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HSChapter 83
U.S. imports of base metal mountings, fittings & similar articles for buildings (HS 830241) totaled $117.8M in July 2026, traded with 67 countries.
Importers of Base Metal Mountings, Fittings & Similar Articles for Buildings paid $31.4M in duties in July 2026 — an effective duty rate of 30% on $105.4M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataArchitectural hardware — door closers (non-automatic), door stops, knockers, kick plates, escutcheons, curtain and drapery hardware, and related building fittings — is classified here, with the US schedule subdividing extensively by article type and then by metal composition (iron/steel/aluminum/zinc versus other base metals). China is the primary supplier, with Taiwan and Mexico also significant. Section 301 tariffs apply broadly to China-origin goods in this heading, making supplier diversification to Vietnam and Taiwan an active strategy for hardware distributors and construction-product importers.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
11.0K shipments/mo
Non-automatic door closers — those requiring manual operation or that use simple spring tension without a hydraulic or pneumatic self-closing mechanism — fall under 8302413000. Automatic door closers, which use hydraulic fluid or compressed air to control closing speed and force without manual intervention, are classified under heading 8302.60. The distinction is functional and should be supported by product specifications.
Because the US schedule splits building hardware lines by material — iron/steel, aluminum, or zinc in one group versus other base metals in another — importers need supplier-provided material certifications or mill test reports confirming the primary metal. Misidentifying, for example, a zinc-alloy fitting as 'other base metal' can result in classification errors and potential penalties.
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Subheading 3 of 8 in heading 8302
Subheading 830241 · $117.8M of $700.0M
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 8302416080 | Othr Mountings/Fittngs/Etc Iron,Steel,Alumin,Zinc | $41.3M | 25.15% | 77.26% | $10.4M |
| 8302416045 | Door Hardware NESOI, Iron, Steel, Aluminum or Zinc | $38.1M | 28.14% | 97.27% | $10.7M |
| 8302416050 | Hdwr for Curtains Draprs A Shades, Ir/St Al or Zn | $15.2M | 31.29% | 97.86% | $4.8M |
| 8302419045 | Door Hardware NESOI, Base Metal Exc Ir St Al or Zn | $7.9M | 25.94% | 96.25% | $2.0M |
| 8302419080 | Other Mountings Etc for Bldgs NESOI Bas Metl NESOI | $5.5M | 17.03% | 83.75% | $944K |
| 8302416015 | Doorstops Pls Knckrs Chns Kckpl Esc Ir St Al or Zn | $4.0M | 28.68% | 98.41% | $1.1M |
| 8302419015 | Doorstops Pls Knckrs Chns Kckpl Escut Bs Mtl NESOI | $2.8M | 19.49% | 90.10% | $538K |
| 8302413000 | Door Clsrs (Exc Atmtc) A Pts, Bs Mtl, For Building | $1.9M | 34.20% | 97.22% | $662K |
| 8302419050 | Oth Mntg/Ftg/Etc Crtns/Drps/Wndw Shds;oth Base Mtl | $1.1M | 15.84% | 96.80% | $173K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
ImportsExports
Imports
$117.8MYoY · Pro
Exports
$32.1MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
China and Mexico together supply 46% of it.
customs district
destination
entry
rate provision · imports
10.0% enters free of duty; the effective duty rate is 26.63%.