M6 x 50mm Zinc-Plated Steel Machine Screw from Japan
A cylindrical headed fastener with a uniform external thread, measuring 50mm in length and 6mm in diameter, made from carbon steel with zinc plating for corrosion resistance. It qualifies under HTS 7318.15.4000 as a machine screw exceeding 9.5mm length and 3.2mm diameter, excluding cap screws. Commonly used in machinery assembly for secure threading into tapped holes.
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
• Verify exact dimensions and thread pitch match machine screw specs to avoid reclassification as wood screws under 7318.12
• Include material test certificates proving iron/steel composition and plating type for customs valuation
• Label shipments clearly distinguishing from cap screws to prevent misclassification under 7318.15.20