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SITCSection 7
U.S. imports of machine tools working by removing metal, nes (SITC 73179) totaled $2.7M in April 2026, traded with 18 countries.
Importers of Machine Tools Working by Removing Metal, NES paid $221K in duties in April 2026 — an effective duty rate of 13% on $1.7M in dutiable value, based on actual customs collections rather than the published tariff schedule. Machine Tools Working by Removing Metal, NES imports of $2.7M in April 2026 ran 37% above the year-to-date monthly average of $2.0M.
Last updated: April 2026 dataServing as the residual category for metal-removal machine tools, SITC 73179 captures equipment not elsewhere specified under the broader group—such as combined machining centers with non-standard configurations, ultrasonic machining units, and specialized tools working on sintered metal carbides or cermets. The explicit inclusion of machines working on sintered carbide and cermet workpieces is a key classification marker, distinguishing this heading from those covering conventional steel or cast-iron machining. Importers of advanced toolroom equipment or multi-process machines should carefully evaluate whether a specific machine fits a more precise SITC heading before defaulting to this NES category.
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Machines that fall here include those working on sintered metal carbides or cermets (such as EDM-based carbide grinders), ultrasonic machining units, and multi-function machines whose primary operation does not align with any specifically enumerated heading such as broaching, gear cutting, or sawing. The NES designation means all more-specific headings should be ruled out first.
Classification should follow the machine's principal function. If the machine is designed and marketed primarily for a function covered by a specific heading—such as gear grinding or broaching—it should be classified there. The NES heading applies only when no specific heading adequately describes the machine's primary metal-removal operation. A binding ruling request to CBP can provide certainty for high-value or recurring shipments.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| MEXICO | $792K | $1.4M | +$578K |
| CANADA | $385K | $408K | +$24K |
| GERMANY | $590K | $16K | -$574K |
| UNITED ARAB EMIRATES | -- | $322K | +$322K |
| JAPAN | $179K | $106K | -$73K |
Monthly import values over time