High Torque Rotary Rock Bit from Japan
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 — 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
• Torque rating and connection specs essential for customs description
• Dual alloy certification (Cr + W) required
• Distinguish from mining machine cutter heads