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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• End-use statements specifying CBM application support correct rock drilling classification
• Lower diamond concentration designs risk reclassification to carbide bits