Castle Nuts 1/2-13 from Mexico
Slotted castle nuts with 1/2-13 UNC threads and drilled for cotter pin retention in machinery pivots. Steel with protective finish; HTS 7318.16.0085 'other' nuts. Prevents loosening under vibration.
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
• Hole location tolerance certification
• Cotter pin compatibility verification
• Aviation grades require additional approvals