U.S. imports of Machine Tools Working by Removing Metal, NES (SITC 73179) totaled $2.2M in August 2026, imported from 21 countries.
Importers of Machine Tools Working by Removing Metal, NES paid $148K in duties in August 2026, an average duty rate of 6.62% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule.
Last updated: August 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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179 import shipments a month
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.
Basic heading 73179 · $2.2M of $172.0B
Imports · August 2026
origin
Italy and Mexico together supply 80% of it. Turkey pays 16.9% duty; Canada 0.0%.
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
$2.2MYoY · free account
Exports
$1.3MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $29.0M of Machine Tools Working by Removing Metal, NES.
Through August 2026 · exports 10 of 12 months reported. Source: U.S. Census Bureau.
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