Rack and Pinion for Wafer Grinding Head

Precision rack and pinion mechanism adjusting grinding head position in semiconductor wafer grinders, controlling backgrind thickness to microns.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China2.8%+35.0%37.8%
🇲🇽Mexico2.8%+10.0%12.8%
🇨🇦Canada2.8%+10.0%12.8%
🇩🇪Germany2.8%+10.0%12.8%
🇯🇵Japan2.8%+10.0%12.8%

Alternative Classifications

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

8460.29.01Higher: 39.4% vs 37.8%

If general grinding machine slides

Positioning mechanisms for non-semiconductor grinders.

9031.80.80Lower: 35% vs 37.8%

If measuring positioning systems

Integrated with wafer thickness measurement.

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Import Tips & Compliance

Thickness tolerance documentation (±1 micron typical) essential

Anti-backlash design specs prove semiconductor precision