8466.20 - Work holders:

This HTS category, 8466.20, specifically covers "Work holders." These are devices designed to securely grip and position workpieces for processing by machine tools. Work holders are essential components that ensure accuracy and stability during operations such as machining, cutting, grinding, and assembly, thereby facilitating the efficient and precise transformation of raw materials or components into finished goods.

Distinguishing 8466.20 from its siblings, 8466.10.01 covers tool holders and self-opening dieheads, which are designed to hold and control the cutting tool itself, rather than the workpiece. Similarly, 8466.30 encompasses dividing heads and other specialized attachments that perform specific functions like indexing or complex movements, rather than simply securing the material being worked upon. Therefore, 8466.20 is uniquely defined by its function of workpiece stabilization.

Within this category, subcategories exist to further refine classification based on the application. The subheading 8466.20.10 is designated for work holders specifically intended for use with machine tools designed for cutting gears. All other types of work holders not falling under this specialized application are classified under the residual subheading 8466.20.80, ensuring comprehensive coverage for a wide array of work-holding devices.