Cast-Iron Wafer Grinder Wheelhead Casting from China
Cast-iron wheelhead casting designed for wafer grinders in semiconductor manufacturing (machines of 8461), with only cleaning and minimal machining for fins/gates removal. Essential for holding grinding wheels during wafer surface preparation per statistical note. HTS 8466.93.15.60 covers this unfinished state.
Duty Rate — China → United States
37.5%
Rate breakdown
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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Reference statistical note (a)(ii)(C) in entry docs to link to wafer grinding apparatus
• Ensure no surface finish applied; photos of as-cast state help prove classification
• Avoid mixing with finished semiconductor parts shipments to prevent tariff averaging issues