5/8-11 UNC Heavy Hex Cap Screw 8 Inch from Japan
Heavy pattern hex head cap screw 5/8 inch (15.9mm) diameter, 11 TPI UNC, 8 inches long for transmission towers and bridges. Thicker head shank transition. HTS 7318.15.80.66 covers heavy hex cap screw designs over 6mm.
Duty Rate — Japan → United States
58.5%
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
• Heavy hex pattern requires dimension drawings vs standard hex
• Galvanizing specs if coated; declare pre/post-galvanized value
• Bulk container loads need representative sampling protocols