1/4-20 UNC Double-End Stud from China

A double-ended fully threaded carbon steel stud with 1/4-inch diameter and 20 threads per inch, ideal for mounting applications in construction and HVAC systems. Classified under HTS 7318.15.50 for studs, which are threaded fasteners without heads, distinguishing them from headed bolts.

Duty Rate — China → United States

35%

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 engineering drawings showing full threading to confirm 'stud' status over bolts

Label country of melt and pour for steel origin rules under Section XV notes

Avoid misdeclaration as rivets (7318.23); studs require helical threading