M3.5x25mm A4-80 Socket Button Head Screw from China
A4-80 (316) stainless socket button head screw, M3.5 diameter under 6 mm, with low-profile domed head for aesthetic fastening. Classified HTS 7318.15.60.10 for stainless socket screws with small threads. Used in architectural hardware and appliances.
Duty Rate — China → United States
41.2%
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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Button head distinguishes from cap head; specify head style in entry docs
• Passivation certification required for A4 marine-grade corrosion resistance
• Avoid mixing with non-socket screws in same shipment to prevent commingling