Marine Grade Copper Wood Dock Screws from Canada
High-purity copper screws for marine dock construction, resistant to saltwater corrosion when fastening pressure-treated wood pilings. HTS 7415.33.0500 covers these as copper wood screws per their specialized coarse threading.
Duty Rate — Canada → United States
13%
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
• Obtain ASTM B152 copper certification to prove material meets pure copper standards
• Declare environmental exposure use case to support wood screw functionality claim
• Check for quota restrictions on unwrought copper that may affect screw production sourcing