Impregnated Diamond Bit for Coalbed Methane from Canada
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 — Canada → United States
12.9%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• End-use statements specifying CBM application support correct rock drilling classification
• Lower diamond concentration designs risk reclassification to carbide bits