2.8 mm Lock Wire High Carbon from Canada
High-carbon 0.65% C round lock wire 2.8 mm diameter, uncoated, for safety wiring in aviation and aerospace. Prevents loosening of fasteners under vibration. HTS 7217.10.80.90: nonalloy round wire ≥1.5 mm, ≥0.6% carbon.
Duty Rate — Canada → United States
50%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) 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
• Aerospace Material Specification (AMS) 5688 or equivalent certification mandatory for airworthiness
• Stainless versions common; confirm nonalloy chemistry to avoid 7223 classification
• Galvanized versions exist; uncoated status must be verified by coating weight tests