HQ Diamond Impregnated Core Bit from Canada
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 — Canada → United States
15%
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
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