PDC Drill Bit Cutter Blocks from Mexico
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 — Mexico → United States
25%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16, 9903.82.20–9903.82.26 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) and (xi) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Include bit assembly blueprints showing cutter integration with 8430 machinery
• Specify backing material and brazing specs to distinguish from generic PDC inserts