Underreamer Tool from Japan
Expandable cutting tool used to enlarge wellbore diameter below the main hole in oil/gas drilling operations. Covered under HTS 8430.49.8020 as other boring machinery for gas field applications.
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
• Document cutter size range and expansion mechanism; comply with API cutter hardness specs; clearly mark as complete operational units