Molybdenum-Enhanced DTH Hammer Bit from China
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 — China → United States
40%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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