What HS code 6804.21 covers
HS code 6804.21 classifies millstones, grindstones, grinding wheels and the like; of agglomerated synthetic or natural diamond. It is a subheading of heading 6804 (Millstones, grindstones, grinding wheels, etc without frameworks, for grinding, sharpening, polishing, etc and parts thereof, natural stone, agglomerated natural or artificial abrasives or of ceramics), in chapter 68 (Stone, plaster, cement, asbestos, mica or similar materials; articles thereof), section XIII of the Harmonized System. These six digits are identical in every country that uses the HS.
Classification path
Import duty for 6804.21
仅为最惠国基础税率。中国原产货物还可能在此之上叠加301条款关税和2025年IEEPA关税。
来源：HTSUS / CBP
对第三国普遍适用的最惠国税率。各国17%至27%不等的进口增值税，以及任何反倾销措施，均需另行计算。
来源：TARIC
Imported this in 2024 or 2025?
Courts voided some of the tariffs importers paid on goods like this. You may be owed money back. The audit is free and we only get paid when you do.
Related codes in heading 6804
Not quite the right fit? These subheadings sit under the same heading and are the most common alternatives to 6804.21.
- 6804.10 Millstones and grindstones; for milling, grinding or pulping
- 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
Confirm the code for your exact product
A 6-digit subheading still covers a range of products. The wrong code at the border can mean overpaying duty, a delayed shipment, or a penalty. Describe your exact item and HS Mate confirms whether 6804.21 is right, with the duty rate and an audit trail your customs broker can accept.