Wafer Grinder Vacuum Chuck
A porous ceramic vacuum chuck that holds semiconductor wafers during back grinding to ultra-thin dimensions on heading 84.26 grinders. This principal part for listed machinery subheadings is classified under tariff item 8431.49.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | +15.0% | 15% |
| 🇩🇪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 chuck is a part of a machine-tool of heading 84.56 to 84.65
Parts for machine-tools are classified under heading 84.66 when they are for machines of that group.
If the chuck is made of ceramic and presented as a separate article
Ceramic articles for technical uses are classified under heading 69.09 if not identifiable as machine parts.
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 chuck is declared as a part of wafer grinders under heading 84.26
• Provide documentation showing its porous ceramic composition and specific design for semiconductor applications
• Check if the chuck is subject to any anti-dumping duties on ceramic products
Related Products under Tariff item 8431.49.00
Bag Filling Machine Nozzle
A precision spout nozzle for automatic bag filling machines, designed to control product flow into sacks. It is a part suitable for use solely or principally with machinery of heading 84.26, specifically bag fillers and shippers. The quick-change design and anti-drip valve enhance operational efficiency.
boule Slicing Coolant Manifold
A stainless steel manifold that distributes coolant to the diamond wire during silicon boule slicing on overhead travelling cranes (heading 84.26). This fluid distribution part is specific to semiconductor wafer preparation machinery and is classified under tariff item 8431.49.00 as a part suitable for use solely or principally with the machinery of headings 84.25 to 84.30.
Bulk Shipper Dust Seal
An inflatable dust seal for bulk product shippers under heading 84.26, preventing spillage during loading operations. It is a part suitable for use solely or principally with such machinery. The pneumatic operation ensures a tight fit within the vessel.
Bulk Weigher Hopper
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Container Crane Truck Twistlock Mount
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