Slate Honing Stone

Natural slate stone for honing and lapping flat surfaces in metalworking. Excluded from 6802 slate per chapter note; HTS 6804.23.00.00 for abrasive uses.

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%

Alternative Classifications

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

6803.00.50.00Same rate: 35%

If worked slate roofing

Slate for building under 6803.

8442.50Lower: 10% vs 35%

If lithographic use

Chapter note excludes litho stones.

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Import Tips & Compliance

Explicitly note 'abrasive, not lithographic' to dodge exclusions

Flatness tolerance docs for industrial claims