Motor Mounting Flange for Float Zone Crystal Pullers
This custom flange mounts rotation motors in float zone crystal pullers or grinders for semiconductor boule preparation. It is a part suitable solely for machines of heading 84.64, which include grinding machines for hard materials. As a part for those machines, it is classified under tariff item 8466.91.00.
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 flange is a part of an electric motor itself
Parts suitable solely for electric motors are classified in heading 85.03.
If the flange is a general transmission component not specific to 84.64 machines
General transmission parts are classified in heading 84.83.
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 flange is not classified as a general motor part, which would fall under heading 85.03
• Provide evidence that the flange is solely for heading 84.64 machines
• Verify if the flange's material (e.g
• cast iron) affects classification under Section XV
Related Products under Tariff item 8466.91.00
Boule Alignment Fixture for Crystal Slicers
This fixture aligns crystal boules in slicing saws to ensure uniform wafer thickness during semiconductor production. It is a special attachment designed solely for machines of heading 84.64, which cover sawing or grinding machines for working stone, ceramics, or similar hard materials. As such, it is classified under tariff item 8466.91.00 as a part or accessory for those machines.
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A rough cast iron chip pan designed to collect metal chips and coolant during machining operations on machines of heading 84.64. It is cleaned and machined only to remove risers and locate for custom drain integration, making it an unfinished part suitable for further finishing after import.
Cast Iron Column Housing for Vertical Machining Center
A cast iron housing for the vertical column of machining centers under heading 84.64, cleaned and machined only for gate/riser removal and assembly location. This structural part supports the spindle assembly and is supplied unfinished for further processing.
Cast Iron Coolant Trough Rough Casting
A rough cast iron trough for collecting coolant in machines of heading 84.64, machined only for sprue removal and base locating pads. It prevents thermal damage during grinding by channeling fluids and remains unfinished for custom integration.
Cast Iron Electrical Box Mounting Plate Rough
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