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HS 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

HEADING DEFINITION & DISAMBIGUATION

HS Heading 6804 encompasses 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. It classifies 5 6-digit WCO subheadings within Chapter 68 under the Harmonized System [USITC HTS 2026].

Chapter

Ch 68

Heading

6804

Subheadings

5 HS6

Status

Verified 2026

Subheadings Under Heading 6804

HS Code	WCO 6-Digit Subheading Description	Chapter	Operational Package
6804.10	Millstones and grindstones for milling, grinding or pulping	68	View 6804.10 Package →
6804.21	Other millstones, grindstones, grinding wheels and the like, Of agglomerated synthetic or natural diamond	68	View 6804.21 Package →
6804.22	Other millstones, grindstones, grinding wheels and the like, Of other agglomerated abrasives or of ceramics	68	View 6804.22 Package →
6804.23	Other millstones, grindstones, grinding wheels and the like, Of natural stone	68	View 6804.23 Package →
6804.30	Hand sharpening or polishing stones	68	View 6804.30 Package →

DISAMBIGUATION & CLASSIFICATION GUIDE

How to Select the Correct Subheading Under Heading 6804

Commercial shipments must be declared under the exact 6-digit WCO subheading that matches physical, chemical, or processing characteristics. Review the subheading descriptions above and verify against binding CBP CROSS rulings prior to entry filing.

Official Primary Sources & Authority References

USITC HTS Heading 6804 ↗

United States International Trade Commission official Harmonized Tariff Schedule.

CBP CROSS Rulings ↗

CBP e-Rulings database for Heading 6804 precedent rulings.

WCO Nomenclature ↗

World Customs Organization Harmonized System 2022 nomenclature standard.

U.S. Census Foreign Trade ↗

U.S. Census Bureau HTS-to-NAICS concordance and Schedule B export database.

Heading 6804 Frequently Asked Questions (FAQ)

What commercial articles are grouped under HS Heading 6804?

HS Heading 6804 covers 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, grouping 5 6-digit WCO subheadings.

How are 6-digit subheadings structured under Heading 6804?

Subheadings under Heading 6804 range from 6804.11 to 6804.90, classifying goods by processing state, origin, or material composition.

What is the representative US import duty rate for Heading 6804?

US MFN general duty rates for Heading 6804 commodities range from Duty-Free up to representative ad valorem percentages under the 2026 US HTS.

Are Section 301 tariffs applicable to goods under Heading 6804?

Section 301 additional tariffs depend on the specific 8-digit or 10-digit US HTS code and country of origin (e.g. China Lists 1–4A).

What PGA message set flags apply to Heading 6804?

Partner Government Agency flags (FDA, USDA APHIS, EPA) apply depending on the specific commodity sub-classification.

How do I distinguish between subheadings under Heading 6804?

Review WCO subheading terms and candidate descriptions. For example, unroasted vs. roasted or decaffeinated vs. non-decaffeinated.

Can goods under Heading 6804 enter duty-free under USMCA?

Yes. Goods originating in USMCA territories (US, Mexico, Canada) enter duty-free under SPI code P with a valid Certificate of Origin.

What is the Section 321 de minimis limit for Heading 6804?

Eligible import shipments valued at $800 USD or less imported by one person on one day enter duty-free under 19 U.S.C. 1321.

What documents are required for formal customs entry of Heading 6804?

Commercial Invoice, Packing List, Bill of Lading, and CBP Form 7501 are mandatory for entries exceeding $2,500 USD.

How can an importer get a binding CBP classification ruling for Heading 6804?

Importers may apply for a binding ruling via CBP National Commodity Specialist Division under 19 CFR Part 177.