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M10 Aluminum Carriage Bolts from Mexico

Round head carriage bolts in M10 size (10 mm diameter) made from aluminum alloy, featuring square necks for rotational stability in wood or metal joints. Falls under 7616.10.70 for threads and shanks over 6 mm, used in furniture and decking. Aluminum construction provides lightweight corrosion resistance.

Duty Rate — Mexico → United States

15.5%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Import Tips

Include engineering drawings showing shank/thread specs to avoid measurement challenges at entry

Ensure no steel core or plating, as that could reclassify under steel headings

Use HTS lookup tools and binding rulings for high-volume imports to lock in classification