.00Machine screws <il>9.5 mm</il> or more in length and <il>3.2 mm</il> or more in diameter (not including cap screws)Free
7318.15.50StudsFree
7318.15.50.30Of stainless steel
7318.15.50.51Of alloy steel
7318.15.50.56Other
7318.15.50.90Other
7318.15.60Having shanks or threads with a diameter of less than <il>6 mm</il>6.2%
7318.15.60.10Of stainless steel
7318.15.60.40Other
7318.15.60.70Of stainless steel
7318.15.60.80Other
7318.15.80Having shanks or threads with a diameter of <il>6 mm</il> or more8.5%
7318.15.80.20Set screws
7318.15.80.30Of stainless steel
7318.15.80.45Other
7318.15.80.55Of stainless steel
7318.15.80.66Cap screws
7318.15.80.69Other
7318.15.80.82Of stainless steel
7318.15.80.85Other
7318.16.00NutsFree
7318.16.00.15Non-locking chrome-plated
7318.16.00.30Locking
7318.16.00.45Other
7318.16.00.60Of stainless steel
7318.16.00.85Other
7318.19.00.00Other5.7%
7318.21.00Spring washers and other lock washers5.8%
7318.21.00.30Helical spring lock washers
7318.21.00.90Other
7318.22.00.00Other washersFree
7318.23.00.00RivetsFree
7318.24.00.00Cotters and cotter pins3.8%
7318.29.00.00Other2.8%

CBP Rulings (1)

959641Classification

Reconsideration of NY A84139; Castings; C-Clamps; Rolls;Ceiling Flanges; Split Pipe or Tubing Clamps; Hex-Nut Brackets; Explanatory Notes73.25 and 73.26

Matching Export Code (Schedule B)

7318110000Schedule B

COACH SCREWS, THREADED, OF IRON OR STEEL

Census Bureau export classification matching this HTS import code.

7315.90.00.007318.11.00.00