Tricone Rock Roller Bit from Japan
Three-cone roller bit with tungsten carbide inserts for hard rock drilling. HTS 8207.19.60 covers as interchangeable rock tool for rigs. Used in water wells and mining.
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
• IADC bit code documentation essential
• Bearing type specifications