Pan Head Self-Tapping Screws M4 from Mexico
M4 (4 mm) pan head self-tapping screws in zinc-plated steel for general metal-to-metal fastening. Under HTS 7318.14.10 for small-diameter self-tappers. Common in electrical enclosures and machinery guards.
Duty Rate — Mexico → United States
56.2%
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
9903.03.060%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
• Note plating type (zinc) but confirm base is iron/steel for Chapter 73 eligibility
• Use calibrated tools for diameter verification during pre-shipment inspection
• Avoid generic 'screw' labeling; specify 'self-tapping pan head M4'