Phosphor Bronze Bushings for Wafer Slicing Saw from China

Phosphor bronze (copper-tin alloy) precision bushings for spindle support in wafer slicing saws of heading 8426. Critical for maintaining alignment when slicing monocrystalline boules into wafers. Under 8431.49.90.92 as copper alloy parts for semiconductor wafer prep machinery.

Duty Rate — China → United States

35%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]

Import Tips

Dimensional tolerances specs prove suitability solely for wafer saw spindles

Avoid declaring as 'bearings'; HTS distinguishes plain bushings from ball/roller types