Double-Sided Wafer Grinder

Planetary grinders simultaneously grind both wafer sides using rotating carriers for parallel surfaces. Under HTS 8442.30.01 as printing plate preparation machinery.

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 general honing machines for metal

Honing/grinding metal surfaces in 8460.

8428.60.00Lower: 17.5% vs 35%

If liquid abrasive surface processing machines

Other surface processing apparatus in 8428.

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Import Tips & Compliance

Carrier rotation speed and pressure specs required

Abrasive size progression documentation

Size range capability (2-12 inch wafers)