Tin-Zinc Alloy Coated Lock Wire 1.45 mm from Mexico
High-carbon (0.68%) nonalloy steel round wire 1.45 mm diameter, coated with tin-zinc alloy for aircraft safety wiring. Precisely matches HTS 7217.30.45.60: carbon content, base metal plating, size criteria. Aviation-grade lockwire prevents fastener loosening.
Duty Rate — Mexico → 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
• Aerospace wire needs traceability docs linking to carbon specs and plating uniformity
• Measure diameter at multiple points; aviation tolerances are tighter than tariff definitions