Coupler Knuckle from Mexico
The pivoting steel component that actually engages with adjacent couplers to form the connection. Falls under HTS 8607.30.50.00 as a critical coupling device part.
Duty Rate — Mexico → United States
12.6%
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
• AAR Grade E steel, Rockwell C 38-44 hardness range,Critical wear surfaces must meet contour tolerances (±0.015 inches),Include pull test certification (500,000 lbs minimum)