M3.5x25mm A4-80 Socket Button Head Screw from Canada
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 — Canada → United States
16.2%
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
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