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U.S. imports of numerically controlled knee-type milling machines for metal removal (HS 845951) totaled $140K in July 2026, traded with 7 countries.
Importers of Numerically Controlled Knee-Type Milling Machines for Metal Removal paid $30K in duties in July 2026 — an effective duty rate of 20% on $150K in dutiable value, based on actual customs collections rather than the published tariff schedule. Numerically Controlled Knee-Type Milling Machines for Metal Removal imports of $140K in July 2026 ran 48% below the year-to-date monthly average of $268K.
Last updated: July 2026 dataKnee-type milling machines with numerical control occupy a well-defined niche in precision toolroom and prototype machining, where the adjustable knee allows rapid Z-axis repositioning that fixed-bed machines cannot replicate. Switzerland leads US imports under this heading, alongside Taiwan and Germany — a mix of high-precision European toolroom equipment and cost-competitive Asian production. The US schedule is straightforward, splitting only by condition: used (8459510040) and new (8459510080). Importers should confirm that a machine's knee-type geometry is clearly documented, as knee-type and non-knee-type NC milling machines carry separate HTS lines with potentially different duty rates.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
6 shipments/mo
A knee-type milling machine has a vertically adjustable knee casting that supports the saddle and table, allowing the operator to raise or lower the entire workpiece assembly relative to the spindle. This distinguishes it from bed-type or planer-type mills, where the table travels on a fixed base. Manufacturer drawings or technical datasheets confirming the knee mechanism are the standard supporting documentation for this classification.
For HTS purposes, 'numerically controlled' means the machine's axis movements are directed by a programmed numerical controller — even a basic two-axis NC system qualifies. Machines with only a digital readout (DRO) that provides position feedback without controlling axis motion are not considered numerically controlled and would fall under the non-NC subheading (845959). The controller's function, not its sophistication, determines classification.
HSChapter 84
Subheading 12 of 12 in heading 8459
Subheading 845951 · $140K of $33.5M
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ImportsExports
Imports
$140KYoY · Pro
Exports
$49KYoY · 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 | Duty Collected |
|---|---|---|---|---|---|
| 8459510080 | Milling Machines, Knee Type, Metal Remov, N/C, New | $3K | 14.22% | 100.00% | $364 |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8459510040 | Milling Machines, Knee Type, Metal Remov, N/C,Used | $36K |
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.
Imports · July 2026
origin
Italy and China together supply 92% of it.
customs district
destination
entry
rate provision · imports
2.1% enters free of duty; the effective duty rate is 21.76%.