Precision 4mm Sapphire Bearing Balls from United States
Precision 4mm sapphire bearing balls are made of synthetic sapphire and used in ultra-precision bearings for semiconductor testing polishers. Their extreme hardness and wear resistance make them ideal for high-accuracy device processing equipment. They are classified as 'other' balls under this tariff item for ball bearings.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the sapphire balls are synthetic, as natural precious stones are excluded from Chapter 84 by Section XVI Note 1(f)
• Have documentation proving the synthetic origin and bearing application
• Confirm whether the goods are subject to any anti-dumping or countervailing measures