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
53%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.05.900%Articles of aluminum, of steel or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; patented pharmaceutical articles; and semiconductor articles, as provided in subdivision (f) of U.S. note 52 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