Impregnated Diamond Bit for Coalbed Methane from Japan
Specialized impregnated diamond bit optimized for coalbed methane (CBM) and soft formation directional drilling. Classified HTS 8207.19.60.65 for diamond working part rotary rock drill bit. High diamond concentration prevents balling in sticky formations.
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
• End-use statements specifying CBM application support correct rock drilling classification
• Lower diamond concentration designs risk reclassification to carbide bits