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+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

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: 14.4% vs 35%

If flat surface grinding machines for metal

Precision metal grinders in Chapter 8460.

9031.41.00Same rate: 35%

If integrated thickness measuring instruments

Precision measuring instruments primary function shifts to 9031.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Thickness control resolution (<0.1μm)

In-situ measurement integration documentation

Dry grinding capability declaration