8708.30.50.30 - Brake rotors (discs)

This HTS category, 8708.30.50.30, specifically classifies brake rotors, also commonly referred to as brake discs. These components are essential parts of the braking system for motor vehicles and are designed to work in conjunction with brake pads to slow or stop the vehicle. Brake rotors are typically made of cast iron or composite materials and are characterized by their disc shape, featuring a flat surface designed for friction.

To distinguish this category from its siblings, it is important to note that 8708.30.50.20 covers brake drums, which are a different type of braking component that encloses the brake shoes. Similarly, 8708.30.50.40 pertains to mounted brake linings, which are the friction material that presses against the rotor or drum. Category 8708.30.50.90 acts as a residual category for any other braking system parts not specifically enumerated within this heading.

As a leaf node in the HTS structure, this classification does not have further subdivisions. Therefore, classification to this specific code relies on the precise identification of the item as a brake rotor or disc, intended for use as a part or accessory of the motor vehicles enumerated in headings 8701 through 8705. The function and physical characteristics of the component are the primary determinants for classification within this HTS code.