8456.40.10.10 - Numerically controlled

This HTS classification, 8456.40.10.10, specifically covers numerically controlled machines designed for working metal by means of a plasma arc process. These machines utilize a high-temperature ionized gas (plasma) to precisely cut, engrave, or shape metallic materials. The "numerically controlled" aspect signifies that their operations are directed by pre-programmed instructions, ensuring high accuracy and repeatability in manufacturing processes. This distinction is crucial as it differentiates them from machines operated manually or by less precise automated systems.

At this level of detail, 8456.40.10.10 distinguishes itself from its sibling category, 8456.40.10.90, which encompasses "Other" plasma arc cutting machines not specifically designated as numerically controlled. Therefore, the primary classification criterion here is the presence and application of numerical control systems for metalworking operations. This ensures that machines with sophisticated digital command capabilities are accurately categorized, facilitating appropriate duty assessment and trade facilitation.

As this node is a leaf node within the HTS structure, there are no further subcategories to introduce. Classification terminates at this point, meaning that once a machine is identified as numerically controlled and operating on metal via a plasma arc process, it falls squarely under this specific code. Examples of machinery falling under this heading would include advanced plasma cutting tables used in fabrication shops, aerospace manufacturing, and automotive production, where precision and automation are paramount for working with various metals.