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Charmilles Roboform 350 EDM Sinker

The Roboform 350 is a versatile sinker EDM for producing cavities in tool steels and superalloys via electro-spark discharge. It includes automatic electrode changers for high-volume production. HTS 8456.30.10.70 applies to this other metalworking electro-discharge machine.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.5%+35.0%38.5%
🇲🇽Mexico3.5%+10.0%13.5%
🇨🇦Canada3.5%+10.0%13.5%
🇩🇪Germany3.5%+10.0%13.5%
🇯🇵Japan3.5%+10.0%13.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8456.30Same rate: 38.5%

If threading machines specifically for EDM wire insertion

Dedicated wire threading EDM machines have their own subheading.

8479.82.00Lower: 35% vs 38.5%

If used for semiconductor wafer lapping/polishing prep

Wafer grinders, lappers, and polishers for semiconductors are under 8479 per notes.

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Import Tips & Compliance

• List all automation features like electrode changers separately for tariff computation

• Confirm no plasma arc capabilities to stay in electro-discharge classification

• Prepare user manuals in English for CBP inspection

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