New

Ask Wove anything about tariffs.

Try Tariff Assistant

Wafer Thickness Grinder

Stress-free grinders control semiconductor wafer thickness to nanometer precision using low-stress diamond wheels. Classified under HTS 8442.30.01 for printing component finishing.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+37.5%37.5%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

More Specific Codes

This product may fall under a more specific subheading:

Alternative Classifications

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

8460Lower: 16.9% vs 37.5%

If flat surface grinding machines for metal

Precision metal grinders in Chapter 8460.

9031.41.00Lower: 25% vs 37.5%

If integrated thickness measuring instruments

Precision measuring instruments primary function shifts to 9031.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Thickness control resolution (<0.1μm)

• In-situ measurement integration documentation

• Dry grinding capability declaration