United States tariff line 6804.21.00.90: Other
Last updated
Key facts
- Tariff line
- 6804.21.00.90
- Covers
- Other millstones, grindstones, grinding wheels and the like, of agglomerated synthetic or natural diamond
- Duty (MFN)
- Free
- Additional duties
- None recorded
- Restrictions
- None recorded
- Tariff
- United States
- HS subheading
- 6804.21
Summary
In the United States tariff, line 6804.21.00.90 covers other millstones, grindstones, grinding wheels and the like, of agglomerated synthetic or natural diamond. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 6804.21 in heading 68.04 (chapter 68).
What this line covers
In the United States tariff, line 6804.21.00.90 covers other millstones, grindstones, grinding wheels and the like, of agglomerated synthetic or natural diamond.
Its legal text is “Other”, read under “Other millstones, grindstones, grinding wheels and the like” and “Of agglomerated synthetic or natural diamond”.
How it is structured
It falls under HS subheading 6804.21 in heading 68.04 (chapter 68). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.
- Chapter 68
- Articles of stone, plaster, cement, asbestos, mica or similar materials
- Heading 68.04
- 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
- Subheading 6804.21
- Other millstones, grindstones, grinding wheels and the like
- Within the subheading
- Of agglomerated synthetic or natural diamond
- Line 6804.21.00.90
- Other
Duty
Goods under this line enter free of general (MFN) duty.
The rate is published on 6804.21.00.
Other lines under 6804.21
- 6804.21.00.10Segments for circular sawblades, consisting of diamond agglomerated with metal
- 6804.21.00.20Articles 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)
- 6804.21.00.30Articles 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)
In other countries
No other national tariff on border.bot has live lines under 6804.21 yet.
Frequently asked questions
What does tariff line 6804.21.00.90 cover in the United States tariff?
In the United States tariff, line 6804.21.00.90 covers other millstones, grindstones, grinding wheels and the like, of agglomerated synthetic or natural diamond.
What is the general (MFN) duty on 6804.21.00.90 in the United States?
Goods under this line enter free of general (MFN) duty. The rate is published on 6804.21.00.
Sources and updates
The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
This page was last updated on 9 October 2026.
Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.
Official source files: