Molybdenum-Enhanced DTH Hammer Bit from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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