Vanadium Carbide Button Bit from Japan
Threaded button bit with vanadium-enhanced carbide inserts (>0.1% V) for top hammer rock drills in open-pit mining. HTS 8207.19.30 for alloyed wear surfaces in earth boring. Provides high impact resistance.
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
• Rockwell hardness tests validate vanadium alloy claims
• Mark shank size/thread for interchangeability proof
• Bulk ship without adapters to maintain tool status