</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Hex Washer Head Self-Tappers #10 from Mexico

#10 (4.8 mm) hex washer head self-tappers combining screw, washer, and hex drive in one. Under HTS 7318.14.10 for <6 mm self-tappers. Used in roofing and outdoor metal applications.

Duty Rate — Mexico → United States

56.2%

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

Confirm integrated washer doesn't exceed diameter threshold

Weatherproof coating specs required for outdoor claims

Invoice must detail head style and washer integration

Hex Washer Head Self-Tappers #10 from Mexico — Import Duty Rate | HTS 7318.14.10