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HSChapter 84
U.S. exports of parts & accessories for stone, ceramic & glass working machine tools (heading 8464) (HS 846691) totaled $21.2M in July 2026.
Importers of Parts & Accessories for Stone, Ceramic & Glass Working Machine Tools (Heading 8464) paid $708K in duties in July 2026 — an effective duty rate of 12% on $5.8M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataReplacement and aftermarket parts for machine tools that work stone, ceramics, concrete, asbestos-cement, and cold-worked glass enter under this subheading, with the US schedule distinguishing cast-iron parts (8466911000) from other parts (8466915000) and a legacy catch-all line (8466910000). Italy and Germany lead US supply, reflecting the concentration of stone-processing and ceramic-tile machinery manufacturing in those countries. Because asbestos-cement is explicitly referenced in the heading's scope, importers of parts for legacy equipment should be aware that EPA regulations govern asbestos-containing articles separately from customs classification. China is also a notable supplier, and those goods are subject to Section 301 tariffs.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
719 shipments/mo
Cast iron is singled out because it is a distinct material with its own duty treatment in many machine-tool parts categories. Beds, columns, and housings are frequently cast iron, while spindles, slides, and precision components are typically steel or other materials. Correctly identifying the material composition of each part is essential to selecting the right 10-digit line.
The wire saw itself (the cutting element) would typically classify as a tool or abrasive article under a different heading, while the machine frame, drive components, and structural parts of the saw machine would fall under 8466.91 as parts for heading 8464 machines. The distinction between the consumable cutting element and the durable machine part is the key classification boundary.
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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 |
|---|---|---|---|---|---|
| 8466915000 | Parts for Machines of Heading 8464, NESOI | $6.7M | 10.24% | 84.40% | $690K |
| 8466911000 | Cas-Iron Parts for Machines of Heading 8464 | $147K | 11.80% | 67.36% | $17K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8466910000 | Parts for Machines of Heading 8464 | $21.2M |
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.
ImportsExports
Imports
$6.9MYoY · Pro
Exports
$21.2MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Exports · July 2026
destination
Mexico and China together take 79% of it.
customs district
origin
entry
rate provision · imports
15.4% enters free of duty; the effective duty rate is 10.27%.