Aluminum Machine Screws 10-32 from Mexico
Fine-thread 10-32 UNC aluminum machine screws for precision electronics assembly, alloy construction for corrosion resistance. Classified in HTS 7616.10.90.30 as threaded aluminum fasteners of the screw type. Predominant aluminum per subheading note (b).
Duty Rate — Mexico → United States
16%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide UNC/metric thread certification; ensure no steel plating
• Pitfall: small sizes mistaken for Chapter 83 haberdashery
• Use NAFTA/USMCA cert if alloy qualifies for preferences