1/4-20 UNC Aluminum Cap Screws from China

Cylindrical head socket cap screws from aluminum alloy with 1/4 inch (6.35 mm) major diameter threads for industrial machinery assembly. HTS 7616.10.70.30 applies as threaded fasteners exceeding 6 mm thread diameter, not qualifying as pure aluminum. Ideal for lightweight, corrosion-resistant fastening.

Duty Rate — China → United States

40.5%

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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

Import Tips

Provide detailed engineering drawings showing thread specs to substantiate >6 mm classification during entry

Label packaging clearly as 'aluminum alloy threaded fasteners' to aid CBP visual inspection

Watch for anti-dumping duties if sourced from certain countries; check Commerce Dept. scopes