1/2-13 UNC Heavy Hex Stud from Mexico
Heavy series hex shoulder steel stud, 1/2-inch with 13 threads per inch for oilfield and mining equipment. HTS 7318.15.50 applies to stud variants without slotted/phillips drives.
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
• Shoulder length must be specified; excessive may be 'step bolts'
• Oil/gas end-use documentation for potential Chapter 84 shift