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SITCSection 7
U.S. imports of machine tools operated by electro-discharge processes (SITC 73113) totaled $8.2M in April 2026, traded with 14 countries.
Importers of Machine Tools Operated by Electro-Discharge Processes paid $1.1M in duties in April 2026 — an effective duty rate of 13% on $8.6M in dutiable value, based on actual customs collections rather than the published tariff schedule. Machine Tools Operated by Electro-Discharge Processes imports of $8.2M in April 2026 ran 14% below the year-to-date monthly average of $9.6M.
Last updated: April 2026 dataElectro-discharge machining (EDM) equipment removes material through controlled electrical sparks between an electrode and a conductive workpiece, enabling the production of complex cavities and fine features in hardened tool steels and exotic alloys. EDM systems — including sinker, wire, and hole-drilling variants — are widely traded capital goods serving the mold-and-die, aerospace, and precision parts industries. Importers should note that origin-specific Section 301 exposure can materially affect landed cost for equipment sourced from certain Asian manufacturing hubs.
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At the SITC level, all electro-discharge machine tools fall within the same category regardless of electrode configuration. At the HTS 10-digit level, however, distinctions between wire-cut EDM and other EDM types may exist. Importers should verify the applicable HTS subheading with a licensed customs broker to ensure correct duty treatment.
CBP may request technical specifications, manufacturer's literature, and a detailed description of the working process to confirm that electrical discharge — rather than a mechanical or chemical process — is the primary material-removal method. A binding ruling can provide classification certainty for high-value capital equipment purchases.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| SWITZERLAND | $1.3M | $2.1M | +$837K |
| JAPAN | $3.0M | -- | -$3.0M |
| THAILAND | $1.5M | -- | -$1.5M |
| SINGAPORE | $1.5M | -- | -$1.5M |
| MEXICO | -- | $1.0M | +$1.0M |
Monthly import values over time