Diamond Wafer Grinding Machine

High-precision grinder using diamond abrasives for initial silicon wafer backgrinding. HTS 8474.20.00 applies to grinding machines processing semiconductor mineral wafers. Reduces wafer thickness from 700μm to <100μm for advanced packaging.

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.

8460.40Lower: 14.4% vs 35%

If handheld or small-scale grinding tools

Smaller grinding machines for semiconductor materials may fall under Chapter 84 honing/grinding tools.

9017.20Lower: 14.6% vs 35%

If with integrated optical inspection

Grinding machines with primary optical measuring function shift to Chapter 90.

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

Specify diamond abrasive type and wafer thickness capabilities in import declarations

Provide evidence of solid-form mineral processing to distinguish from liquid slurries

Ensure machine calibration certificates for precision claims

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