Precision Timing Gear Set from Canada
Matched helical or spur gears with exact tooth timing for camshaft drives and indexing tables. Classified HTS 8483.40.90.00 as specialized transmission gearing. Laser-marked timing indicators ensure phase accuracy within 1 arcminute.
Duty Rate — Canada → United States
27.5%
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
• Provide timing verification certificates and phase angle measurements for customs review
• Specify accumulated positioning error specs (<5 arcminutes typical) confirming precision gearing
• Import matched sets together to maintain timing relationship integrity