Boule Handling Vacuum Chuck from Mexico
Vacuum chuck for secure handling of crystal boules during grinding operations. HTS 8431.39.0080 as part of 8428 crystal grinders. Prevents slippage with porous ceramic vacuum surface.
Duty Rate — Mexico → United States
15%
Rate breakdown
9903.82.1015%Except as provided for in headings 9903.82.12, 9903.82.17 and 9903.85.68, derivative aluminum and steel articles with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 15 percent, as provided for in subdivision (f) 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 vacuum pressure and porosity grade for boule size range
• Avoid general chucks under 8466
• Cleanroom ESD compliance required