What is HS code 731816?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
HS-6 · Subheading
731816
Iron or steel; threaded nuts
Heading 7318 — Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pins, washers (including spring washers) and similar articles, of iron or steel
Chapter 73: Articles of iron or steel
Plain-language overview
Use HS-6 731816 when importing or exporting threaded nuts made of iron or steel. For instance, if you're shipping a box of hex nuts used in machinery assembly, this code applies.
Threaded nuts classified under this code are specifically designed for fastening applications, often used with bolts or screws. In contrast, HS-6 731815 covers non-threaded nuts, which serve different purposes.
This HS-6 line includes various types of threaded nuts, such as hex nuts, square nuts, and wing nuts, all made from iron or steel. These components are essential in construction, automotive, and machinery sectors.
When considering similar products, note that HS-6 731817 refers to nuts that are not threaded, which might lead to confusion. Ensure you verify the threading feature to select the correct code.
Keywords & topics
Useful terms traders and brokers use for this HS-6 subheading.
threaded nuts · iron nuts · steel nuts · hex nuts · square nuts · wing nuts · lock nuts · cap nuts · flange nuts · fastening components · industrial nuts · nut classification · machinery parts · automotive fasteners · construction hardware
Examples
Drawn from the official tariff wording for this HS-6 subheading. Always confirm against your published schedule and legal notes.
- Hex nuts for machinery assembly
- Square nuts used in furniture manufacturing
- Wing nuts for easy hand tightening
- Lock nuts for securing bolts in automotive applications
- Cap nuts for covering exposed threads
- Flange nuts for providing a larger bearing surface
- Nuts packaged in bulk for industrial use
- Specialty nuts for specific engineering applications
Common questions
Frequent classification questions with short practical guidance.
How to classify threaded nuts?
Write down material, use, and product form first, then compare nearby lines before you lock the code.
Are hex nuts covered under HS-6 731816?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
What materials are used for HS-6 731816 nuts?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Can I use HS-6 731816 for all types of nuts?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
What is the difference between HS-6 731816 and 731815?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Do I need a specific certificate for HS-6 731816?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
What are common uses for iron or steel nuts?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Related topics
Common real-world topics that come up during code comparison.
How to determine if my nuts fall under HS-6 731816
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Examples of products classified under HS-6 731816
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Differences between threaded and non-threaded nuts HS codes
Compare adjacent HS lines and pick the one that matches material, function, and product form most closely.
What types of nuts are included in HS-6 731816?
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Guidelines for importing steel nuts with HS-6 731816
Check the exact product specs and destination-country tariff notes before finalizing the code.
Is there a specific packaging requirement for HS-6 731816?
Use this as a checklist topic, then confirm legal requirements with your broker or customs advisor.
How to avoid misclassification of threaded nuts
Use this topic to narrow your shortlist, then validate the final code against legal wording.
What are the customs duties for HS-6 731816?
Check the exact product specs and destination-country tariff notes before finalizing the code.
Questions & answers
For orientation only—the binding text is your national tariff and the WCO nomenclature your country uses.
- What types of nuts are classified under HS-6 731816?
- HS-6 731816 covers various threaded nuts made of iron or steel, including hex nuts, square nuts, and wing nuts.
- Can I use HS-6 731816 for non-threaded nuts?
- No, non-threaded nuts should be classified under HS-6 731815, which is specifically for those types.
- What is the main use of nuts classified under HS-6 731816?
- These nuts are primarily used for fastening components together, often in machinery, automotive, and construction applications.
- Do I need to provide any certifications for HS-6 731816?
- Typically, you may need to provide documentation that verifies the material composition and intended use, depending on your country's regulations.
- What is the difference between HS-6 731816 and HS-6 731817?
- HS-6 731816 is for threaded nuts, while HS-6 731817 covers nuts that are not threaded, which serve different fastening purposes.
- Are there any specific packaging requirements for HS-6 731816?
- Packaging should ensure that the nuts are protected from damage during transit, but specific requirements may vary by country.
- What customs duties apply to HS-6 731816?
- Customs duties for HS-6 731816 can vary by country and should be checked with your local customs authority.
- How can I confirm my product falls under HS-6 731816?
- Check if your product is a threaded nut made of iron or steel. If it meets these criteria, it likely falls under HS-6 731816.
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