Wafer Slicing Saw Stationary Guide Blade from China
Stationary guide blade for inner diameter wafer slicing saws that cut monocrystalline semiconductor boules into thin wafers, ensuring precise kerf and flatness. Falls under HTS 8406.90.70.00 as a stationary blade component of vapor turbine-driven saws in wafer preparation equipment per statistical note (a)(ii)(B). Critical for minimizing wafer defects in semiconductor fabrication.
Duty Rate — China → United States
35%
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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 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(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Submit slicing tolerance data (<1 micron) and boule diameter compatibility (up to 450mm) to validate wafer prep classification
• Pair with statistical note certification; require supplier affidavits confirming semiconductor-only use