GF Machining Solutions Mikron HSM 400 Thread Mill from Mexico
High-speed milling machine specially tooled for micro-threads in precision components using single-crystal diamond cutters. Falls under 8459.70.80.80 as other threading machinery removing metal for fine pitches. Used in watchmaking and electronics.
Duty Rate — Mexico → United States
14.2%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Special tooling documentation critical to prove micro-threading capability vs. general milling
• Vibration isolation specs important for high-speed classification validation
• Precision machines often require additional NIST traceability certification