Semiconductor Wafer Slicing Saw Tool Holder
A special tool holder attachment for wafer slicing saws that cut monocrystalline boules into thin semiconductor wafers. It qualifies as a special attachment for machines of heading 84.64, which includes saws for working stone, ceramics, and similar materials, and is classified under tariff item 8466.30.00.
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 item is a tool holder for use with any machine tool
Tool holders for any type of tool for working in the hand are classified in heading 84.66, but subheading 8466.10 covers tool holders specifically.
If imported as part of a complete wafer slicing machine
Machines for the manufacture of semiconductor wafers fall under heading 84.86, and the tool holder may be classified as a part of that machine.
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
• Classify the tool holder under 8466.30.00 only if it is a special attachment for the slicing saw; if it is a general tool holder, it may fall under heading 84.66 as a work holder
• Have documentation ready to prove the item's sole or principal use with machines of headings 84.56 to 84.65
• Verify if the item qualifies for duty-free treatment under a free trade agreement
Related Products under Tariff item 8466.30.00
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An angle head special attachment for machining centers that redirects spindle axis to 90 degrees, enabling access to undercuts and deep cavities without repositioning. It is a special attachment for machines of headings 84.56 to 84.65.
Automatic Pallet Changer Interface
A special attachment interface kit for horizontal machining centers enabling unmanned 8-pallet changes. It is a special attachment for machines of headings 84.59 to 84.61, which include machining centers for working metal, and is classified under tariff item 8466.30.00.
Band Saw Resaw Guide Attachment
A precision-machined aluminum guide that mounts to band saws for straight, tall resawing cuts in lumber, stabilizing the workpiece vertically. It is a special attachment for woodworking machines of heading 84.65.
Boule Diameter Grinder Indexing Head
An indexing head attachment for grinders that achieve precise boule diameters for standard wafer sizes (e.g., 300mm). It is classified under tariff item 8466.30.00 as a special attachment for wafer preparation equipment.
CNC Dividing Head for Milling Machines
A precision dividing head designed for CNC milling machines, enabling accurate angular indexing and rotation of workpieces for machining complex geometries like gears and splines. It is a special attachment for machines of headings 84.56 to 84.65, specifically for dividing heads.
CNC Machine Rotary Table Attachment
A precision rotary table designed as a special attachment for CNC milling machines in headings 84.59 to 84.61, enabling 4th axis machining by rotating the workpiece during operation. It is classified under tariff item 8466.30.00 as a dividing head or special attachment.