Grade 5 Tungsten Carbide Bearing Balls from Canada
Ultra-hard tungsten carbide balls (Grade 5 precision) for roller bearings in wafer slicing saws, providing durability against abrasive semiconductor materials like silicon boules. HTS 8482.91.0030 covers these as 'other' balls not fitting standard categories, suited for high-wear semiconductor processing equipment.
Duty Rate — Canada → United States
14.4%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include hardness (e.g
• HRA 90+) and ISO 3290 grading proofs; segregate from lower-grade balls to prevent downclassification; comply with REACH for alloyed metals