Spline Shaft Coupling for Wafer Polisher from Canada
High-precision spline coupling connecting drive motor to polishing platen in semiconductor wafer polishers, transmitting torque without slippage.
Duty Rate — Canada → United States
27.8%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16, 9903.82.20–9903.82.26 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) and (xi) 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
• Torque rating and spline geometry specs required
• Cleanroom vibration isolation design documentation