1/4-Inch Aluminum Lag Screws from Canada
Heavy-duty wood lag screws of aluminum alloy with 1/4-inch (6.35 mm) shank diameter and coarse threads for anchoring into timber. HTS 7616.10.70 applies due to shank and thread diameters exceeding 6 mm, excluding them from wire-defined categories. Commonly used in marine and outdoor applications for corrosion resistance.
Duty Rate — Canada → United States
15.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide thread pitch and shank diameter measurements in commercial invoices to substantiate over-6-mm classification
• Obtain supplier declarations on aluminum content to differentiate from alloyed steel equivalents
• Watch for anti-dumping duties on certain aluminum products; check Commerce scope rulings