HS Code for Safety Harness Hardware
The HS Code for safety harness hardware is 731816. The MFN duty rate for importing to the US is 5.7%.
| HS Code (6-digit) | 731816 |
|---|---|
| US Duty Rate (MFN) | 5.7% |
| EU Duty Rate (MFN) | 3.7% |
| Chapter | 73 |
| Heading | 7318 |
| Last Updated | 2026-05 |
Description
Nuts of iron or steel
This HTS code classifies nuts made of iron or steel, specifically designed for use in safety harness hardware, with a US duty rate of 5.7%.
Frequently Asked Questions
What is the current Section 232 tariff status for steel nuts (HTS 731816) imported into the United States?
Under the U.S. Section 232 tariffs, imports of steel nuts classified under HTS 731816.00 are subject to a 25% ad valorem tariff, regardless of country of origin. This is separate from any antidumping or countervailing duties and applies in addition to the general column 1 duty rate.
For HTS 731816 nuts, does the specific type of steel or iron alloy affect the tariff classification?
No, for nuts classified under HTS 7318.16, the specific alloy (e.g., carbon steel, stainless steel, alloy steel) or grade of iron/steel does not change the classification. The heading is based on the product's function as a threaded nut, not its material composition, provided it is made of iron or steel as defined in Chapter 72 Note 1(e-f).
Alternative Classifications for Fasteners and Related Items
Safety harness hardware is sometimes incorrectly classified under HTS 7318.21 as 'Other screw hooks and screw rings' or HTS 7326.90 as 'Other articles of iron or steel,' which is a broader basket category. However, heading 7318 specifically covers 'Screws, bolts, nuts... and similar articles,' and its legal notes require the item to be threaded. Non-threaded hardware, like most D-rings, buckles, and snap hooks, is excluded. For such non-threaded components, consider HTS 8308.10 ('Hooks, eyes... of base metal') or 8308.90 ('Clasps... of base metal'), which are more appropriate for fastening and securing functions.
Related HS Codes
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