Pneumatic Crystal Grinder from China
A handheld pneumatic tool used to grind semiconductor crystal boules to precise diameters and flats indicating conductivity type and resistivity. It falls under HTS 8467.89.50.90 as a pneumatic hand tool for semiconductor material processing. Designed for high-precision work in wafer manufacturing.
Duty Rate — China → United States
17.5%
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
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 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(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
Import Tips
• Verify tool meets semiconductor processing specs per statistical notes; include manufacturer certifications for boule grinding use
• Watch for misclassification as Chapter 90 optical apparatus
• Ensure pneumatic components comply with pressure vessel regulations