# 680421 — Millstones, grindstones, grinding wheels and the like, without frameworks, for…: Of agglomerated synthetic or natural diamond

HS code 680421 classifies Millstones, grindstones, grinding wheels and the like, without frameworks, for…: Of agglomerated synthetic or natural diamond. It belongs to Chapter 68 (Articles of stone, plaster, cement, asbestos, mica or similar materials) of Section XIII (Articles of stone, plaster, cement, asbestos, mica or similar materials; ceramic products; glass and glassware) of the Harmonized System. Duty rates are recorded for 1 country.

> Section XIII · Articles of stone, plaster, cement, asbestos, mica or similar materials; ceramic products; glass and glassware
> Chapter 68 · Articles of stone, plaster, cement, asbestos, mica or similar materials

**HS code:** `680421`

## Description

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 : Other millstones, grindstones, grinding wheels and the like : Of agglomerated synthetic or natural diamond

## Duty rates

| Country | Rate | Programme |
| --- | --- | --- |
| US United States | 0% | MFN |

Rates effective as of 2026-01-01.

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Source: https://hscode.eximagent.ai/68/680421
Last updated: 2026-06-03
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