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Combing machines refine carded fiber slivers by removing short fibers (noils) and further parallelizing the remaining long-staple fibers, producing a combed top used in worsted wool, combed cotton, and premium synthetic yarn systems. Italy is the dominant US import source for this specialized equipment, with China also supplying the market. The heading resolves to a single US tariff line (8445120000), and correct classification hinges on confirming the machine performs the combing function rather than carding or drawing.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
HSChapter 84
Heading 844512 is fiber-agnostic — it covers combing machines for wool, cotton, flax, and manmade staple fibers alike. The classification is defined by the machine's combing function, not the fiber it processes. Worsted wool systems and combed-cotton ring-spinning lines both use equipment that falls under this heading.
A combined carding-combing machine would be classified based on its principal function or, if functions are equally weighted, under the heading that appears last in the HTS — a determination that often requires a binding ruling. Importers of integrated fiber-preparation lines should consult a licensed customs broker before filing entry to avoid misclassification.
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Subheading 8 of 8 in heading 8445
Subheading 844512 · $0 of $2.7M
ImportsExports
Imports
$0YoY · Pro
Exports
$0YoY · Pro
12-mo low · imports
YoY · ProFewer than 6 of the last 12 months reported trade above $500K; the trend chart is not shown for thin series.
Through July 2026. Source: U.S. Census Bureau.
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 |
|---|---|---|---|---|
| 8445120000 | Combing Machines for Preparing Textile Fibers | $0 | -- | -- |
Imports · July 2026
origin
customs district
destination
entry
rate provision · imports
None recorded for this period.