A354 Grade BD Structural Bolts from Mexico
A354 Grade BD alloy bolts for high-pressure structural joints in refineries and towers, diameter 6 mm+, with heavy nuts for flanged connections. HTS 7318.15.20.30 covers these as structural bolts with accompanying fasteners.
Duty Rate — Mexico → 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 chemical analysis for alloy grades to distinguish from carbon steel classifications
• Ship in sets to maintain 'bolts and their nuts/washers' status
• Monitor Section 232 tariffs on steel articles applicable to structural bolts