HSN Code 6804 refers to "Millstones, grindstones, grinding wheels and the like, without frameworks, for milling, grinding, pulping, 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 (excluding perfumed pumice stones and grinding wheels etc. specifically for dental drill engines)." This classification code is essential for identifying grinding tools and related items for import/export purposes based on their nature, composition, and intended use. Common products under HSN Code 6804 include grinding wheels, millstones, hand sharpening stones, and polishing stones. Additionally, the GST rate for these grinding and polishing tools under this code supports accurate trade compliance.