3/8-16 UNC Grade 5 Hex Cap Screw 4 Inch from Mexico
Imperial Grade 5 medium carbon steel hex head cap screw, 3/8 inch (9.5mm) diameter, 16 TPI UNC thread, 4 inches long for automotive and general machinery. Fully threaded with chamfered point. HTS 7318.15.80.66 applies to this US-standard cap screw over 6mm diameter.
Duty Rate — Mexico → United States
58.5%
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 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; patented pharmaceutical articles; and semiconductor articles, as provided in subdivision (f) of U.S. note 52 to this subchapter
Import Tips
• Specify UNC/UNF clearly; metric equivalents can confuse examiners without diagrams
• Grade 5 proof load testing docs required for structural claims