Chapter 68 · Articles of stone, plaster, cement · Section 13
HS Code 6804.21
Of agglomerated synthetic or natural diamond
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
US HTS + UK Tariff v4.0.1596 · updated 2026-09-10 · sources
United States - HTS lines under 6804.21
Source: official Harmonized Tariff Schedule (USITC). "General" is the normal-trade-relations rate; "Special" lists preference programs; "Other" is the column-2 rate. Additional Section 232/301 duties may apply on top.
| HTS code | Description | General | Special | Other | Unit |
|---|---|---|---|---|---|
| 6804.21.00 |
Of agglomerated synthetic or natural diamond 4 statistical lines (10-digit)
|
Free | - | 30% | No. |
Estimate the US duty runs in your browser · no caps
Enter the customs value (and quantity, when a rate is per-unit) to estimate the general-rate duty per HTS line. Estimates exclude Section 232/301 surcharges, MPF/HMF and fees. Not a customs ruling.
European Union - CN codes under 6804.21
Source: EU Combined Nomenclature (Eurostat, © European Union, reused per Decision 2011/833/EU). Duty rates and measures live in TARIC; each code links to the official consultation.
| CN code | Description | |
|---|---|---|
| 6804 21 00 | Of agglomerated synthetic or natural diamond | EU duty (TARIC) → |
United Kingdom - commodity codes under 6804.21
Source: UK Integrated Online Tariff (Open Government Licence v3.0). Declarable 10-digit codes go on the customs declaration; check the official page for the current duty and VAT measures.
| Commodity code | Description | |
|---|---|---|
| 6804 21 00 00 | Of agglomerated synthetic or natural diamond | UK duty & VAT → |
| 6804 21 00 20 | Discs<br> <br><br><br>- of synthetic diamonds which are agglomerated with a metal alloy, ceramic alloy or plastic alloy,<br> <br><br><br>- having a self-sharpening effect by constant release of the diamonds,<br> <br><br><br>- suitable for abrasive cutting of wafers,<br> <br><br><br>- whether or not containing a hole in the centre,<br> <br><br><br>- whether or not on a support<br> <br><br><br>- with a weight of not more than 377 g per piece and<br> <br><br><br>- with an external diameter of not more than 206 mm<br> | UK duty & VAT → |
| 6804 21 00 40 | Steel wire used for cropping and squaring semiconductors: -coated with diamond grains of 5µm or more, but not more than 55µm -wire diameter 23 µm or more but not more than 350 µm, -having a breaking strength of 11 N or more, but not more than 170 N | UK duty & VAT → |
| 6804 21 00 50 | Wheels suitable for grinding, rounding, polishing, aligning or cutting: -composed of metal base and agglomerated synthetic or natural diamonds, -whether or not containing a hole in the centre, -with an external diameter not more than 870 mm, for machines for the manufacture of semiconductor wafers | UK duty & VAT → |
| 6804 21 00 90 | Other | UK duty & VAT → |
Other subheadings in 6804
Sources: U.S. International Trade Commission, Harmonized Tariff Schedule (public domain) · EU Combined Nomenclature © European Union, Eurostat (Decision 2011/833/EU) · UK Integrated Online Tariff, contains public sector information licensed under the Open Government Licence v3.0. Data refreshed weekly. Details on About & Data Sources.