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HTS 6804Millstones, 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

Product or HTS code

Rate lines10

Code	Description	General	Special	Column 2	Units	Calculate
6804.10.00.00	6804.10.00.00Millstones and grindstones for milling, grinding or pulpingGeneral Free · Column 2 Free · No.	Free		Free	No.
	Other millstones, grindstones, grinding wheels and the like
6804.21.00	6804.21.00Of agglomerated synthetic or natural diamondGeneral Free · Column 2 30%	Free		30%
6804.21.00.10	6804.21.00.10Segments for circular sawblades, consisting of diamond agglomerated with metalGeneral Free · Column 2 30% · No.	Free		30%	No.
6804.21.00.20	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)General Free · Column 2 30% · No.	Free		30%	No.
6804.21.00.30	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)General Free · Column 2 30% · No.	Free		30%	No.
6804.21.00.90	6804.21.00.90OtherGeneral Free · Column 2 30% · No.	Free		30%	No.
6804.22	6804.22Of other agglomerated abrasives or of ceramics
6804.22.10.00	6804.22.10.00Bonded with synthetic resinsGeneral 5¢/kg + 2% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 $1.10/kg + 40% · kg	5¢/kg + 2%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	$1.10/kg + 40%	kg
	Other
6804.22.40.00	6804.22.40.00Abrasive wheelsGeneral Free · Column 2 20% · No.	Free		20%	No.
6804.22.60.00	6804.22.60.00OtherGeneral Free · Column 2 30% · kg	Free		30%	kg
6804.23.00.00	6804.23.00.00Of natural stoneGeneral Free · Column 2 Free · No.	Free		Free	No.
6804.30.00.00	6804.30.00.00Hand sharpening or polishing stonesGeneral Free · Column 2 Free · No.	Free		Free	No.

2026 HTS Revision 21 (October 9, 2026)

Duty by country of origin

Rate line	South Korea12.11% of imports	China11.48% of imports	Italy8.71% of imports	Japan8.31% of imports	Germany7.85% of imports	Austria7.81% of imports	Mexico6.1% of imports	Thailand6.08% of imports	Sweden4.06% of imports	Spain3.82% of imports
6804.10.00.00Millstones and grindstones for milling, grinding or pulping	12.5%9903.05.71	37.5%9903.05.319903.88.03	10%9903.05.39	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	10%9903.05.55	12.5%9903.05.77	10%9903.05.39	10%9903.05.39
6804.21.00.10Segments for circular sawblades, consisting of diamond agglomerated with metal	12.5%9903.05.71	From 37.5%9903.05.319903.88.03AD/CVD may apply	10%9903.05.39	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	10%9903.05.55	From 12.5%9903.05.77AD/CVD may apply	10%9903.05.39	10%9903.05.39
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)	12.5%9903.05.71	From 37.5%9903.05.319903.88.03AD/CVD may apply	10%9903.05.39	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	10%9903.05.55	From 12.5%9903.05.77AD/CVD may apply	10%9903.05.39	10%9903.05.39
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)	12.5%9903.05.71	From 37.5%9903.05.319903.88.03AD/CVD may apply	10%9903.05.39	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	10%9903.05.55	From 12.5%9903.05.77AD/CVD may apply	10%9903.05.39	10%9903.05.39
6804.21.00.90Other	12.5%9903.05.71	From 37.5%9903.05.319903.88.03AD/CVD may apply	10%9903.05.39	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	10%9903.05.55	From 12.5%9903.05.77AD/CVD may apply	10%9903.05.39	10%9903.05.39
6804.22.10.00Bonded with synthetic resins	Varies5¢/kg + 2%Depends on product facts	From 37.5%9903.05.319903.88.03Plus 5¢/kg + 2%AD/CVD may apply	Varies5¢/kg + 2%Depends on product facts	Varies5¢/kg + 2%Depends on product facts	Varies5¢/kg + 2%Depends on product factsAD/CVD may apply	Varies5¢/kg + 2%Depends on product facts	From 10%9903.05.55Plus 5¢/kg + 2%	From 12.5%9903.05.77Plus 5¢/kg + 2%	Varies5¢/kg + 2%Depends on product facts	Varies5¢/kg + 2%Depends on product facts
6804.22.40.00Abrasive wheels	12.5%9903.05.71	From 37.5%9903.05.319903.88.03AD/CVD may apply	10%9903.05.39	12.5%9903.05.49	From 10%9903.05.39AD/CVD may apply	10%9903.05.39	10%9903.05.55	12.5%9903.05.77	10%9903.05.39	10%9903.05.39
6804.22.60.00Other	12.5%9903.05.71	From 37.5%9903.05.319903.88.03AD/CVD may apply	10%9903.05.39	12.5%9903.05.49	From 10%9903.05.39AD/CVD may apply	10%9903.05.39	10%9903.05.55	12.5%9903.05.77	10%9903.05.39	10%9903.05.39
6804.23.00.00Of natural stone	12.5%9903.05.71	37.5%9903.05.319903.88.03	10%9903.05.39	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	10%9903.05.55	12.5%9903.05.77	10%9903.05.39	10%9903.05.39
6804.30.00.00Hand sharpening or polishing stones	12.5%9903.05.71	37.5%9903.05.319903.88.03	10%9903.05.39	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	10%9903.05.55	12.5%9903.05.77	10%9903.05.39	10%9903.05.39

Total duty on a $10,000 ocean shipment entered 2026-10-13, before customs fees. Origins are the leading sources of US imports under this heading in 2025 (US Census Bureau).