Boule Diameter Grinder Indexing Head
An indexing head attachment for grinders that achieve precise boule diameters for standard wafer sizes (e.g., 300mm). It is classified under tariff item 8466.30.00 as a special attachment for wafer preparation equipment.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the indexing head is classified as a part rather than an attachment
Parts for machines of headings 84.56 to 84.65 may fall under 8466.93.00, but attachments are specifically covered by 8466.30.00.
If the indexing head is presented as part of a complete semiconductor manufacturing machine
Heading 84.86 covers machines for the manufacture of semiconductor devices, including their attachments when presented together.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the indexing head is presented as an attachment for machines of headings 84.56 to 84.65
• Provide technical specifications showing its specialized function for semiconductor boules
• Check for eligibility under Canada's tariff preference programs
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