73.18 Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pins, washers (including spring washers) and similar articles, of iron or steel
One level above the number you declare. Pick one of the six-digit codes below.
Section XV, Base Metals — iron, steel, copper, aluminium, other base metals and articles thereof.
- 73 Chapter Iron or steel articles
- 18 Heading Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pins, washers (including spring washers) and similar articles, of iron or steel
- —— Subheading Pick one of the 12 six-digit codes below
Chapter 73 covers iron or steel articles: pipes, tubes, structural components, fasteners, tanks and household steel goods, downstream of the primary steel forms in chapter 72. Classification tip: Like chapter 72, finished steel articles (pipe, tube, fasteners) are frequent anti-dumping targets: check the current trade-remedy list for the specific product and origin country before quoting a landed cost.
All of chapter 73The 12 six-digit codes under 73.18
One of these is the number you declare.
- 7318.11 Iron or steel; threaded coach screws
- 7318.12 Iron or steel; threaded wood screws other than coach screws
- 7318.13 Iron or steel; threaded screw hooks and screw rings
- 7318.14 Iron or steel; threaded self-tapping screws
- 7318.15 Iron or steel; threaded screws and bolts n.e.c. in item no. 7318.1, whether or not with their nuts or washers
- 7318.16 Iron or steel; threaded nuts
- 7318.19 Iron or steel; threaded screws, bolts and nuts n.e.c. in item no. 7318.1
- 7318.21 Iron or steel; non-threaded spring washers and other lock washers
- 7318.22 Iron or steel; non-threaded washers, excluding spring and lock
- 7318.23 Iron or steel; non-threaded rivets
- 7318.24 Iron or steel; non-threaded cotters and cotter-pins
- 7318.29 Iron or steel; non-threaded articles, n.e.c. in item no. 7318.2
Other headings in chapter 73
The wording above is the Harmonized System nomenclature as published by the World Customs Organization, HS 2022 edition. It is a classification reference, not a tariff: it carries no duty rates, and it stops at six digits — the importing country adds its own beyond that.
Classification is decided by the General Rules of Interpretation and the section and chapter notes, and it is the importing country’s customs authority that makes it binding.
Shipping goods under 73.18? A customs hold shows up as a milestone that stops moving — follow the container or the air waybill from departure to delivery.
Track a shipment73.18 FAQ
Heading 73.18 covers screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pins, washers (including spring washers) and similar articles, of iron or steel. It is part of chapter 73 (iron or steel articles), and it is subdivided into 12 six-digit subheadings — the level you actually declare.
Pick one of the 12 subheadings below. Those six digits are what customs recognises internationally; the importing country may extend them to eight or ten in its own tariff schedule.
The General Rules of Interpretation, read together with the notes to Section XV and to chapter 73. A description that reads right is not enough on its own — the notes routinely pull goods out of the chapter they obviously belong to and put them somewhere else. Where duty or licensing turns on the answer, ask the importing country’s customs authority for a binding ruling.
A wrong or missing code is one of the common reasons customs holds a container, and a hold shows up as a milestone that stops moving. Watch for it in the container tracking app, on the air waybill in the air cargo tracker, or through the tracking API.