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

HS v2022 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, sharpening, and polishing applications across various industries. These agglomerated synthetic or natural diamond tools are essential for precision machining, stone cutting, and other specialized manufacturing processes. As a key component in the production of many finished goods, the 680421 industry plays a vital role in supporting the broader economy.

Production process

The production of 680421 items typically involves the agglomeration of synthetic or natural diamond particles with a bonding agent, such as resin or metal. This mixture is then shaped and molded into the desired form, such as wheels, discs, or blocks. The final products undergo various finishing steps, including truing, balancing, and polishing, to ensure consistent quality and performance.

Production inputs

The main inputs for the 680421 industry include raw diamond materials, both synthetic and natural, as well as bonding agents like resins and metals. Specialized machinery, such as molding presses and grinding equipment, are also essential for the manufacturing process. Additionally, the industry relies on a skilled workforce capable of operating these specialized production tools and techniques.

Production outputs

The primary outputs of the 680421 industry are a diverse range of abrasive tools and products, including 680421 Millstones, grindstones, grinding wheels and the like; of agglomerated synthetic or natural diamond. These items are widely used in industries such as 820713 Tools for working in the hand, pneumatic, hydraulic or with self-contained electric or non-electric motor, 842240 Crushing or grinding machines, and 842490 Parts of machinery for working mineral substances, among others.

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 version):

This page shows the most recent version of code 680421.

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

    graph LR
    A["<a href='/classifications/hs/v2022/68'>68: Stone, plaster, cement, asbestos, mica or similar materials; articles thereof</a>"]
A --> B["<a href='/classifications/hs/v2022/6804'>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/v2022/680421'>680421: Millstones, grindstones, grinding wheels and the like; of agglomerated synthetic or natural diamond</a>"]

    B --> D["<a href='/classifications/hs/v2022/680410'>680410: Millstones and grindstones; for milling, grinding or pulping</a>"]
B --> E["<a href='/classifications/hs/v2022/680422'>680422: Millstones, grindstones, grinding wheels and the like; of other agglomerated abrasives or of ceramics</a>"]
B --> F["<a href='/classifications/hs/v2022/680423'>680423: Millstones, grindstones, grinding wheels and the like; of natural stone</a>"]
B --> G["<a href='/classifications/hs/v2022/680430'>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>"]

    

    %% Color coordination by level

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    classDef level3 color:#000,fill:#419d78,stroke:#333,stroke-width:1px
    classDef level4 color:#000,fill:#c04abc,stroke:#333,stroke-width:1px
    classDef level5 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef level6 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef highlight color:#000,fill:#fff,stroke:#000,stroke-width:5px



  %% Apply classes
  class A level2
class B level4
class C level6
class D level6
class E level6
class F level6
class G level6

  class C highlight

  %% class A level1
  %% class B,C level2
  %% class D,E,F,G,H,I level2
  %% class J,K,L,M,N,O,P level3
  %% class C highlight