Rough Miners' Diamonds for PDC Drill Bits from Mexico
Unworked miners' diamonds selected for polycrystalline diamond compact (PDC) cutting tools in drilling operations. HTS 7102.21.10.20 applies to these simply cleaved natural diamonds unsuitable for gem use due to inclusions and color. Essential for high-pressure oilfield drilling equipment.
Duty Rate — Mexico → United States
10%
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 end-use statements certifying industrial application to prevent misclassification as gem material
• Use ISED grading for industrial diamonds to document sieve size compliance if powdered form considered
• Bundle shipments under master KP certificate but provide parcel-level weights for accurate duty calculation