Toroidal Stacked Transformer Core Blank from Canada
Pre-cut and stacked ring-shaped silicon steel laminations forming toroidal cores for audio and power transformers. These require final winding but provide precise magnetic paths. Classified as stacked cores under HTS 8504.90.96.38.
Duty Rate — Canada → United States
10%
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
Import Tips
• Inner/outer diameter tolerances and stack density specs prove toroidal transformer suitability
• Avoid tape-binding laminations, as permanent assembly shifts to other part categories
• Audio-grade cores may face different valuation; separate from power cores in declarations