HTS heading 6804
Millstones, grindstones, grinding wheels and the like, without frameworks, for grinding, sharpening, polishing, trueing or cutting, hand sharpening or polishing stones, and parts thereof, of natural stone, of agglomerated natural or artificial abrasives, or of ceramics, with or without parts of other materials — 13 codes under this heading, with the duty on each.
| Code | Description | General rate | Units |
|---|---|---|---|
| 6804 | Millstones, grindstones, grinding wheels and the like, without frameworks, for grinding, sharpening, polishing, trueing or cutting, hand sharpening or polishing stones, and parts thereof, of natural stone, of agglomerated natural or artificial abrasives, or of ceramics, with or without parts of other materials + Ch. 99 | not stated | — |
| 6804.10.00.00 | Millstones and grindstones for milling, grinding or pulping + Ch. 99 | Free | No. |
| 6804.21.00 | Of agglomerated synthetic or natural diamond + Ch. 99 | Free | — |
| 6804.21.00.10 | Segments for circular sawblades, consisting of diamond agglomerated with metal + Ch. 99 | Free (inherited from 6804.21.00) | No. |
| 6804.21.00.20 | Articles consisting of a continuous rim segment of diamond agglomerated with metal, attached to circular plates of steel (whether or not attached to non-steel plates) + Ch. 99 | Free (inherited from 6804.21.00) | No. |
| 6804.21.00.30 | Articles consisting of multiple segments of diamond agglomerated with metal, attached to circular plates of steel, without cutting parts (whether or not attached to non-steel plates) + Ch. 99 | Free (inherited from 6804.21.00) | No. |
| 6804.21.00.90 | Other + Ch. 99 | Free (inherited from 6804.21.00) | No. |
| 6804.22 | Of other agglomerated abrasives or of ceramics + Ch. 99 | not stated | — |
| 6804.22.10.00 | Bonded with synthetic resins + Ch. 99 | 5¢/kg + 2% | kg |
| 6804.22.40.00 | Abrasive wheels + Ch. 99 | Free | No. |
| 6804.22.60.00 | Other + Ch. 99 | Free | kg |
| 6804.23.00.00 | Of natural stone + Ch. 99 | Free | No. |
| 6804.30.00.00 | Hand sharpening or polishing stones + Ch. 99 | Free | No. |
4 of these lines state no rate of their own and inherit one from the line above, which is how the schedule is read. Each says which line it came from.
Additional duties may apply
13 lines here reference Chapter 99, where Section 301, Section 232 and other additional duties live. Those are charged on top of the general rate and depend on where the goods were made. What those provisions are.
Source: Harmonized Tariff Schedule of the United States, U.S. International Trade Commission (public domain). Classification and the duties that finally apply to a shipment are a licensed customs broker's call.