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HSChapter 84
U.S. imports of machine tools for deburring, polishing & abrasive finishing of metal (nesoi) (HS 846090) totaled $5.2M in July 2026, traded with 28 countries.
Importers of Machine Tools for Deburring, Polishing & Abrasive Finishing of Metal (NESOI) paid $717K in duties in July 2026 — an effective duty rate of 16% on $4.6M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataAbrasive finishing machine tools for deburring, polishing, and surface conditioning of metal and sintered carbide — not classifiable as grinding, honing, or lapping machines — serve a broad range of end uses from automotive body panels to medical device components. Germany and France lead US imports in this residual category, which also draws supply from China. The US schedule provides nine 10-digit lines segmented by NC status, condition, and value threshold, mirroring the structure used for honing and lapping machines. Because this heading is explicitly 'not elsewhere specified,' importers must first confirm the machine does not fit a more specific abrasive-finishing heading before classifying here.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
120 shipments/mo
Machines designed primarily for deburring sharp edges, vibratory finishing bowls, belt-finishing machines for surface conditioning, and robotic polishing cells for metal parts are typical examples. The key is that these machines are not designed to achieve the dimensional accuracy or geometric correction that defines grinding (846012–846029) or honing/lapping (846040). If a machine's primary function is cosmetic or edge-quality finishing rather than dimensional stock removal, 846090 is the appropriate heading.
When a machine and its functional attachment are imported together as a complete unit, they are generally classified as a whole based on the principal function of the combined system. If the deburring function is primary, the entire unit would be classified under 846090. If the attachment is sold separately as a spare or accessory, it may be classified independently. A licensed customs broker should be consulted to confirm the appropriate treatment based on the specific invoice and technical documentation.
Subheading 3 of 10 in heading 8460
Subheading 846090 · $5.2M of $50.5M
Supplier Network
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ImportsExports
Imports
$5.2MYoY · Pro
Exports
$2.8MYoY · Pro
12-mo low · imports
YoY · ProThrough 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 |
|---|---|---|---|---|---|
| 8460908080 | Mac Tools Using Abrasives,NESOI,Ex N/C,$3025ov,New | $2.7M | 13.70% | 97.74% | $369K |
| 8460904060 | Mac Tools Using Abrasives,NESOI,N/C,3,025over, New | $1.8M | 11.48% | 68.64% | $202K |
| 8460908020 | Mac Tls Fr Finish Mtl Use Abras,NESOI,Lt $3025, N | $709K | 19.74% | 102.33% | $140K |
| 8460908010 | Mac Tools Fr Finish Mtl, NESOI, Exc Num Cntrl,Used | $44K | 13.73% | 100.00% | $6K |
| 8460904010 | Mac Tools Fr Finish Mtl,NESOI,Numeric Contrld,Used | $3K | 16.89% | 100.00% | $535 |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
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
Switzerland and Germany together supply 45% of it.
customs district
destination
entry
rate provision · imports
11.8% enters free of duty; the effective duty rate is 13.78%.