Helical Gearbox Input Shaft from China

This precision-machined steel input shaft transmits rotational power into a helical gearbox, featuring splines for secure meshing with the primary gear. It is classified under HTS 8483.90.50 as a dedicated part of gearing and gearboxes, essential for speed reduction in industrial machinery. Designed for high-torque applications in manufacturing equipment.

Duty Rate — China → United States

37.5%

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 material composition (e.g

alloy steel) and machining tolerances via certified engineering drawings to confirm classification as gearbox parts

Include detailed assembly diagrams showing integration with gears to avoid reclassification as general shafts under 8483.10

Ensure origin certificates for steel components to leverage preferential duty rates under trade agreements