Crystal Grinder Coolant Nozzle Assembly from China
Adjustable nozzle manifold delivering coolant to diamond wheels during semiconductor boule grinding operations. HTS 8431.49.10.80 part for heading 8426 crystal grinders ensuring thermal stability.
Duty Rate — China → United States
50%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16, 9903.82.20–9903.82.26 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) and (xi) of U.S. note 16 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]
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Specify coolant flow rates and pressure ratings; provide mounting compatibility with specific grinder models; avoid general machine shop classification