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HSChapter 73
U.S. imports of non-threaded fasteners of iron or steel (nesoi) (HS 731829) totaled $26.2M in April 2026, traded with 49 countries.
Importers of Non-Threaded Fasteners of Iron or Steel (NESOI) paid $12.2M in duties in April 2026 — an effective duty rate of 51% on $24.2M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataClassified under a single residual line (7318290000), this heading captures non-threaded iron and steel fasteners — such as snap rings, retaining rings, spring clips, and other mechanical retention devices — that are not more specifically described by another heading in Chapter 73. China leads US imports, followed by Canada, Taiwan, Japan, and Germany, reflecting a broad supply base spanning commodity stampings to precision-engineered retention hardware. Because this is a catch-all line, CBP scrutiny of whether an article belongs in a more specific heading (e.g., rivets under 731823 or cotters under 731824) is a recurring classification risk.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Common examples include snap rings (circlips), retaining rings, spring clips, hairpin clips, and similar retention devices that do not qualify as rivets (731823), cotters (731824), washers (731821/731822), or pins (731940). The residual nature of 731829 means the importer must first confirm the article does not fit a named heading before defaulting to this classification.
Importers should retain technical drawings, product specifications, and a written classification analysis demonstrating that the article is (a) of iron or steel, (b) non-threaded, (c) functions as a fastener, and (d) is not more specifically described elsewhere in Chapter 73. For high-volume or high-value shipments, a CBP binding ruling provides the strongest protection against reclassification at the port of entry.
| Country | Imports | Exports | Balance |
|---|---|---|---|
| CANADA | $4.0M | $11.1M | +$7.1M |
| MEXICO | $646K | $10.7M | +$10.0M |
| CHINA | $3.7M | $3.0M | -$674K |
| JAPAN | $2.6M | $1.8M | -$876K |
| UNITED KINGDOM | $1.4M | $2.7M | +$1.2M |
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Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 7318290000 | OTH NON-THREADED ARTICLES (FASTNRS) IRN/STL NESOI | $26.2M | 50.56% | $12.2M |
OTH NON-THREADED ARTICLES (FASTNRS) IRN/STL NESOI
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 7318290000 | OTH NON-THREADED ARTICLES (FASTNRS) IRN/STL NESOI | $46.3M |
OTH NON-THREADED ARTICLES (FASTNRS) IRN/STL NESOI
2.2M kg
ARTICLES OF IRON OR STEEL NESOI
HS 732690
STRUCTURES AND PARTS NESOI OF IRON OR STEEL
HS 730890
THREADED SCREWS AND BOLTS NESOI OF IRON OR STEEL
HS 731815
COOKING APPLIANCES ETC FOR GAS FUEL, IRON OR STEEL
HS 732111
NUTS OF IRON OR STEEL
HS 731816
TABLE, KITCHEN ETC ARTICLES & PTS, STAINLESS STEEL
HS 732393
| State | Imports | Exports | Balance |
|---|---|---|---|
| California | $1.4M | $8.5M | +$7.1M |
| Texas | $2.0M | $6.0M | +$4.0M |
| Illinois | $3.0M | $3.5M | +$533K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| CLEVELAND, OH | $788K | $4.9M | +$4.1M |
| LAREDO, TX | $378K | $5.2M | +$4.8M |
| NEW ORLEANS, LA | $1.7M | $3.4M | +$1.8M |