Wafer Slicing Diamond Wire Guide
A precision ceramic or carbide guide roller for diamond wire saws (heading 84.26) that slice silicon boules into thin wafers during semiconductor preparation. This part qualifies for tariff item 8431.49.00 due to its sole use in machinery of subheadings 84.26.11/19/30.
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 guide is presented as a part of a bearing
Parts of bearings are classified under heading 84.82 when identifiable as such.
If the guide 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 guide roller is declared as a part of diamond wire saws under heading 84.26
• Provide evidence of its ceramic or carbide composition and specific design for semiconductor applications
• Check if the guide is subject to any import permits for carbide 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
A stainless steel hopper for bulk weighers under heading 84.26, funneling materials into weighing chambers for accurate batching. It is a part suitable for use solely or principally with such machinery. The hopper is designed for durability and precise material flow.
Container Crane Truck Twistlock Mount
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Container Stacker Control Cabinet
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