Molybdenum-Enhanced DTH Hammer Bit from Mexico
Down-the-hole (DTH) hammer drill bit with molybdenum-alloyed (over 0.2%) tungsten carbide buttons for percussion drilling in quarrying. Falls under HTS 8207.19.30 for the high-alloy cutting part providing impact toughness. Suited for hard rock blasting hole creation.
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
• Submit alloy certificates; DTH bits often scrutinized for exact metal content
• Declare as 'percussive rock tools' to avoid confusion with rotary-only bits
• Watch for anti-dumping duties on certain carbide tools from specific countries