PDC Drill Bit Cutter Blocks from Canada
Polycrystalline diamond compact (PDC) cutter blocks for insertion into drill bits of 8430.49 sinking machinery. Provide shear cutting for soft to medium formations in mining ops. Under 8431.43.80 as boring parts.
Duty Rate — Canada → 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 bit assembly blueprints showing cutter integration with 8430 machinery
• Specify backing material and brazing specs to distinguish from generic PDC inserts