HS 7318 — Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel
HS heading 7318 (Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel) spans 12 products in U.S. import records, with 503,528 bill-of-lading shipments. The most imported are Other screws and bolts, whether or not with their nuts or washers, Screw hooks and screw rings, and Threaded articles, nuts.
Part of Chapter 73: Articles of iron or steel
Sourced from U.S. Customs bill of lading data · Updated monthly · Data through August 2026Cite as: ImportDoor, U.S. Customs bill of lading data (data through August 2026), https://www.importdoor.com/products/heading/7318
Products under this heading
| HS | Product | Shipments |
|---|---|---|
| 731815 | Other screws and bolts, whether or not with their nuts or washers | 112,373 |
| 731813 | Screw hooks and screw rings | 69,038 |
| 731816 | Threaded articles, nuts | 62,899 |
| 731819 | Threaded articles, other | 61,663 |
| 731822 | Non-threaded articles, other washers | 52,638 |
| 731812 | Threaded articles, other wood screws | 46,023 |
| 731814 | Threaded articles, self-tapping screws | 35,853 |
| 731829 | Non-threaded articles, other | 24,844 |
| 731823 | Non-threaded articles, rivets | 15,017 |
| 731811 | Threaded articles, coach screws | 11,367 |
| 731821 | Spring washers and other lock washers | 8,909 |
| 731824 | Cotters and cotter pins | 2,904 |
Frequently asked questions about HS 7318
What is HS code 7318?
HS 7318 covers screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins. It is a 4-digit heading in chapter 73 (Articles of iron or steel) of the Harmonized System, with 12 six-digit subheadings that appear in U.S. import records.
How many U.S. import shipments fall under HS 7318?
ImportDoor has 503,528 U.S. Customs bill-of-lading shipment records under HS heading 7318, updated monthly.
What is the most imported product under HS 7318?
Other screws and bolts (HS 731815) leads with 112,373 shipments, followed by Screw hooks and screw rings (HS 731813) and Threaded articles, nuts (HS 731816).