Semiconductor Glass Wafer Grinder
A precision grinder that prepares quartz and borosilicate glass wafers for semiconductor masking and testing. This high-tech application of glass cold working achieves sub-micron tolerances. It is classified under tariff item 8464.20.00 as a grinding machine for cold working glass.
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 machine is used in the manufacture of semiconductors and performs functions beyond glass grinding
Machines for the manufacture of semiconductors are classified under heading 84.86.
If the machine performs other operations on glass wafers
Other machine-tools for working glass may be classified under heading 84.64.
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 machine is for glass wafers, not for semiconductor materials like silicon
• Have documentation showing the machine's precision capabilities and cold working function
• Check if the machine qualifies for any duty relief programs for semiconductor manufacturing equipment
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