Vanadium Carbide Button Bit from Mexico
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 — Mexico → United States
15%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Rockwell hardness tests validate vanadium alloy claims
• Mark shank size/thread for interchangeability proof
• Bulk ship without adapters to maintain tool status