Brass Compression Fittings for PEX Tubing from Mexico
These brass compression fittings connect PEX tubing in plumbing systems, featuring a copper-zinc alloy body designed for water supply lines. Classified under HTS 7419.20.00.10 as cast or forged brass plumbing goods not further worked elsewhere. They meet brass alloy definitions with zinc predominant over other elements.
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
• Verify alloy composition meets US brass standards (zinc > other elements, Ni <5%, Sn <3%) with mill test certificates
• Include plumbing end-use documentation to avoid reclassification as general copper fittings
• Watch for lead-free compliance under Safe Drinking Water Act for potable water applications