Tungsten Carbide Bearing Rollers from Canada
Small tungsten carbide cylindrical rollers for precision roller bearings in wafer slicing saw spindles. These provide extreme hardness for high-speed cutting of monocrystalline semiconductor boules. Classified as 'other' rollers under 8482.91.0090 for bearing parts.
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
• Document carbide composition and Rockwell hardness for classification; ensure rollers meet ISO 3290 precision grades; check for ITAR restrictions on tungsten materials