Subheadings 5
6804.10 Millstones and grindstones; for milling, grinding or pulping 6804.21 Millstones, grindstones, grinding wheels and the like; of agglomerated synthetic or natural diamond 6804.22 Millstones, grindstones, grinding wheels and the like; of other agglomerated abrasives or of ceramics 6804.23 Millstones, grindstones, grinding wheels and the like; of natural stone 6804.30 Stones; hand sharpening or polishing stones, of natural stone, agglomerated natural or artificial abrasives or ceramics, with or without parts of other materials