High Torque Rotary Rock Bit from Canada
Heavy-duty rotary rock bit with chrome-moly tungsten carbide cutting structure (over 0.2% chromium and tungsten) for high-torque drilling rigs. Falls under HTS 8207.19.30.60 as specified alloy rotary drill bit. For large diameter blast hole drilling.
Duty Rate — Canada → United States
15%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Torque rating and connection specs essential for customs description
• Dual alloy certification (Cr + W) required
• Distinguish from mining machine cutter heads