OptoTech Ultrasonic Precision CNC Metal Polisher from Japan
Numerically controlled ultrasonic polisher specialized for finishing metal surfaces in semiconductor mold production. Uses ultrasonic cavitation with diamond slurry for mirror-like surface quality on hardened steel. HTS 8456.20.1010 classification applies to its ultrasonic metal material removal process.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include polishing rate data and surface roughness specs (Ra values) to demonstrate material removal function
• Avoid describing as 'cleaning equipment' in docs, as this shifts classification away from machine tools
• For EU imports, ensure Machinery Directive compliance documentation is complete