Lapping Plate Dresser for Wafer Lappers
This automated dresser maintains the flatness of lapping plates in semiconductor wafer grinders and lappers, ensuring dimensional tolerances. It is a part suitable solely for machines of heading 84.64, which include grinding and lapping machines for hard materials. Therefore, 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 dresser is for machines of heading 84.65 (e.g., woodworking machines)
Parts for heading 84.65 machines are classified under a separate subheading.
If the dresser performs a specific function other than as a part of a 84.64 machine
Machines with a specific function not covered elsewhere are classified in heading 84.79.
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
• Present the dresser as a separate part, not as a complete machine, to qualify under this tariff item
• Be prepared to show that the dresser is solely for use with heading 84.64 lappers or grinders
• Verify if the dresser's control system affects classification under Chapter 85
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.
Cast Iron Chip Pan for Machining Center
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
A rough cast iron plate for mounting electrical enclosures on grinding machine frames under heading 84.64, with fin removal machining only. It supports control boxes safely and is oversized for custom cutouts, remaining unfinished.
Cast Iron Gib Strip Blank for Machine Slides
Rough cast iron blanks for gib strips used in slideways of heading 84.64 grinders, with gate removal and edge cleanup machining only. These provide adjustable wear surfaces for precise table movement and are supplied oversized for final fitting.