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HSChapter 84
U.S. imports of machining centers for working metal (HS 845710) totaled $104.4M in July 2026, traded with 23 countries.
Importers of Machining Centers for Working Metal paid $12.0M in duties in July 2026 — an effective duty rate of 13% on $90.5M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataMachining centers are the backbone of modern precision metalworking, integrating milling, drilling, and boring operations with automatic tool changers (ATC) in a single setup — a capability that drives their dominance in aerospace, automotive, and die-mold production. Japan and Germany are the leading US import sources under this heading, with South Korea and Taiwan also significant, reflecting the concentration of advanced CNC machine-tool manufacturing in East Asia and Europe. The US tariff schedule is unusually granular here, distinguishing vertical-spindle centers by Y-axis travel (under or over 660 mm), horizontal-spindle centers by pallet size, and used/rebuilt units — each distinction carrying its own 10-digit line. Importers of used or rebuilt machining centers (8457100005) should be prepared to document condition and prior service history to support correct classification.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
372 shipments/mo
CBP typically looks at the commercial invoice, manufacturer's certificate of origin, and any refurbishment records. A machine that has been reconditioned but retains its original structural components is generally classified as rebuilt. Importers should obtain a detailed condition report from the seller and be prepared to present it at entry; misclassification between used and new lines can affect duty liability and statistical reporting.
The US schedule splits vertical-spindle machining centers with ATC at a 660 mm Y-axis threshold (8457100015 for travel not over 660 mm; 8457100025 for over 660 mm). This distinction reflects the machine's capacity class and is used for statistical and, in some cases, duty-rate purposes. Importers should confirm the machine's actual Y-axis travel from the manufacturer's technical specification sheet before filing entry.
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Subheading 1 of 3 in heading 8457
Subheading 845710 · $104.4M of $97.4M
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 |
|---|---|---|---|---|---|
| 8457100015 | Mac Centr,Auto Tool Chg,Vert-Spin,Y-Axis N/O 660mm | $24.7M | 14.59% | 96.79% | $3.6M |
| 8457100025 | Mac Centr,Auto Tool Chng,Vert-Spin,Y-Axis Ov 660mm | $17.7M | 14.64% | 101.54% | $2.6M |
| 8457100075 | Maching Centers, Without Automatic Tool Changers | $17.3M | 7.44% | 91.73% | $1.3M |
| 8457100070 | Maching Centers, Auto Tool Chng, NESOI | $11.7M | 12.41% | 100.00% | $1.5M |
| 8457100060 | Horizontal Spindal Machines (685mm-1016mm) | $7.7M | 9.02% | 69.59% | $693K |
| 8457100065 | Horizontal Spindal Machines Gt 1016 Mm | $5.1M | 5.50% | 48.07% | $282K |
| 8457100055 | Maching Centers,Auto Tool Chng, Horizontal-Spindle | $3.1M | 14.31% | 100.00% | $445K |
| 8457100005 | Machining Centers,Used or Rebuilt | $1.2M | 14.62% | 98.21% | $172K |
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.
ImportsExports
Imports
$104.4MYoY · Pro
Exports
$56.3MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Japan and Germany together supply 75% of it.
customs district
destination
entry
rate provision · imports
10.7% enters free of duty; the effective duty rate is 11.53%.