Cobalt Balls from Japan

Precision ground cobalt balls for bearings and valves in corrosive environments. Under HTS 8105.90.00.00 as other cobalt articles, high sphericity. Alternative to tungsten carbide.

Duty Rate — Japan → United States

3.7%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

Import Tips

Roundness tolerance specs confirm finished balls vs. rough spheres

Sold individually vs sets affects packaging classification

Size grading prevents bulk metal powder reclassification