HQ Diamond Impregnated Core Bit from China
HQ-size (3-7/8 inch) diamond impregnated core bit with tungsten carbide matrix for wireline coring in mineral exploration. Classified HTS 8207.19.30.60 for core bits with tungsten content over 0.2%. Optimized for fractured hard rock recovery.
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
• Include wireline coring system compatibility specs to confirm rock drilling classification
• Verify diamond concentration and matrix alloy certification
• Prevent misclassification as gemstone cutting tools