Muntz Metal Marine Propeller Bolt from China

A heavy-duty bolt made from Muntz metal (copper-zinc alloy with approximately 60% copper and 40% zinc), specifically designed for securing marine propellers to boat shafts. It falls under HTS 7415.33.10.00 as a Muntz metal bolt, valued for its corrosion resistance in saltwater environments typical of marine applications.

Duty Rate — China → United States

36.4%

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

Verify alloy composition meets Muntz metal definition (zinc >40%, copper predominant, no more than 1% lead) with mill certificates to avoid reclassification

Include documentation proving maritime end-use if applicable for potential duty reductions under certain trade agreements