Non-Magnetic Copper Roller Balls for Wafer Grinding Machine Spindles from United States
Copper alloy balls engineered for non-magnetic properties in high-speed spindles of wafer grinders that process crystal boules to precise diameters for semiconductor wafers. These balls are classified under tariff item 8482.91.00 as bearing balls.
Duty Rate — United States → Canada
0%
Import Tips
• Document the non-magnetic properties and precision grade for classification
• Verify the balls meet bearing tolerances
• Consider whether the goods qualify for duty-free entry under trade agreements