What is HS code 731813 used for?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
HS-6 · Subheading
Iron or steel; threaded screw hooks and screw rings
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
Use HS-6 731813 when importing or exporting threaded screw hooks and screw rings made of iron or steel. For example, if you're shipping a batch of iron screw hooks for construction use, this is the correct code to apply.
This code specifically covers threaded screw hooks and screw rings, which are often used in construction, rigging, and various fastening applications. In contrast, HS-6 731814 covers non-threaded screw hooks and rings, which serve different purposes.
When classifying your products, remember that HS-6 731813 is distinct from other items in the same heading, such as bolts and nuts. If your product features a specific thread design for secure fastening, it falls under this classification.
For accurate customs clearance, ensure your product descriptions match the specifications of this HS-6. This includes noting the material, threading type, and intended use.
Useful terms traders and brokers use for this HS-6 subheading.
iron screw hooks · steel screw rings · threaded hooks · construction fasteners · rigging hardware · importing screw hooks · exporting screw rings · customs classification · HS code 731813 · fastening applications · metal hardware · thread design · industrial hooks · heavy-duty screw hooks · marine hardware
Drawn from the official tariff wording for this HS-6 subheading. Always confirm against your published schedule and legal notes.
Frequent classification questions with short practical guidance.
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Write down material, use, and product form first, then compare nearby lines before you lock the code.
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Common real-world topics that come up during code comparison.
Check the exact product specs and destination-country tariff notes before finalizing the code.
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Check the exact product specs and destination-country tariff notes before finalizing the code.
Compare adjacent HS lines and pick the one that matches material, function, and product form most closely.
Check the exact product specs and destination-country tariff notes before finalizing the code.
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Use this topic to narrow your shortlist, then validate the final code against legal wording.
For orientation only—the binding text is your national tariff and the WCO nomenclature your country uses.
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