Wafer Slicing Diamond Saw
A high-precision inner-diameter saw with a diamond blade for slicing ultra-thin wafers from monocrystalline semiconductor boules. It is classified under tariff item 8466.30.00 as a special attachment dedicated to semiconductor wafer manufacturing.
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 saw is a complete machine for working semiconductor materials
Complete machines for working stone or mineral materials fall under heading 84.64, while 8466.30.00 covers attachments.
If the saw is specifically designed for semiconductor wafer manufacture and presented as a complete machine
Machines for the manufacture of semiconductor devices are classified in heading 84.86.
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 saw is presented as an attachment for machines of headings 84.56 to 84.65, not as a standalone machine
• Provide technical specifications showing its specialized function for semiconductor boules
• Check for any applicable trade agreement benefits
Related Products under Tariff item 8466.30.00
Angle Head Attachment for Machining Centers
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.