Crystal Boule Grinder from Germany
Crystal boule grinders precisely grind semiconductor crystal boules to exact diameters and flats indicating conductivity, classified as accessories for 8445 fiber prep machines in HTS 8448.32.0090. It supports wafer manufacturing by preparing boule dimensions like textile fiber processing tools.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Label with precise tolerances (e.g
• flat grinding for resistivity indication) for customs
• Pair with 8445 machine serial numbers in entry docs for principal use proof