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HSChapter 84
U.S. imports of metal-treating machines & electric wire coil-winders (HS 847981) totaled $21.7M in July 2026, traded with 34 countries.
Importers of Metal-Treating Machines & Electric Wire Coil-Winders paid $2.5M in duties in July 2026 — an effective duty rate of 13% on $18.9M in dutiable value, based on actual customs collections rather than the published tariff schedule. Metal-Treating Machines & Electric Wire Coil-Winders imports of $21.7M in July 2026 ran 10% below the year-to-date monthly average of $24.2M.
Last updated: July 2026 dataMachines and mechanical appliances for treating metal — including heat-treatment furnaces, surface-treatment equipment, and electric wire coil-winders — enter under a single tariff line (8479810000), serving the metalworking, electrical manufacturing, and motor-winding industries. Germany and Italy are the leading US import sources, with South Korea and Japan also significant suppliers. Importers should distinguish metal-treating machines from metal-working machine tools (Chapter 84, headings 8456–8463), which shape metal by cutting or forming rather than treating its surface or properties.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
218 shipments/mo
Metal-working machine tools (headings 8456–8463) shape metal by removing material or by deformation — cutting, grinding, bending, forging. Metal-treating machines under 8479810000 alter the properties or surface condition of metal without primarily shaping it — examples include annealing furnaces, electroplating lines, shot-blasting machines, and wire coil-winders. When a machine both shapes and treats metal, the principal function determines classification.
The HS places coil-winders here because they are mechanical appliances that process metal wire into wound coil form for use in motors, transformers, and inductors — a treatment-oriented operation rather than a cutting or forming one. Importers of automated coil-winding equipment for motor manufacturing should confirm the machine's function aligns with winding rather than wire drawing or insulating, which would point to different headings.
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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 |
|---|---|---|---|---|---|
| 8479810000 | Metal Treating Mach, Inc Electric Wire Coil-Winder | $21.7M | 11.62% | 87.21% | $2.5M |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8479810000 | Metal Treating Mach, Inc Electric Wire Coil-Winder | $6.2M |
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
$21.7MYoY · Pro
Exports
$6.2MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Italy and Switzerland together supply 43% of it.
customs district
destination
entry
rate provision · imports
12.8% enters free of duty; the effective duty rate is 11.62%.