Carbide Machine Threading Die 1/4-20 UNC
A solid carbide circular die for external threading on bolts and rods, compatible with lathes and threading machines. Ideal for high-precision, high-volume production in automotive and aerospace industries. Falls under 8207.40.60.00 as an interchangeable tool for threading operations.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified as tools for tapping (internal threads only)
Distinction between taps (internal) and dies (external) may affect specific subheadings within tapping/threading.
If for hand-operated adjustable open dies used manually
Hand tools like adjustable pipe dies are separated from machine-interchangeable threading tools.
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Import Tips & Compliance
• Provide material certificates confirming carbide composition to support classification and duty assessment
• Label packages with thread specifications (e.g
• UNC, pitch) and machine compatibility for smooth CBP review
• Avoid classifying as adjustable dies if fixed geometry, which could lead to incorrect subheading
Related Products under HTS 8207.40.60.00
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Collapsible Threading Die M20 x 2.5
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HSS Threading Tap Set M6-M12
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