U.S. imports of Metal-Treating Machines & Electric Wire Coil-Winders (HS 847981) totaled $32.5M in August 2026, imported from 34 countries.
Importers of Metal-Treating Machines & Electric Wire Coil-Winders paid $4.2M in duties in August 2026, an average duty rate of 12.99% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Metal-Treating Machines & Electric Wire Coil-Winders imports of $32.5M in August 2026 ran 29% above the year-to-date monthly average of $25.2M.
Last updated: August 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.
235 import shipments a month
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.
Subheading 7 of 13 in heading 8479
Subheading 847981 · $32.5M of $1.4B
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HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Imports for consumption | Average duty rate | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 8479810000 | Metal Treating Mach, Inc Electric Wire Coil-Winder | $32.5M | 12.99% | 86.20% | $4.2M |
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 | $5.3M |
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
$32.5MYoY · free account
Exports
$5.3MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $309.1M of Metal-Treating Machines & Electric Wire Coil-Winders and exported $64.9M.
Through August 2026. Source: U.S. Census Bureau.
Imports · August 2026
origin
South Korea and Canada together supply 51% of it. China pays 37.5% duty; Canada 2.8%.
customs district
destination
entry
rate provision · imports
13.8% enters free of duty; duty collected equals 12.99% of imports for consumption.