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SITCSection 7
U.S. imports of machine tools working by removing metal, nes (SITC 73179) totaled $3.0M in July 2026, traded with 21 countries.
Importers of Machine Tools Working by Removing Metal, NES paid $146K in duties in July 2026 — an effective duty rate of 15% on $962K in dutiable value, based on actual customs collections rather than the published tariff schedule. Machine Tools Working by Removing Metal, NES imports of $3.0M in July 2026 ran 20% above the year-to-date monthly average of $2.5M.
Last updated: July 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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190 shipments/mo
Basic heading 73179 · $3.0M of $175.6B
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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Imports · July 2026
origin
Korea, South and Mexico together supply 70% of it.
customs district
Census does not publish district detail for this classification system.
destination
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$3.0MYoY · Pro
Exports
$1.1MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.