1-8 UNC Self-Opening Die Head
A compact self-opening die head designed for cutting 1-inch 8 UNC threads on Swiss-type CNC lathes and screw machines. It features a quick-change chaser system that reduces setup time, and is specifically designed for automatic thread cutting operations. This product falls under tariff item 8466.10.00 as a self-opening diehead used with machine tools of headings 84.56 to 84.65.
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 product is presented as a work holder rather than a tool holder
Work holders are classified separately from tool holders under the same heading.
If the die head includes interchangeable cutting inserts
Interchangeable tools for machine tools are classified in heading 82.07.
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 die head is declared as a self-opening diehead for machine tools, not as a cutting tool
• Verify the country of origin to determine if a preferential tariff rate applies under a free trade agreement
• Keep documentation showing the machine tool it is designed for, as the CBSA may request proof of principal use
Related Products under Tariff item 8466.10.00
2" Self-Opening Circular Die Head
A precision 2-inch capacity self-opening die head for production threading of pipes and fittings on multi-spindle automatic lathes. It features adjustable lead angles and rapid open/close via cam actuation, making it suitable for high-volume threading operations. This product is classified under tariff item 8466.10.00 as a self-opening diehead for machine tools.
BT40 Tapered Tool Holder
A BT40 tapered shank tool holder for high-precision retention of cutting tools in vertical machining centers. It provides pull-stud retention and high runout accuracy, essential for aerospace and automotive machining applications. This product is classified under tariff item 8466.10.00 as a tool holder for machine tools of heading 84.61.
Carbide Forming Die Tool Holder for Press Brakes
A precision carbide tool holder engineered for securing forming-type dies in hydraulic press brakes of heading 84.62. It features a quick-change mechanism for punch and die sets used in sheet metal bending. This product is classified under tariff item 8466.10.00 as a tool holder for machine tools.
CAT50 V-Flange Tool Holder
A CAT50 V-flange tool holder for large horizontal machining centers handling parts up to 5 tons. It provides a 7:24 taper contact and high torque transmission for heavy roughing operations. This product is classified under tariff item 8466.10.00 as a tool holder for machine tools of heading 84.61.
Die Clamp Holder for Hydraulic Forming Presses
A heavy-duty die clamp tool holder for securing large forming dies in hydraulic presses of heading 84.62. It features a hydraulic clamping mechanism for automotive panel dies. This product is classified under tariff item 8466.10.00 as a tool holder for machine tools.
ER32 Collet Chuck Tool Holder
A precision ER32 collet chuck designed to hold end mills and drills securely in CNC milling machines of heading 84.61. It features a tapered shank for direct mounting on machine spindles and ensures accurate tool positioning. This product is classified under tariff item 8466.10.00 as a tool holder for machine tools.