7223.00.10.16 - With a diameter of less than 0.25 mm

This HTS category, 7223.00.10.16, specifically classifies round wire made of stainless steel that has a diameter measuring less than 0.25 mm. These are typically very fine wires, often used in specialized applications where precision and minimal material are paramount. Examples include fine filaments for certain types of lighting, medical guidewires, or intricate components in electronics and small machinery.

This classification is distinguished from its siblings by its stringent diameter requirement. While other categories within 7223.00.10.xx also cover stainless steel wire, they apply to wires with larger diameters. For instance, 7223.00.10.31 covers wires with diameters of 0.25 mm or more but less than 0.76 mm, indicating a clear demarcation based on the wire's cross-sectional measurement.

As this node is a leaf node within the HTS structure, it has no further subcategories. Therefore, classification at this level is definitive based on the material being stainless steel, the form being round wire, and critically, the diameter being less than 0.25 mm. Any stainless steel round wire meeting this precise diameter specification will fall under this code.