Millstones, grindstones, grinding wheels and the like; of agglomerated synthetic or natural diamond

HS v2017 Code: 680421

About millstones, grindstones, grinding wheels and the like; of agglomerated synthetic or natural diamond

HS code 680421 covers a range of abrasive products used for grinding, polishing, and sharpening applications across various industries. These agglomerated synthetic or natural diamond tools are essential for precision manufacturing, construction, and mining operations, playing a crucial role in the broader economy. Their ability to withstand high temperatures and maintain sharp edges makes them indispensable for tasks that require consistent, high-quality material removal and surface finishing.

Production process

The production of HS 680421 items typically involves the agglomeration of synthetic or natural diamond particles with a bonding agent, such as a resin or metal. This process creates a durable, abrasive material that can be shaped into various forms, including wheels, discs, and blocks. The specific production techniques may vary depending on the intended application, but often include molding, pressing, and sintering to ensure the desired properties and performance characteristics.

Production inputs

The main inputs required for the production of HS 680421 items include synthetic or natural diamond particles, bonding agents (e.g., resins, metals), and specialized machinery for shaping and finishing the abrasive tools. Additionally, the industry relies on a range of supporting materials, such as molds, abrasive coatings, and dressing tools, to ensure consistent quality and performance.

Production outputs

The primary outputs of HS 680421 are a diverse range of abrasive tools, including 680421 Millstones, grindstones, grinding wheels and the like; of agglomerated synthetic or natural diamond, which are used in various industries, such as 842240 Crushing or grinding machines, 842489 Other machinery for working mineral substances, and 848610 Machines and apparatus for the manufacture of semiconductor devices or of electronic integrated circuits. These tools are essential for tasks that require precise material removal, surface finishing, and sharpening.

Revisions to 680421

Classification codes are adjusted frequently. The code may have been revised or replaced between system versions. The table below shows the history (newest to oldest) of the code 680421. The most recent 1 version of this code (680421) is in the HS v2022 system:

This page shows a legacy version of code 680421 ( HS v2017).

Family tree for millstones, grindstones, grinding wheels and the like; of agglomerated synthetic or natural diamond

    graph LR
    A["<a href='/classifications/hs/v2017/68'>68: Stone, plaster, cement, asbestos, mica or similar materials; articles thereof</a>"]
A --> B["<a href='/classifications/hs/v2017/6804'>6804: Millstones, grindstones, grinding wheels, etc without frameworks, for grinding, sharpening, polishing, etc and parts thereof, natural stone, agglomerated natural or artificial abrasives or of ceramics</a>"]
B --> C["<a href='/classifications/hs/v2017/680421'>680421: Millstones, grindstones, grinding wheels and the like; of agglomerated synthetic or natural diamond</a>"]

    B --> D["<a href='/classifications/hs/v2017/680410'>680410: Millstones and grindstones; for milling, grinding or pulping</a>"]
B --> E["<a href='/classifications/hs/v2017/680422'>680422: Millstones, grindstones, grinding wheels and the like; of other agglomerated abrasives or of ceramics</a>"]
B --> F["<a href='/classifications/hs/v2017/680423'>680423: Millstones, grindstones, grinding wheels and the like; of natural stone</a>"]
B --> G["<a href='/classifications/hs/v2017/680430'>680430: Stones; hand sharpening or polishing stones, of natural stone, agglomerated natural or artificial abrasives or ceramics, with or without parts of other materials</a>"]

    

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    classDef highlight color:#000,fill:#fff,stroke:#000,stroke-width:5px



  %% Apply classes
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class B level4
class C level6
class D level6
class E level6
class F level6
class G level6

  class C highlight

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  %% class B,C level2
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  %% class C highlight