Wafer Lapping Machine Tension Winch from Japan
Tension winch for maintaining pressure in wafer lappers that achieve flatness tolerances for semiconductor fabrication. Classifies in HTS 8431.10.0010 as part of 8425.11 winch machinery, statistical note (a)(ii)(C).
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 flatness tolerance specs (e.g
• <1 micron) in import docs
• Pair with lapping plate certification for complete classification support