Precision Wafer Grinder

Single-side wafer grinders back-grind wafers to ultra-thin dimensions (<50μm) while maintaining die strength. Under HTS 8442.30.01 for semiconductor printing component preparation.

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.

8460.29.01Higher: 39.4% vs 35%

If general grinding machines for working metal

Precision metal grinders in 8460; semiconductor wafer focus differentiates.

9017.20.70Same rate: 35%

If incorporating optical thickness measurement

Optical measuring instruments for pattern following in 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

Document minimum grind thickness and taper control specifications

Temporary bonding systems classified separately under 8442.90 parts

High-value diamond wheels declared as accessories