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2.8 mm Lock Wire High Carbon from China

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 — China → United States

75%

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
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter
9903.03.060%Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter

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