Halco 400 Series DTH Hammer Bit from China
Halco 400 Series down-the-hole (DTH) percussion rock drill bit for 4-inch hammers in water well and mining applications. Convex gauge buttons with tungsten carbide over 0.2% provide face cleaning and stability. HTS 8207.19.3030 applies to its percussion design and alloyed cutting part.
Duty Rate — China → United States
42.5%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 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
• Certify as 'DTH percussion type' vs rotary to prevent misclassification; common issue with mixed shipments
• Provide drilling speed specs for end-use verification
• Ensure no contamination with heading 8215 articles