1/4-20 UNC Stainless Steel Flange Nut from Mexico
A wide-base flange nut in 316 stainless steel with 1/4-20 UNC threading, ideal for automotive and plumbing fixtures requiring extra bearing surface. Classified under HTS 7318.16.00.60 for stainless steel threaded nuts.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Label flange nuts separately from bolts in shipments to avoid set classification pitfalls
• Include ANSI B18.2.2 certification for UNC threading to support tariff verification
• Watch for anti-dumping duties on certain stainless origins like China or Taiwan