Grade 3 Tungsten Carbide Balls from Canada
Ultra-precision Grade 3 tungsten carbide balls (0.08μm sphericity) for bearings in high-RPM wafer slicing saws. Essential for maintaining cut parallelism in semiconductor wafers. HTS 8482.91.0090 other balls.
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
• Provide Grade 3 deviation certificates; comply with conflict minerals reporting for tungsten; use carbide-specific handling equipment