Wafer Edge Grinder Roller Assembly from Japan
Diamond roller assembly for beveling/rounding wafer edges to prevent chipping during handling and processing. For semiconductor wafer grinder equipment of heading 8430. Classifies 8431.49.90 other.
Duty Rate — Japan → United States
15%
Rate breakdown
9903.82.2215%Derivative steel articles the product of Argentina, Ecuador, El Salvador, Guatemala, Japan, the Republic of Korea, Liechtenstein, Switzerland, Taiwan, the United Kingdom, or a member nation of the European Union, as provided for in subdivision (c)(xi) of U.S. note 16 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 edge profile (1-5° bevel) and wafer diameter range
• Cleanroom particle specs mandatory
• Common error: abrasives under Chapter 68