Micrometer Spindle Lock Nut from Mexico
Precision lock nut for micrometer spindles (9017.20.40), securing position after measurement for transfer or recording. Threaded for exact fit on standard models. Falls under parts for these length-measuring hand tools.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document thread pitch (e.g
• 0.5mm) and material (tool steel) to prove specificity
• Pair with spindle photos to show inseparable design
• Beware AD/CVD on fasteners if undervalued