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

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 — Japan → United States

50%

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 already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(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