Marine Grade Brass Machine Bolts 10-24 from China
10-24 machine bolts in marine-grade C46400 naval brass offer superior strength against seawater corrosion for boat hardware. HTS 7415.33.80 covers these copper alloy 'bolts', with zinc predominant per note (a). Partially threaded design suits through-bolting applications.
Duty Rate — China → United States
38%
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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Reference ASTM B21 standard for naval brass in technical docs
• Declare silicon content if present (<0.1% typical) to confirm brass status
• Galvanic corrosion testing recommended for mixed-metal import validations