Semiconductor Wafer Edge Grinder Wheel
A diamond-impregnated edge grinding wheel used to bevel and round the edges of semiconductor wafers after slicing, preventing chipping during handling and processing. It is a part of wafer grinding equipment, classified under this tariff item as parts of machinery for cleaning or finishing textile yarns or fabrics, per the statistical notes for semiconductor 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 wheel is presented as an interchangeable tool for a machine tool
Interchangeable tools for machine tools are classified in heading 84.66, not as parts of textile machinery.
If the wheel is made of agglomerated abrasives and is a complete grinding wheel
Grindstones and grinding wheels of agglomerated abrasives are classified in Chapter 68, which is excluded from Chapter 84 by Note 1(a).
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 wheel is declared as a part of wafer preparation machinery, not as a tool of Chapter 82, to avoid misclassification
• Provide a detailed product description and end-use statement to the CBSA to support the classification under 8451.90.90
• Verify whether the Most-Favoured-Nation (MFN) duty rate applies or if a preferential tariff under a free trade agreement is available
Related Products under Tariff item 8451.90.90
Amana Washer Inlet Valve
A dual solenoid water inlet valve for Amana household washing machines, controlling water flow for textile cleaning. It is a critical hydraulic part for laundry equipment, classified under this tariff item as a part of washing machines of heading 84.50.
Bosch Dry-Clean Door Latch Assembly
A safety door interlock latch for Bosch compact dry-cleaning units handling made-up textiles, preventing operation without secure door closure. It is a part of dry-cleaning machinery, classified under this tariff item for machines of heading 84.51.
Crystal Boule Flattener Attachment
A precision flattener tool attachment for grinding flats on semiconductor crystal boules to indicate resistivity and dopant type. This product is a part of machinery used in semiconductor manufacturing, which falls under heading 84.86, not under heading 84.51 for textile machinery. Therefore, it does not belong under tariff item 8451.90.90.
Crystal Grinder for Semiconductor Boules
A precision crystal grinder for grinding semiconductor crystal boules to exact diameters and flats. This machinery is used in semiconductor manufacturing and is classified under heading 84.86, not under heading 84.51 for textile machinery. It is not a part of textile drying or finishing machines, so it does not fall under tariff item 8451.90.90.
Crystal Ingot Notcher Blade
An ultra-thin diamond notcher blade for creating orientation notches on semiconductor crystal ingots before slicing. This is a part of semiconductor manufacturing equipment under heading 84.86, not textile machinery. It does not belong under tariff item 8451.90.90.
Czochralski Crystal Puller Heating Element
A graphite or molybdenum heating element part for Czochralski crystal growers producing monocrystalline silicon boules. This is a part of semiconductor manufacturing equipment under heading 84.86, not textile machinery. It is not a part of textile drying or finishing machines, so it does not fall under tariff item 8451.90.90.